1 |
P1 - Fools and Roads |
Codeforces |
Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2) |

2 |
P2 - A and B and Lecture Rooms |
Codeforces |
Codeforces Round #294 (Div. 2) |

3 |
P3 - Ant colony |
Codeforces |
Codeforces Round #271 (Div. 2) |

4 |
P4 - Vladik and Memorable Trip |
Codeforces |
Codeforces Round #416 (Div. 2) |

5 |
P5 - Maximum Xor Secondary |
Codeforces |
Codeforces Round #172 (Div. 1) & Codeforces Round #172 (Div. 2) |

6 |
P6 - Bank Hacking |
Codeforces |
Codeforces Round #408 (Div. 2) |

7 |
P7 - Minimum spanning tree for each edge |
Codeforces |
Educational Codeforces Round 3 |

8 |
P8 - Strip |
Codeforces |
Codeforces Round #278 (Div. 1) & Codeforces Round #278 (Div. 2) |

9 |
P9 - Andryusha and Colored Balloons |
Codeforces |
?????????? 2017 - ????? (?????? ??? ??????-??????????) |