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My code solutions for competitive programming questions on AtCoder

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.gitignore
.gitignore
 
 
A-202<s>3_<\s>.cpp
A-202<s>3_<\s>.cpp
 
 
A-3.14.cpp
A-3.14.cpp
 
 
A-369.cpp
A-369.cpp
 
 
A-A_Recursive_Function.cpp
A-A_Recursive_Function.cpp
 
 
A-A_Unique_Letter.cpp
A-A_Unique_Letter.cpp
 
 
A-Arithmetic_Progression.cpp
A-Arithmetic_Progression.cpp
 
 
A-Buildings.cpp
A-Buildings.cpp
 
 
A-Candy_Button.cpp
A-Candy_Button.cpp
 
 
A-Capitalized.cpp
A-Capitalized.cpp
 
 
A-Colorful_Subsequence.cpp
A-Colorful_Subsequence.cpp
 
 
A-Counting_Passes.cpp
A-Counting_Passes.cpp
 
 
A-Cut.cpp
A-Cut.cpp
 
 
A-Election_2.cpp
A-Election_2.cpp
 
 
A-Exchange.cpp
A-Exchange.cpp
 
 
A-Frog_1.cpp
A-Frog_1.cpp
 
 
A-Full_Moon.cpp
A-Full_Moon.cpp
 
 
A-Glutton_Takahashi.cpp
A-Glutton_Takahashi.cpp
 
 
A-Leap_Year.cpp
A-Leap_Year.cpp
 
 
A-Legendary_Players.cpp
A-Legendary_Players.cpp
 
 
A-N_choice_question.cpp
A-N_choice_question.cpp
 
 
A-Online_Shopping.cpp
A-Online_Shopping.cpp
 
 
A-Overall_Winner.cpp
A-Overall_Winner.cpp
 
 
A-Piling_Up.cpp
A-Piling_Up.cpp
 
 
A-Rearranging_ABC.cpp
A-Rearranging_ABC.cpp
 
 
A-Scoreboard.cpp
A-Scoreboard.cpp
 
 
A-Seats.cpp
A-Seats.cpp
 
 
A-Shift.cpp
A-Shift.cpp
 
 
A-Shout_Everyday.cpp
A-Shout_Everyday.cpp
 
 
A-Shrinking.cpp
A-Shrinking.cpp
 
 
A-TLD.cpp
A-TLD.cpp
 
 
A-Three_Threes.cpp
A-Three_Threes.cpp
 
 
A-Tomorrow.cpp
A-Tomorrow.cpp
 
 
A-Two_Abbreviations.cpp
A-Two_Abbreviations.cpp
 
 
A-Water_Station.cpp
A-Water_Station.cpp
 
 
A-Weekly_Records.cpp
A-Weekly_Records.cpp
 
 
A-Wrong_Answer.cpp
A-Wrong_Answer.cpp
 
 
A-積雪深差.cpp
A-積雪深差.cpp
 
 
B-AtCoder_Amusement_Park.cpp
B-AtCoder_Amusement_Park.cpp
 
 
B-Avoid_Rook_Attack.cpp
B-Avoid_Rook_Attack.cpp
 
 
B-Better_Students_Are_Needed.cpp
B-Better_Students_Are_Needed.cpp
 
 
B-Boxes.cpp
B-Boxes.cpp
 
 
B-Broken_Rounding.cpp
B-Broken_Rounding.cpp
 
 
B-Buy_One_Carton_of_Milk.cpp
B-Buy_One_Carton_of_Milk.cpp
 
 
B-Cut_.0.cpp
B-Cut_.0.cpp
 
 
B-Decrease_2_max_elements.cpp
B-Decrease_2_max_elements.cpp
 
 
B-Frog_2.cpp
B-Frog_2.cpp
 
 
B-Glass_and_Mug.cpp
B-Glass_and_Mug.cpp
 
 
B-Grid_Walk.cpp
B-Grid_Walk.cpp
 
 
B-Hands_on_Ring_(Easy).cpp
B-Hands_on_Ring_(Easy).cpp
 
 
B-Japanese_Cursed_Doll.cpp
B-Japanese_Cursed_Doll.cpp
 
 
B-Measure.cpp
B-Measure.cpp
 
 
B-Minimize_Abs_1.cpp
B-Minimize_Abs_1.cpp
 
 
B-Misjudge_the_Time.cpp
B-Misjudge_the_Time.cpp
 
 
B-Overlapping_sheets.cpp
B-Overlapping_sheets.cpp
 
 
B-Pentagon.cpp
B-Pentagon.cpp
 
 
B-Piano_3.cpp
B-Piano_3.cpp
 
 
B-Puzzle_of_Lamps.cpp
B-Puzzle_of_Lamps.cpp
 
 
B-Reverse_and_Compare.cpp
B-Reverse_and_Compare.cpp
 
 
B-Second_Best.cpp
B-Second_Best.cpp
 
 
B-Traveling_Takahashi_Problem.cpp
B-Traveling_Takahashi_Problem.cpp
 
 
B-Vertical_Writing.cpp
B-Vertical_Writing.cpp
 
 
B-racecar.cpp
B-racecar.cpp
 
 
BA383-Humidifier_1.cpp
BA383-Humidifier_1.cpp
 
 
BA384-aaaadaa.cpp
BA384-aaaadaa.cpp
 
 
BA385-Equally.cpp
BA385-Equally.cpp
 
 
BA386-Full_House_2.cpp
BA386-Full_House_2.cpp
 
 
BA387-Happy_New_Year_2025.cpp
BA387-Happy_New_Year_2025.cpp
 
 
BA388-?UPC.cpp
BA388-?UPC.cpp
 
 
BA389-9x9.cpp
BA389-9x9.cpp
 
 
BA390-12345.cpp
BA390-12345.cpp
 
 
BA391-Lucky_Direction.cpp
BA391-Lucky_Direction.cpp
 
 
BA392-Shuffled_Equation.cpp
BA392-Shuffled_Equation.cpp
 
 
BA394-22222.cpp
BA394-22222.cpp
 
 
BB383-Humidifier_2.cpp
BB383-Humidifier_2.cpp
 
 
BB384-ARC_Division.cpp
BB384-ARC_Division.cpp
 
 
BB385-Santa_Claus_1.cpp
BB385-Santa_Claus_1.cpp
 
 
BB386-Calculator.cpp
BB386-Calculator.cpp
 
 
BB387-9x9_Sum.cpp
BB387-9x9_Sum.cpp
 
 
BB388-Heavy_Snake.cpp
BB388-Heavy_Snake.cpp
 
 
BB389-tcaF.cpp
BB389-tcaF.cpp
 
 
BB390-Geometric_Sequence.cpp
BB390-Geometric_Sequence.cpp
 
 
BB391-Seek_Grid.cpp
BB391-Seek_Grid.cpp
 
 
BB392-Who_is_Missing?.cpp
BB392-Who_is_Missing?.cpp
 
 
BC383-Humidifier_3.cpp
BC383-Humidifier_3.cpp
 
 
BC384-Perfect_Standings.cpp
BC384-Perfect_Standings.cpp
 
 
BC385-Illuminate_Buildings.cpp
BC385-Illuminate_Buildings.cpp
 
 
BC386-Operate_1.cpp
BC386-Operate_1.cpp
 
 
BC387-Snake_Numbers.cpp
BC387-Snake_Numbers.cpp
 
 
BC388-Various_Kagamimochi.cpp
BC388-Various_Kagamimochi.cpp
 
 
BC389-Snake_Queue.cpp
BC389-Snake_Queue.cpp
 
 
BC390-Paint_to_make_a_rectangle.cpp
BC390-Paint_to_make_a_rectangle.cpp
 
 
BC391-Pigeonhole_Query.cpp
BC391-Pigeonhole_Query.cpp
 
 
BC392-Bib.cpp
BC392-Bib.cpp
 
 
BD383-9_Divisors.cpp
BD383-9_Divisors.cpp
 
 
BD384-Repeated_Sequence.cpp
BD384-Repeated_Sequence.cpp
 
 
BD386-Diagonal_Separation.cpp
BD386-Diagonal_Separation.cpp
 
 
BD388-Coming_of_Age_Celebration.cpp
BD388-Coming_of_Age_Celebration.cpp
 
 
BD391-Gravity.cpp
BD391-Gravity.cpp
 
 
BD392-Doubles.cpp
BD392-Doubles.cpp
 
 

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Atcoder Solutions

Overview

This repository contains my solutions to various competitive programming problems from AtCoder. These solutions are meant for educational purposes and to share different approaches to solving complex programming challenges.

Repository Structure

  • /: Contains categorized files based on the type of problem or the event in which the problem was featured.

Languages Used

  • Python
  • C++

Contributing

While these solutions are primarily for my personal learning and reference, contributions in the form of problem solutions, improved explanations, or fixes are welcome. Please follow these steps to contribute:

  1. Fork the repository.
  2. Create a new branch (git checkout -b feature-branch).
  3. Make your changes and commit (git commit -am 'Add some feature').
  4. Push to the branch (git push origin feature-branch).
  5. Create a new Pull Request.

Contact

Acknowledgments

Special thanks to AtCoder for providing a platform to practice and improve coding skills.

Disclaimer: The solutions provided here are for learning purposes. Please do not use them to cheat or violate the coding platform's policies.

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My code solutions for competitive programming questions on AtCoder

atcoder.jp/

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competitive-programming informatics-olympiad

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