1 |
P1 - Sea Battle |
Codeforces |
Technocup 2017 - Elimination Round 2 |

2 |
P2 - Fox And Jumping |
Codeforces |
Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) |

3 |
P3 - Inversion Counting |
Codeforces |
Educational Codeforces Round 35 (Rated for Div. 2) |

4 |
P4 - Feed the cat |
Codeforces |
Codeforces Round #471 (Div. 2) |

5 |
P5 - Leha and Function |
Codeforces |
Codeforces Round #429 (Div. 1) & Codeforces Round #429 (Div. 2) |

6 |
P6 - Browser |
Codeforces |
Educational Codeforces Round 36 (Rated for Div. 2) |

7 |
P7 - Balanced Substring |
Codeforces |
Educational Codeforces Round 30 |

8 |
P8 - Kayaking |
Codeforces |
Educational Codeforces Round 29 |

9 |
P9 - Voltage Keepsake |
Codeforces |
VK Cup 2017 - Round 2 |

10 |
P10 - Bad Luck Island |
Codeforces |
Codeforces Round #301 (Div. 2) |

11 |
P11 - Da Vinci Powers |
Codeforces |
April Fools Day Contest 2016 |

12 |
P12 - Vlad and Cafes |
Codeforces |
?????????? 2018 - ?????????? ????? 3 |

13 |
P13 - Spongebob and Joke |
Codeforces |
Codeforces Round #332 (Div. 2) |

14 |
P14 - Chessboard |
Codeforces |
Educational Codeforces Round 41 (Rated for Div. 2) |

15 |
P15 - Lecture Sleep |
Codeforces |
Educational Codeforces Round 41 (Rated for Div. 2) |

16 |
P16 - Maximum splitting |
Codeforces |
Technocup 2018 - Elimination Round 2 |

17 |
P17 - Three-level Laser |
Codeforces |
VK Cup 2018 - Round 2 |

18 |
P18 - Find Amir |
Codeforces |
Codeforces Round #411 (Div. 1) & Codeforces Round #411 (Div. 2) |

19 |
P19 - Naming Company |
Codeforces |
Tinkoff Challenge - Final Round (Codeforces Round #414, rated, Div. 1 + Div. 2) |

20 |
P20 - Prefixes and Suffixes |
Codeforces |
Codeforces Round #246 (Div. 2) |

21 |
P21 - The Monster |
Codeforces |
Codeforces Round #459 (Div. 1) & Codeforces Round #459 (Div. 2) |

22 |
P22 - Hidden Word |
Codeforces |
Canada Cup 2016 |

23 |
P23 - Run For Your Prize |
Codeforces |
Educational Codeforces Round 38 (Rated for Div. 2) |

24 |
P24 - Verse Pattern |
Codeforces |
Intel Code Challenge Elimination Round (Div. 1 + Div. 2, combined) |

25 |
P25 - ?????? ??????????? |
Codeforces |
VK Cup 2018 - ???????????? 2 |

26 |
P26 - Santa Claus and Candies |
Codeforces |
Testing Round #13 |

27 |
P27 - Tritonic Iridescence |
Codeforces |
Codeforces Round #472 (rated, Div. 2, based on VK Cup 2018 Round 2) |

28 |
P28 - Alyona and Spreadsheet |
Codeforces |
Codeforces Round #401 (Div. 2) |

29 |
P29 - My pretty girl Noora |
Codeforces |
Codeforces Round #422 (Div. 2) |

30 |
P30 - Substring |
Codeforces |
Codeforces Round #460 (Div. 2) |