1 |
P1 - Irrational problem |
Codeforces |
Codeforces Beta Round #62 |

2 |
P2 - PolandBall and Game |
Codeforces |
8VC Venture Cup 2017 - Elimination Round |

3 |
P3 - Meme Problem |
Codeforces |
Educational Codeforces Round 54 (Rated for Div. 2) |

4 |
P4 - T-shirt buying |
Codeforces |
Playrix Codescapes Cup (Codeforces Round #413, rated, Div. 1 + Div. 2) |

5 |
P5 - Cut 'em all! |
Codeforces |
Codeforces Round #484 (Div. 2) |

6 |
P6 - Make a Square |
Codeforces |
Educational Codeforces Round 42 (Rated for Div. 2) |