1 |
P1 - Fixing Typos |
Codeforces |
Codeforces Round #211 (Div. 2) |

2 |
P2 - Maximum of Maximums of Minimums |
Codeforces |
Technocup 2018 - Elimination Round 2 |

3 |
P3 - Alyona and mex |
Codeforces |
Codeforces Round #381 (Div. 1) & Codeforces Round #381 (Div. 2) |

4 |
P4 - Anya and Ghosts |
Codeforces |
Codeforces Round #288 (Div. 2) |

5 |
P5 - Seat Arrangements |
Codeforces |
Codeforces Round #460 (Div. 2) |

6 |
P6 - Greg and Array |
Codeforces |
Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2) |

7 |
P7 - Little Girl and Maximum Sum |
Codeforces |
Codeforces Round #169 (Div. 2) |

8 |
P8 - Sereja and Array |
Codeforces |
Codeforces Round #187 (Div. 2) |

9 |
P9 - Given Length and Sum of Digits... |
Codeforces |
Codeforces Round #277.5 (Div. 2) |

10 |
P10 - Letters Cyclic Shift |
Codeforces |
AIM Tech Round 3 (Div. 1) & AIM Tech Round 3 (Div. 2) |

11 |
P11 - Alyona and Mex |
Codeforces |
Codeforces Round #358 (Div. 2) |

12 |
P12 - Kuriyama Mirai's Stones |
Codeforces |
Codeforces Round #248 (Div. 2) |