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TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/knight_tour.py
backtracking/knight_tour.py
# Knight Tour Intro: https://www.youtube.com/watch?v=ab_dY3dZFHM from __future__ import annotations def get_valid_pos(position: tuple[int, int], n: int) -> list[tuple[int, int]]: """ Find all the valid positions a knight can move to from the current position. >>> get_valid_pos((1, 3), 4) [(2, 1), (0...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/word_break.py
backtracking/word_break.py
""" Word Break Problem is a well-known problem in computer science. Given a string and a dictionary of words, the task is to determine if the string can be segmented into a sequence of one or more dictionary words. Wikipedia: https://en.wikipedia.org/wiki/Word_break_problem """ def backtrack(input_string: str, word_...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/hamiltonian_cycle.py
backtracking/hamiltonian_cycle.py
""" A Hamiltonian cycle (Hamiltonian circuit) is a graph cycle through a graph that visits each node exactly once. Determining whether such paths and cycles exist in graphs is the 'Hamiltonian path problem', which is NP-complete. Wikipedia: https://en.wikipedia.org/wiki/Hamiltonian_path """ def valid_connection( ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/crossword_puzzle_solver.py
backtracking/crossword_puzzle_solver.py
# https://www.geeksforgeeks.org/solve-crossword-puzzle/ def is_valid( puzzle: list[list[str]], word: str, row: int, col: int, vertical: bool ) -> bool: """ Check if a word can be placed at the given position. >>> puzzle = [ ... ['', '', '', ''], ... ['', '', '', ''], ... ['', ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/n_queens.py
backtracking/n_queens.py
""" The nqueens problem is of placing N queens on a N * N chess board such that no queen can attack any other queens placed on that chess board. This means that one queen cannot have any other queen on its horizontal, vertical and diagonal lines. """ from __future__ import annotations solution = [] def is_safe(bo...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/all_permutations.py
backtracking/all_permutations.py
""" In this problem, we want to determine all possible permutations of the given sequence. We use backtracking to solve this problem. Time complexity: O(n! * n), where n denotes the length of the given sequence. """ from __future__ import annotations def generate_all_permutations(sequence: list[int | str]) -> None:...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/generate_parentheses_iterative.py
backtracking/generate_parentheses_iterative.py
def generate_parentheses_iterative(length: int) -> list: """ Generate all valid combinations of parentheses (Iterative Approach). The algorithm works as follows: 1. Initialize an empty list to store the combinations. 2. Initialize a stack to keep track of partial combinations. 3. Start with emp...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/rat_in_maze.py
backtracking/rat_in_maze.py
from __future__ import annotations def solve_maze( maze: list[list[int]], source_row: int, source_column: int, destination_row: int, destination_column: int, ) -> list[list[int]]: """ This method solves the "rat in maze" problem. Parameters : - maze: A two dimensional matrix of...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/n_queens_math.py
backtracking/n_queens_math.py
r""" Problem: The n queens problem is: placing N queens on a N * N chess board such that no queen can attack any other queens placed on that chess board. This means that one queen cannot have any other queen on its horizontal, vertical and diagonal lines. Solution: To solve this problem we will use simple math. Fir...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/sum_of_subsets.py
backtracking/sum_of_subsets.py
""" The sum-of-subsets problem states that a set of non-negative integers, and a value M, determine all possible subsets of the given set whose summation sum equal to given M. Summation of the chosen numbers must be equal to given number M and one number can be used only once. """ def generate_sum_of_subsets_solutio...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/word_search.py
backtracking/word_search.py
""" Author : Alexander Pantyukhin Date : November 24, 2022 Task: Given an m x n grid of characters board and a string word, return true if word exists in the grid. The word can be constructed from letters of sequentially adjacent cells, where adjacent cells are horizontally or vertically neighboring. The same let...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/match_word_pattern.py
backtracking/match_word_pattern.py
def match_word_pattern(pattern: str, input_string: str) -> bool: """ Determine if a given pattern matches a string using backtracking. pattern: The pattern to match. input_string: The string to match against the pattern. return: True if the pattern matches the string, False otherwise. >>> matc...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/all_subsequences.py
backtracking/all_subsequences.py
""" In this problem, we want to determine all possible subsequences of the given sequence. We use backtracking to solve this problem. Time complexity: O(2^n), where n denotes the length of the given sequence. """ from __future__ import annotations from typing import Any def generate_all_subsequences(sequence: list...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/minimax.py
backtracking/minimax.py
""" Minimax helps to achieve maximum score in a game by checking all possible moves depth is current depth in game tree. nodeIndex is index of current node in scores[]. if move is of maximizer return true else false leaves of game tree is stored in scores[] height is maximum height of Game tree """ from __future__ im...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/all_combinations.py
backtracking/all_combinations.py
""" In this problem, we want to determine all possible combinations of k numbers out of 1 ... n. We use backtracking to solve this problem. Time complexity: O(C(n,k)) which is O(n choose k) = O((n!/(k! * (n - k)!))), """ from __future__ import annotations from itertools import combinations def combination_lists(n:...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/coloring.py
backtracking/coloring.py
""" Graph Coloring also called "m coloring problem" consists of coloring a given graph with at most m colors such that no adjacent vertices are assigned the same color Wikipedia: https://en.wikipedia.org/wiki/Graph_coloring """ def valid_coloring( neighbours: list[int], colored_vertices: list[int], color: int ) ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/word_ladder.py
backtracking/word_ladder.py
""" Word Ladder is a classic problem in computer science. The problem is to transform a start word into an end word by changing one letter at a time. Each intermediate word must be a valid word from a given list of words. The goal is to find a transformation sequence from the start word to the end word. Wikipedia: htt...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/__init__.py
backtracking/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/power_sum.py
backtracking/power_sum.py
""" Problem source: https://www.hackerrank.com/challenges/the-power-sum/problem Find the number of ways that a given integer X, can be expressed as the sum of the Nth powers of unique, natural numbers. For example, if X=13 and N=2. We have to find all combinations of unique squares adding up to 13. The only solution is...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/combination_sum.py
backtracking/combination_sum.py
""" In the Combination Sum problem, we are given a list consisting of distinct integers. We need to find all the combinations whose sum equals to target given. We can use an element more than one. Time complexity(Average Case): O(n!) Constraints: 1 <= candidates.length <= 30 2 <= candidates[i] <= 40 All elements of c...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/generate_parentheses.py
backtracking/generate_parentheses.py
""" author: Aayush Soni Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. Input: n = 2 Output: ["(())","()()"] Leetcode link: https://leetcode.com/problems/generate-parentheses/description/ """ def backtrack( partial: str, open_count: int, close_count: int, n:...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/backtracking/sudoku.py
backtracking/sudoku.py
""" Given a partially filled 9x9 2D array, the objective is to fill a 9x9 square grid with digits numbered 1 to 9, so that every row, column, and and each of the nine 3x3 sub-grids contains all of the digits. This can be solved using Backtracking and is similar to n-queens. We check to see if a cell is safe or not and...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/scripts/build_directory_md.py
scripts/build_directory_md.py
#!/usr/bin/env python3 import os from collections.abc import Iterator def good_file_paths(top_dir: str = ".") -> Iterator[str]: for dir_path, dir_names, filenames in os.walk(top_dir): dir_names[:] = [ d for d in dir_names if d != "scripts" and d[0] not in "._" and "ven...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/scripts/validate_filenames.py
scripts/validate_filenames.py
#!/usr/bin/env python3 import os try: from .build_directory_md import good_file_paths except ImportError: from build_directory_md import good_file_paths # type: ignore[no-redef] filepaths = list(good_file_paths()) assert filepaths, "good_file_paths() failed!" if upper_files := [file for file in filepaths i...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/scripts/validate_solutions.py
scripts/validate_solutions.py
#!/usr/bin/env python3 # /// script # requires-python = ">=3.13" # dependencies = [ # "httpx", # "pytest", # ] # /// import hashlib import importlib.util import json import os import pathlib from types import ModuleType import httpx import pytest PROJECT_EULER_DIR_PATH = pathlib.Path.cwd().joinpath("project...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/scripts/__init__.py
scripts/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/center_of_mass.py
physics/center_of_mass.py
""" Calculating the center of mass for a discrete system of particles, given their positions and masses. Description: In physics, the center of mass of a distribution of mass in space (sometimes referred to as the barycenter or balance point) is the unique point at any given time where the weighted relative position ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/speed_of_sound.py
physics/speed_of_sound.py
""" Title : Calculating the speed of sound Description : The speed of sound (c) is the speed that a sound wave travels per unit time (m/s). During propagation, the sound wave propagates through an elastic medium. Sound propagates as longitudinal waves in liquids and gases and as transverse waves in so...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/doppler_frequency.py
physics/doppler_frequency.py
""" Doppler's effect The Doppler effect (also Doppler shift) is the change in the frequency of a wave in relation to an observer who is moving relative to the source of the wave. The Doppler effect is named after the physicist Christian Doppler. A common example of Doppler shift is the change of pitch heard when a v...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/orbital_transfer_work.py
physics/orbital_transfer_work.py
def orbital_transfer_work( mass_central: float, mass_object: float, r_initial: float, r_final: float ) -> str: """ Calculates the work required to move an object from one orbit to another in a gravitational field based on the change in total mechanical energy. The formula used is: W = (G * ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/rms_speed_of_molecule.py
physics/rms_speed_of_molecule.py
""" The root-mean-square speed is essential in measuring the average speed of particles contained in a gas, defined as, ----------------- | Vrms = √3RT/M | ----------------- In Kinetic Molecular Theory, gasified particles are in a condition of constant random motion; each particle moves at a completely different pa...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/period_of_pendulum.py
physics/period_of_pendulum.py
""" Title : Computing the time period of a simple pendulum The simple pendulum is a mechanical system that sways or moves in an oscillatory motion. The simple pendulum comprises of a small bob of mass m suspended by a thin string of length L and secured to a platform at its upper end. Its motion occurs in a vertical p...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/rainfall_intensity.py
physics/rainfall_intensity.py
""" Rainfall Intensity ================== This module contains functions to calculate the intensity of a rainfall event for a given duration and return period. This function uses the Sherman intensity-duration-frequency curve. References ---------- - Aparicio, F. (1997): Fundamentos de Hidrología de Superficie. B...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/ideal_gas_law.py
physics/ideal_gas_law.py
""" The ideal gas law, also called the general gas equation, is the equation of state of a hypothetical ideal gas. It is a good approximation of the behavior of many gases under many conditions, although it has several limitations. It was first stated by Benoît Paul Émile Clapeyron in 1834 as a combination of the empir...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/shear_stress.py
physics/shear_stress.py
from __future__ import annotations """ Shear stress is a component of stress that is coplanar to the material cross-section. It arises due to a shear force, the component of the force vector parallel to the material cross-section. https://en.wikipedia.org/wiki/Shear_stress """ def shear_stress( stress: float, ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/archimedes_principle_of_buoyant_force.py
physics/archimedes_principle_of_buoyant_force.py
""" Calculate the buoyant force of any body completely or partially submerged in a static fluid. This principle was discovered by the Greek mathematician Archimedes. Equation for calculating buoyant force: Fb = p * V * g https://en.wikipedia.org/wiki/Archimedes%27_principle """ # Acceleration Constant on Earth (uni...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/grahams_law.py
physics/grahams_law.py
""" Title: Graham's Law of Effusion Description: Graham's law of effusion states that the rate of effusion of a gas is inversely proportional to the square root of the molar mass of its particles: r1/r2 = sqrt(m2/m1) r1 = Rate of effusion for the first gas. r2 = Rate of effusion for the second gas. m1 = Molar mass o...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/newtons_law_of_gravitation.py
physics/newtons_law_of_gravitation.py
""" Title : Finding the value of either Gravitational Force, one of the masses or distance provided that the other three parameters are given. Description : Newton's Law of Universal Gravitation explains the presence of force of attraction between bodies having a definite mass situated at a distance. It is usually sta...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/lorentz_transformation_four_vector.py
physics/lorentz_transformation_four_vector.py
""" Lorentz transformations describe the transition between two inertial reference frames F and F', each of which is moving in some direction with respect to the other. This code only calculates Lorentz transformations for movement in the x direction with no spatial rotation (i.e., a Lorentz boost in the x direction). ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/terminal_velocity.py
physics/terminal_velocity.py
""" Title : Computing the terminal velocity of an object falling through a fluid. Terminal velocity is defined as the highest velocity attained by an object falling through a fluid. It is observed when the sum of drag force and buoyancy is equal to the downward gravity force acting on the object. The accelerat...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/newtons_second_law_of_motion.py
physics/newtons_second_law_of_motion.py
r""" Description: Newton's second law of motion pertains to the behavior of objects for which all existing forces are not balanced. The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object. The accelera...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/n_body_simulation.py
physics/n_body_simulation.py
""" In physics and astronomy, a gravitational N-body simulation is a simulation of a dynamical system of particles under the influence of gravity. The system consists of a number of bodies, each of which exerts a gravitational force on all other bodies. These forces are calculated using Newton's law of universal gravit...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/mirror_formulae.py
physics/mirror_formulae.py
""" This module contains the functions to calculate the focal length, object distance and image distance of a mirror. The mirror formula is an equation that relates the object distance (u), image distance (v), and focal length (f) of a spherical mirror. It is commonly used in optics to determine the position and chara...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/casimir_effect.py
physics/casimir_effect.py
""" Title : Finding the value of magnitude of either the Casimir force, the surface area of one of the plates or distance between the plates provided that the other two parameters are given. Description : In quantum field theory, the Casimir effect is a physical force acting on the macroscopic boundaries of a confined...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/altitude_pressure.py
physics/altitude_pressure.py
""" Title : Calculate altitude using Pressure Description : The below algorithm approximates the altitude using Barometric formula """ def get_altitude_at_pressure(pressure: float) -> float: """ This method calculates the altitude from Pressure wrt to Sea level pressure as reference .Pressure is in...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/reynolds_number.py
physics/reynolds_number.py
""" Title : computing the Reynolds number to find out the type of flow (laminar or turbulent) Reynolds number is a dimensionless quantity that is used to determine the type of flow pattern as laminar or turbulent while flowing through a pipe. Reynolds number is defined by the ratio of inertial forces to that o...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/kinetic_energy.py
physics/kinetic_energy.py
""" Find the kinetic energy of an object, given its mass and velocity. Description : In physics, the kinetic energy of an object is the energy that it possesses due to its motion.It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity.Having gained this energy during its ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/potential_energy.py
physics/potential_energy.py
from scipy.constants import g """ Finding the gravitational potential energy of an object with reference to the earth,by taking its mass and height above the ground as input Description : Gravitational energy or gravitational potential energy is the potential energy a massive object has in relation to another massiv...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/malus_law.py
physics/malus_law.py
import math """ Finding the intensity of light transmitted through a polariser using Malus Law and by taking initial intensity and angle between polariser and axis as input Description : Malus's law, which is named after Étienne-Louis Malus, says that when a perfect polarizer is placed in a polarized beam of light, t...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/__init__.py
physics/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/photoelectric_effect.py
physics/photoelectric_effect.py
""" The photoelectric effect is the emission of electrons when electromagnetic radiation , such as light, hits a material. Electrons emitted in this manner are called photoelectrons. In 1905, Einstein proposed a theory of the photoelectric effect using a concept that light consists of tiny packets of energy known as p...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/horizontal_projectile_motion.py
physics/horizontal_projectile_motion.py
""" Horizontal Projectile Motion problem in physics. This algorithm solves a specific problem in which the motion starts from the ground as can be seen below:: (v = 0) * * * * * * * * * ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/in_static_equilibrium.py
physics/in_static_equilibrium.py
""" Checks if a system of forces is in static equilibrium. """ from __future__ import annotations from numpy import array, cos, cross, float64, radians, sin from numpy.typing import NDArray def polar_force( magnitude: float, angle: float, radian_mode: bool = False ) -> list[float]: """ Resolves force al...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/basic_orbital_capture.py
physics/basic_orbital_capture.py
""" These two functions will return the radii of impact for a target object of mass M and radius R as well as it's effective cross sectional area sigma. That is to say any projectile with velocity v passing within sigma, will impact the target object with mass M. The derivation of which is given at the bottom of this f...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/lens_formulae.py
physics/lens_formulae.py
""" This module has functions which calculate focal length of lens, distance of image from the lens and distance of object from the lens. The above is calculated using the lens formula. In optics, the relationship between the distance of the image (v), the distance of the object (u), and the focal length (f) of the le...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/escape_velocity.py
physics/escape_velocity.py
import math def escape_velocity(mass: float, radius: float) -> float: """ Calculates the escape velocity needed to break free from a celestial body's gravitational field. The formula used is: v = sqrt(2 * G * M / R) where: v = escape velocity (m/s) G = gravitational const...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/speeds_of_gas_molecules.py
physics/speeds_of_gas_molecules.py
""" The root-mean-square, average and most probable speeds of gas molecules are derived from the Maxwell-Boltzmann distribution. The Maxwell-Boltzmann distribution is a probability distribution that describes the distribution of speeds of particles in an ideal gas. The distribution is given by the following equation::...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/coulombs_law.py
physics/coulombs_law.py
""" Coulomb's law states that the magnitude of the electrostatic force of attraction or repulsion between two point charges is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them. F = k * q1 * q2 / r^2 k is Coulomb's constant and equa...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/hubble_parameter.py
physics/hubble_parameter.py
""" Title : Calculating the Hubble Parameter Description : The Hubble parameter H is the Universe expansion rate in any time. In cosmology is customary to use the redshift redshift in place of time, becausethe redshift is directily mensure in the light of galaxies moving away from us. So, the general relation that we...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/mass_energy_equivalence.py
physics/mass_energy_equivalence.py
""" Title: Finding the energy equivalence of mass and mass equivalence of energy by Einstein's equation. Description: Einstein's mass-energy equivalence is a pivotal concept in theoretical physics. It asserts that energy (E) and mass (m) are directly related by the speed of light in vacuum (c) squared, as described in...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/centripetal_force.py
physics/centripetal_force.py
""" Description : Centripetal force is the force acting on an object in curvilinear motion directed towards the axis of rotation or centre of curvature. The unit of centripetal force is newton. The centripetal force is always directed perpendicular to the direction of the object's displacement. Using Newton's second ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/physics/image_data/__init__.py
physics/image_data/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/blockchain/diophantine_equation.py
blockchain/diophantine_equation.py
from __future__ import annotations from maths.greatest_common_divisor import greatest_common_divisor def diophantine(a: int, b: int, c: int) -> tuple[float, float]: """ Diophantine Equation : Given integers a,b,c ( at least one of a and b != 0), the diophantine equation a*x + b*y = c has a solution (wher...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/blockchain/__init__.py
blockchain/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/__init__.py
project_euler/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_191/sol1.py
project_euler/problem_191/sol1.py
""" Prize Strings Problem 191 A particular school offers cash rewards to children with good attendance and punctuality. If they are absent for three consecutive days or late on more than one occasion then they forfeit their prize. During an n-day period a trinary string is formed for each child consisting of L's (lat...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_191/__init__.py
project_euler/problem_191/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_686/sol1.py
project_euler/problem_686/sol1.py
""" Project Euler Problem 686: https://projecteuler.net/problem=686 2^7 = 128 is the first power of two whose leading digits are "12". The next power of two whose leading digits are "12" is 2^80. Define p(L,n) to be the nth-smallest value of j such that the base 10 representation of 2^j begins with the digits of L. ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_686/__init__.py
project_euler/problem_686/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_002/sol2.py
project_euler/problem_002/sol2.py
""" Project Euler Problem 2: https://projecteuler.net/problem=2 Even Fibonacci Numbers Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... By considering the terms in the Fibonacci sequenc...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_002/sol4.py
project_euler/problem_002/sol4.py
""" Project Euler Problem 2: https://projecteuler.net/problem=2 Even Fibonacci Numbers Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... By considering the terms in the Fibonacci sequenc...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_002/sol3.py
project_euler/problem_002/sol3.py
""" Project Euler Problem 2: https://projecteuler.net/problem=2 Even Fibonacci Numbers Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... By considering the terms in the Fibonacci sequenc...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_002/sol5.py
project_euler/problem_002/sol5.py
""" Project Euler Problem 2: https://projecteuler.net/problem=2 Even Fibonacci Numbers Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... By considering the terms in the Fibonacci sequenc...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_002/sol1.py
project_euler/problem_002/sol1.py
""" Project Euler Problem 2: https://projecteuler.net/problem=2 Even Fibonacci Numbers Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... By considering the terms in the Fibonacci sequenc...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_002/__init__.py
project_euler/problem_002/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_116/sol1.py
project_euler/problem_116/sol1.py
""" Project Euler Problem 116: https://projecteuler.net/problem=116 A row of five grey square tiles is to have a number of its tiles replaced with coloured oblong tiles chosen from red (length two), green (length three), or blue (length four). If red tiles are chosen there are exactly seven ways this can be done. ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_116/__init__.py
project_euler/problem_116/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_493/sol1.py
project_euler/problem_493/sol1.py
""" Project Euler Problem 493: https://projecteuler.net/problem=493 70 coloured balls are placed in an urn, 10 for each of the seven rainbow colours. What is the expected number of distinct colours in 20 randomly picked balls? Give your answer with nine digits after the decimal point (a.bcdefghij). ----- This combin...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_493/__init__.py
project_euler/problem_493/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_025/sol2.py
project_euler/problem_025/sol2.py
""" The Fibonacci sequence is defined by the recurrence relation: Fn = Fn-1 + Fn-2, where F1 = 1 and F2 = 1. Hence the first 12 terms will be: F1 = 1 F2 = 1 F3 = 2 F4 = 3 F5 = 5 F6 = 8 F7 = 13 F8 = 21 F9 = 34 F10 = 55 F11 = 89 F12 = 144 The 12th term, F12, is the ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_025/sol3.py
project_euler/problem_025/sol3.py
""" The Fibonacci sequence is defined by the recurrence relation: Fn = Fn-1 + Fn-2, where F1 = 1 and F2 = 1. Hence the first 12 terms will be: F1 = 1 F2 = 1 F3 = 2 F4 = 3 F5 = 5 F6 = 8 F7 = 13 F8 = 21 F9 = 34 F10 = 55 F11 = 89 F12 = 144 The 12th term, F12, is the ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_025/sol1.py
project_euler/problem_025/sol1.py
""" The Fibonacci sequence is defined by the recurrence relation: Fn = Fn-1 + Fn-2, where F1 = 1 and F2 = 1. Hence the first 12 terms will be: F1 = 1 F2 = 1 F3 = 2 F4 = 3 F5 = 5 F6 = 8 F7 = 13 F8 = 21 F9 = 34 F10 = 55 F11 = 89 F12 = 144 The 12th term, F12, is the ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_025/__init__.py
project_euler/problem_025/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_017/sol1.py
project_euler/problem_017/sol1.py
""" Number letter counts Problem 17: https://projecteuler.net/problem=17 If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3 + 3 + 5 + 4 + 4 = 19 letters used in total. If all the numbers from 1 to 1000 (one thousand) inclusive were written out in words, how many letters woul...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_017/__init__.py
project_euler/problem_017/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_044/sol1.py
project_euler/problem_044/sol1.py
""" Problem 44: https://projecteuler.net/problem=44 Pentagonal numbers are generated by the formula, Pn=n(3n-1)/2. The first ten pentagonal numbers are: 1, 5, 12, 22, 35, 51, 70, 92, 117, 145, ... It can be seen that P4 + P7 = 22 + 70 = 92 = P8. However, their difference, 70 - 22 = 48, is not pentagonal. Find the pai...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_044/__init__.py
project_euler/problem_044/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_079/sol1.py
project_euler/problem_079/sol1.py
""" Project Euler Problem 79: https://projecteuler.net/problem=79 Passcode derivation A common security method used for online banking is to ask the user for three random characters from a passcode. For example, if the passcode was 531278, they may ask for the 2nd, 3rd, and 5th characters; the expected reply would be...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_079/__init__.py
project_euler/problem_079/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_085/sol1.py
project_euler/problem_085/sol1.py
""" Project Euler Problem 85: https://projecteuler.net/problem=85 By counting carefully it can be seen that a rectangular grid measuring 3 by 2 contains eighteen rectangles.  Although there exists no rectangular grid that contains exactly two million rectangles, find the area of the grid with the nearest solution. S...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_085/__init__.py
project_euler/problem_085/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_001/sol2.py
project_euler/problem_001/sol2.py
""" Project Euler Problem 1: https://projecteuler.net/problem=1 Multiples of 3 and 5 If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. """ def solution(n: int = 1000) -> int: ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_001/sol4.py
project_euler/problem_001/sol4.py
""" Project Euler Problem 1: https://projecteuler.net/problem=1 Multiples of 3 and 5 If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. """ def solution(n: int = 1000) -> int: ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_001/sol3.py
project_euler/problem_001/sol3.py
""" Project Euler Problem 1: https://projecteuler.net/problem=1 Multiples of 3 and 5 If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. """ def solution(n: int = 1000) -> int: ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_001/sol5.py
project_euler/problem_001/sol5.py
""" Project Euler Problem 1: https://projecteuler.net/problem=1 Multiples of 3 and 5 If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. """ def solution(n: int = 1000) -> int: ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_001/sol1.py
project_euler/problem_001/sol1.py
""" Project Euler Problem 1: https://projecteuler.net/problem=1 Multiples of 3 and 5 If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. """ def solution(n: int = 1000) -> int: ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_001/sol6.py
project_euler/problem_001/sol6.py
""" Project Euler Problem 1: https://projecteuler.net/problem=1 Multiples of 3 and 5 If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. """ def solution(n: int = 1000) -> int: ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_001/__init__.py
project_euler/problem_001/__init__.py
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_001/sol7.py
project_euler/problem_001/sol7.py
""" Project Euler Problem 1: https://projecteuler.net/problem=1 Multiples of 3 and 5 If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. """ def solution(n: int = 1000) -> int: ...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false
TheAlgorithms/Python
https://github.com/TheAlgorithms/Python/blob/2c15b8c54eb8130e83640fe1d911c10eb6cd70d4/project_euler/problem_121/sol1.py
project_euler/problem_121/sol1.py
""" A bag contains one red disc and one blue disc. In a game of chance a player takes a disc at random and its colour is noted. After each turn the disc is returned to the bag, an extra red disc is added, and another disc is taken at random. The player pays £1 to play and wins if they have taken more blue discs than r...
python
MIT
2c15b8c54eb8130e83640fe1d911c10eb6cd70d4
2026-01-04T14:38:15.231112Z
false