1 |
P1 - Mike and Chocolate Thieves |
Codeforces |
Codeforces Round #361 (Div. 2) |

2 |
P2 - Crossword solving |
Codeforces |
Codeforces Round #422 (Div. 2) |

3 |
P3 - New Bus Route |
Codeforces |
Educational Codeforces Round 18 |

4 |
P4 - The Contest |
Codeforces |
Educational Codeforces Round 22 |

5 |
P5 - One Bomb |
Codeforces |
Codeforces Round #363 (Div. 2) |

6 |
P6 - I'm bored with life |
Codeforces |
Codeforces Round #422 (Div. 2) |

7 |
P7 - Constellation |
Codeforces |
Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) |

8 |
P8 - Display Size |
Codeforces |
Codeforces Round #387 (Div. 2) |

9 |
P9 - New Password |
Codeforces |
VK Cup 2017 - Qualification 2 |

10 |
P10 - Anton and Chess |
Codeforces |
Codeforces Round #379 (Div. 2) |

11 |
P11 - Vicious Keyboard |
Codeforces |
Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) |

12 |
P12 - 3-palindrome |
Codeforces |
Codeforces Round #411 (Div. 2) |

13 |
P13 - Buying A House |
Codeforces |
Codeforces Round #408 (Div. 2) |

14 |
P14 - Anton and Making Potions |
Codeforces |
Codeforces Round #379 (Div. 2) |

15 |
P15 - Verse Pattern |
Codeforces |
Intel Code Challenge Elimination Round (Div. 1 + Div. 2, combined) |

16 |
P16 - Gennady the Dentist |
Codeforces |
Codeforces Round #325 (Div. 1) & Codeforces Round #325 (Div. 2) |

17 |
P17 - Okabe and Banana Trees |
Codeforces |
Codeforces Round #420 (Div. 2) |

18 |
P18 - Bear and Compressing |
Codeforces |
IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) |

19 |
P19 - Voltage Keepsake |
Codeforces |
VK Cup 2017 - Round 2 |

20 |
P20 - An abandoned sentiment from past |
Codeforces |
Codeforces Round #418 (Div. 2) |

21 |
P21 - Problems for Round |
Codeforces |
Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) |

22 |
P22 - Tennis Tournament |
Codeforces |
Educational Codeforces Round 8 |

23 |
P23 - Game of Credit Cards |
Codeforces |
Codeforces Round #401 (Div. 2) |

24 |
P24 - Bear and Different Names |
Codeforces |
VK Cup 2017 - Round 1 |

25 |
P25 - Valued Keys |
Codeforces |
Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) |

26 |
P26 - Cloud of Hashtags |
Codeforces |
Codeforces Round #401 (Div. 2) |

27 |
P27 - Anton and Polyhedrons |
Codeforces |
Codeforces Round #404 (Div. 2) |

28 |
P28 - Decoding |
Codeforces |
Codeforces Round #386 (Div. 2) |

29 |
P29 - An impassioned circulation of affection |
Codeforces |
Codeforces Round #418 (Div. 2) |

30 |
P30 - Cellular Network |
Codeforces |
Educational Codeforces Round 15 |