1 |
P1 - Yet Another Minimization Problem |
Codeforces |
Codeforces Round #438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) |

2 |
P2 - Wet Shark and Blocks |
Codeforces |
Codeforces Round #341 (Div. 2) |

3 |
P3 - Shark |
Codeforces |
Codeforces Round #484 (Div. 2) |

4 |
P4 - Maze 2D |
Codeforces |
Coder-Strike 2014 - Round 2 |

5 |
P5 - Mashmokh and Reverse Operation |
Codeforces |
Codeforces Round #240 (Div. 1) & Codeforces Round #240 (Div. 2) |

6 |
P6 - Perfect Groups |
Codeforces |
Codeforces Round #480 (Div. 2) |

7 |
P7 - Data Center Maintenance |
Codeforces |
Codeforces Round #469 (Div. 1) & Codeforces Round #469 (Div. 2) |

8 |
P8 - Restoration of string |
Codeforces |
?????????? 2018 - ?????????? ????? 3 |

9 |
P9 - The penguin's game |
Codeforces |
Codeforces Round #427 (Div. 2) |

10 |
P10 - Riverside Curio |
Codeforces |
VK Cup 2018 - Round 2 |

11 |
P11 - Jamie and Binary Sequence (changed after round) |
Codeforces |
Codeforces Round #457 (Div. 2) |

12 |
P12 - Colorful Points |
Codeforces |
Codeforces Round #455 (Div. 2) |

13 |
P13 - Full Binary Tree Queries |
Codeforces |
Divide by Zero 2018 and Codeforces Round #474 (Div. 1 + Div. 2, combined) |

14 |
P14 - Restoring the Expression |
Codeforces |
Codeforces Round #451 (Div. 2) |

15 |
P15 - Dasha and Puzzle |
Codeforces |
Codeforces Round #394 (Div. 2) |