1 |
P1 - Convenient For Everybody |
Codeforces |
Codeforces Round #464 (Div. 2) |

2 |
P2 - Jury Marks |
Codeforces |
Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals) |

3 |
P3 - Short Program |
Codeforces |
Codeforces Round #443 (Div. 1) & Codeforces Round #443 (Div. 2) |

4 |
P4 - Sea Battle |
Codeforces |
Technocup 2017 - Elimination Round 2 |

5 |
P5 - Lecture Sleep |
Codeforces |
Educational Codeforces Round 41 (Rated for Div. 2) |

6 |
P6 - Star sky |
Codeforces |
Codeforces Round #427 (Div. 2) |

7 |
P7 - Mahmoud and Ehab and the bipartiteness |
Codeforces |
Codeforces Round #435 (Div. 2) |

8 |
P8 - Phillip and Trains |
Codeforces |
Codeforces Round #325 (Div. 1) & Codeforces Round #325 (Div. 2) |

9 |
P9 - Black Square |
Codeforces |
Codeforces Round #423 (Div. 2, rated, based on VK Cup Finals) |

10 |
P10 - Vladik and fractions |
Codeforces |
Codeforces Round #384 (Div. 2) |

11 |
P11 - Thor |
Codeforces |
Codeforces Round #366 (Div. 1) & Codeforces Round #366 (Div. 2) |

12 |
P12 - Do you want a date? |
Codeforces |
Codeforces Round #415 (Div. 1) & Codeforces Round #415 (Div. 2) |

13 |
P13 - Curriculum Vitae |
Codeforces |
Educational Codeforces Round 28 |

14 |
P14 - Almost Identity Permutations |
Codeforces |
Educational Codeforces Round 32 |

15 |
P15 - Fair Game |
Codeforces |
Codeforces Round #436 (Div. 2) |

16 |
P16 - New Year and Curling |
Codeforces |
Good Bye 2017 |

17 |
P17 - Simple Strings |
Codeforces |
Educational Codeforces Round 12 |

18 |
P18 - Kirill And The Game |
Codeforces |
Codeforces Round #430 (Div. 2) |

19 |
P19 - Hidden Word |
Codeforces |
Canada Cup 2016 |

20 |
P20 - Balanced Substring |
Codeforces |
Educational Codeforces Round 30 |

21 |
P21 - A Prosperous Lot |
Codeforces |
Codeforces Round #462 (Div. 2) |

22 |
P22 - Image Preview |
Codeforces |
Codeforces Round #345 (Div. 1) & Codeforces Round #345 (Div. 2) |

23 |
P23 - Average Sleep Time |
Codeforces |
Educational Codeforces Round 21 |

24 |
P24 - Phone Numbers |
Codeforces |
Codeforces Round #466 (Div. 2) |

25 |
P25 - Skis |
Codeforces |
Rockethon 2014 Trial Contest: Testing Round #10 |

26 |
P26 - From Y to Y |
Codeforces |
Codeforces Round #431 (Div. 1) & Codeforces Round #431 (Div. 2) |

27 |
P27 - Problems for Round |
Codeforces |
Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) |

28 |
P28 - Fifa and Fafa |
Codeforces |
Codeforces Round #465 (Div. 2) |

29 |
P29 - Chloe and pleasant prizes |
Codeforces |
Codeforces Round #384 (Div. 2) |

30 |
P30 - Santa Claus and Keyboard Check |
Codeforces |
Technocup 2017 - Elimination Round 3 |