1 |
P1 - Shaass and Oskols |
Codeforces |
Codeforces Round #178 (Div. 2) |

2 |
P2 - Carrot Cakes |
Codeforces |
Playrix Codescapes Cup (Codeforces Round #413, rated, Div. 1 + Div. 2) |

3 |
P3 - Anton and Letters |
Codeforces |
Codeforces Round #253 (Div. 2) |

4 |
P4 - Free Ice Cream |
Codeforces |
Codeforces Round #359 (Div. 2) |

5 |
P5 - Lineland Mail |
Codeforces |
Codeforces Round #Pi (Div. 2) |

6 |
P6 - Mahmoud and Longest Uncommon Subsequence |
Codeforces |
Codeforces Round #396 (Div. 2) |

7 |
P7 - Snacktower |
Codeforces |
Codeforces Round #398 (Div. 2) |

8 |
P8 - Oath of the Night's Watch |
Codeforces |
Divide by Zero 2017 and Codeforces Round #399 (Div. 1 + Div. 2, combined) |

9 |
P9 - Pangram |
Codeforces |
Codeforces Round #295 (Div. 2) |

10 |
P10 - Young Physicist |
Codeforces |
Codeforces Beta Round #63 (Div. 2) |

11 |
P11 - Twins |
Codeforces |
Codeforces Round #111 (Div. 2) |

12 |
P12 - Keyboard |
Codeforces |
Codeforces Round #271 (Div. 2) |