1 |
P1 - Fox And Names |
Codeforces |
Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) |

2 |
P2 - Ice Skating |
Codeforces |
Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) |

3 |
P3 - Xor-tree |
Codeforces |
Codeforces Round #245 (Div. 1) & Codeforces Round #245 (Div. 2) |

4 |
P4 - Hard Process |
Codeforces |
Educational Codeforces Round 11 |

5 |
P5 - LCM Challenge |
Codeforces |
Codeforces Round #146 (Div. 1) & Codeforces Round #146 (Div. 2) |

6 |
P6 - Lucky Division |
Codeforces |
Codeforces Beta Round #91 (Div. 2 Only) |

7 |
P7 - Vacations |
Codeforces |
Codeforces Round #363 (Div. 1) & Codeforces Round #363 (Div. 2) |