1 |
P1 - Five Dimensional Points |
Codeforces |
Codeforces Round #432 (Div. 1, based on IndiaHacks Final Round 2017) & Codeforces Round #432 (Div. 2, based on IndiaHacks Final Round 2017) |

2 |
P2 - Arpa and a list of numbers |
Codeforces |
Codeforces Round #432 (Div. 1, based on IndiaHacks Final Round 2017) & Codeforces Round #432 (Div. 2, based on IndiaHacks Final Round 2017) |

3 |
P3 - Arpa and a game with Mojtaba |
Codeforces |
Codeforces Round #432 (Div. 1, based on IndiaHacks Final Round 2017) & Codeforces Round #432 (Div. 2, based on IndiaHacks Final Round 2017) |

4 |
P4 - Tournament Construction |
Codeforces |
Codeforces Round #432 (Div. 1, based on IndiaHacks Final Round 2017) |

5 |
P5 - Random Elections |
Codeforces |
Codeforces Round #432 (Div. 1, based on IndiaHacks Final Round 2017) |

6 |
P6 - Rainbow Balls |
Codeforces |
Codeforces Round #432 (Div. 1, based on IndiaHacks Final Round 2017) |

7 |
P7 - Fraction |
Codeforces |
Codeforces Round #433 (Div. 2, based on Olympiad of Metropolises) |

8 |
P8 - Maxim Buys an Apartment |
Codeforces |
Codeforces Round #433 (Div. 2, based on Olympiad of Metropolises) |

9 |
P9 - Planning |
Codeforces |
Codeforces Round #433 (Div. 1, based on Olympiad of Metropolises) & Codeforces Round #433 (Div. 2, based on Olympiad of Metropolises) |

10 |
P10 - Jury Meeting |
Codeforces |
Codeforces Round #433 (Div. 1, based on Olympiad of Metropolises) & Codeforces Round #433 (Div. 2, based on Olympiad of Metropolises) |

11 |
P11 - Boredom |
Codeforces |
Codeforces Round #433 (Div. 1, based on Olympiad of Metropolises) & Codeforces Round #433 (Div. 2, based on Olympiad of Metropolises) |

12 |
P12 - Raffles |
Codeforces |
8VC Venture Cup 2016 - Elimination Round |

13 |
P13 - Mirror Room |
Codeforces |
Codeforces Round #168 (Div. 1) |

14 |
P14 - Harry Potter and Moving Staircases |
Codeforces |
Codeforces Beta Round #60 |

15 |
P15 - Counting Fridays |
Codeforces |
Friday the 13th, Programmers Day |

16 |
P16 - Battleship |
Codeforces |
Unknown Language Round #3 |

17 |
P17 - Homework |
Codeforces |
Russian Code Cup 2016 - Finals [Unofficial Mirror, Div. 1 Only Recommended] |

18 |
P18 - Problem of offices |
Codeforces |
Tinkoff Challenge - Elimination Round |

19 |
P19 - Mogohu-Rea Idol |
Codeforces |
Codeforces Beta Round #73 (Div. 1 Only) |

20 |
P20 - Petya and Rectangle |
Codeforces |
Codeforces Beta Round #85 (Div. 1 Only) |

21 |
P21 - Longest Increasing Subsequence |
Codeforces |
Codeforces Round #315 (Div. 1) |

22 |
P22 - Dima and Game |
Codeforces |
Codeforces Round #167 (Div. 1) |

23 |
P23 - Design Tutorial: Learn from a Game |
Codeforces |
Codeforces Round #270 |

24 |
P24 - The Beaver's Problem - 3 |
Codeforces |
Abbyy Cup 2.0 - Final (unofficial) |

25 |
P25 - Big Number and Remainder |
Codeforces |
VK Cup 2017 - Wild Card Round 1 |

26 |
P26 - Repairing Of String |
Codeforces |
VK Cup 2017 - Wild Card Round 1 |

27 |
P27 - Sonya Partymaker |
Codeforces |
Codeforces Round #371 (Div. 1) |

28 |
P28 - Weak Subsequence |
Codeforces |
Codeforces Beta Round #97 (Div. 1) |

29 |
P29 - Interval Coloring |
Codeforces |
Unknown Language Round #3 |

30 |
P30 - Colored Jenga |
Codeforces |
Codeforces Round #242 (Div. 2) |

31 |
P31 - Inna and Babies |
Codeforces |
Codeforces Round #220 (Div. 2) |

32 |
P32 - Hongcow Masters the Cyclic Shift |
Codeforces |
Codeforces Round #385 (Div. 1) |

33 |
P33 - Fake bullions |
Codeforces |
Codeforces Round #411 (Div. 1) |

34 |
P34 - Appleman and a Game |
Codeforces |
Codeforces Round #263 (Div. 1) |

35 |
P35 - The Beaver's Problem - 3 |
Codeforces |
Abbyy Cup 2.0 - Final (unofficial) |

36 |
P36 - Vacuum ?leaner |
Codeforces |
Codeforces Beta Round #50 |

37 |
P37 - Ohana Cleans Up |
Codeforces |
Codeforces Round #309 (Div. 2) |

38 |
P38 - AlgoRace |
Codeforces |
Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2) |

39 |
P39 - Sereja and Tree |
Codeforces |
Codeforces Round #223 (Div. 1) & Codeforces Round #223 (Div. 2) |

40 |
P40 - Lucky Arrays |
Codeforces |
Codeforces Round #156 (Div. 1) |

41 |
P41 - Theatre Square |
Codeforces |
Codeforces Beta Round #1 |

42 |
P42 - Design Tutorial: Increase the Constraints |
Codeforces |
Codeforces Round #270 |

43 |
P43 - Parquet |
Codeforces |
Codeforces Beta Round #26 (Codeforces format) |

44 |
P44 - Spider Man |
Codeforces |
Codeforces Round #366 (Div. 2) |

45 |
P45 - Inversions problem |
Codeforces |
Rockethon 2015 |

46 |
P46 - Sasha Circle |
Codeforces |
Looksery Cup 2015 |

47 |
P47 - Good Matrix Elements |
Codeforces |
ABBYY Cup 2.0 - Easy |

48 |
P48 - Tetrahedron |
Codeforces |
Codeforces Round #113 (Div. 2) |

49 |
P49 - Vitaly and Cycle |
Codeforces |
Codeforces Round #311 (Div. 2) |

50 |
P50 - Old Berland Language |
Codeforces |
Codeforces Beta Round #37 |

51 |
P51 - Vitya in the Countryside |
Codeforces |
Codeforces Round #373 (Div. 2) |

52 |
P52 - Flea travel |
Codeforces |
Codeforces Beta Round #51 |

53 |
P53 - Functions again |
Codeforces |
Codeforces Round #407 (Div. 1) & Codeforces Round #407 (Div. 2) |

54 |
P54 - Working routine |
Codeforces |
Codeforces Round #367 (Div. 2) |

55 |
P55 - Timofey and a flat tree |
Codeforces |
Codeforces Round #395 (Div. 1) |

56 |
P56 - ZgukistringZ |
Codeforces |
Codeforces Round #307 (Div. 2) |

57 |
P57 - Beautiful Decomposition |
Codeforces |
Codeforces Round #171 (Div. 2) |

58 |
P58 - Weather |
Codeforces |
Codeforces Round #145 (Div. 2, ACM-ICPC Rules) |

59 |
P59 - Table with Letters - 2 |
Codeforces |
Codeforces Round #154 (Div. 2) |

60 |
P60 - Animals |
Codeforces |
Codeforces Beta Round #35 (Div. 2) |

61 |
P61 - Initial Bet |
Codeforces |
Codeforces Round #273 (Div. 2) |