1 |
P1 - Choosing Laptop |
Codeforces |
Codeforces Beta Round #82 (Div. 2) |

2 |
P2 - Photographer |
Codeforces |
Codeforces Round #128 (Div. 2) |

3 |
P3 - Covered Path |
Codeforces |
Codeforces Round #298 (Div. 2) |

4 |
P4 - Arpa and an exam about geometry |
Codeforces |
Codeforces Round #432 (Div. 2, based on IndiaHacks Final Round 2017) |

5 |
P5 - Pride |
Codeforces |
Codeforces Round #446 (Div. 1) & Codeforces Round #446 (Div. 2) |

6 |
P6 - Magical Array |
Codeforces |
Codeforces Beta Round #72 (Div. 1 Only) & Codeforces Beta Round #72 (Div. 2 Only) |

7 |
P7 - BerSU Ball |
Codeforces |
Codeforces Round #277.5 (Div. 2) |

8 |
P8 - Godsend |
Codeforces |
Codeforces Round #429 (Div. 2) |

9 |
P9 - Economy Game |
Codeforces |
Codeforces Round #357 (Div. 2) |