1 |
P1 - Tram |
Codeforces |
Codeforces Beta Round #87 (Div. 2 Only) |

2 |
P2 - Ultra-Fast Mathematician |
Codeforces |
Codeforces Beta Round #57 (Div. 2) |

3 |
P3 - Amusing Joke |
Codeforces |
Codeforces Round #101 (Div. 2) |

4 |
P4 - Way Too Long Words |
Codeforces |
Codeforces Beta Round #65 (Div. 2) |

5 |
P5 - Xenia and Ringroad |
Codeforces |
Codeforces Round #197 (Div. 2) |

6 |
P6 - Slightly Decreasing Permutations |
Codeforces |
Codeforces Round #175 (Div. 2) |

7 |
P7 - Football |
Codeforces |
Codeforces Beta Round #77 (Div. 2 Only) |

8 |
P8 - Caisa and Pylons |
Codeforces |
Codeforces Round #264 (Div. 2) |

9 |
P9 - Present from Lena |
Codeforces |
Codeforces Beta Round #89 (Div. 2) |

10 |
P10 - k-String |
Codeforces |
Codeforces Round #135 (Div. 2) |

11 |
P11 - Fancy Fence |
Codeforces |
Codeforces Round #165 (Div. 2) |

12 |
P12 - Twins |
Codeforces |
Codeforces Round #111 (Div. 2) |

13 |
P13 - Puzzles |
Codeforces |
Codeforces Round #196 (Div. 2) |

14 |
P14 - String Task |
Codeforces |
Codeforces Beta Round #89 (Div. 2) |

15 |
P15 - Mashmokh and ACM |
Codeforces |
Codeforces Round #240 (Div. 1) & Codeforces Round #240 (Div. 2) |

16 |
P16 - The Child and Toy |
Codeforces |
Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1) |

17 |
P17 - Fence |
Codeforces |
Codeforces Round #211 (Div. 2) |

18 |
P18 - T-primes |
Codeforces |
Codeforces Round #142 (Div. 2) |

19 |
P19 - Rank List |
Codeforces |
Codeforces Round #113 (Div. 2) |

20 |
P20 - Fox and Box Accumulation |
Codeforces |
Codeforces Round #228 (Div. 1) & Codeforces Round #228 (Div. 2) |

21 |
P21 - Cinema Line |
Codeforces |
Codeforces Round #202 (Div. 2) |

22 |
P22 - Escape from Stones |
Codeforces |
Codeforces Round #162 (Div. 1) & Codeforces Round #162 (Div. 2) |

23 |
P23 - Laptops |
Codeforces |
Codeforces Round #260 (Div. 2) |

24 |
P24 - Little Elephant and Bits |
Codeforces |
Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) |

25 |
P25 - Flipping Game |
Codeforces |
Codeforces Round #191 (Div. 2) |

26 |
P26 - Dima and Staircase |
Codeforces |
Codeforces Round #167 (Div. 2) & Codeforces Round #167 (Div. 1) |

27 |
P27 - Building Permutation |
Codeforces |
Codeforces Round #175 (Div. 2) |

28 |
P28 - Ilya and Queries |
Codeforces |
Codeforces Round #186 (Div. 2) |

29 |
P29 - Kuriyama Mirai's Stones |
Codeforces |
Codeforces Round #248 (Div. 2) |

30 |
P30 - Party |
Codeforces |
Codeforces Beta Round #87 (Div. 1 Only) & Codeforces Beta Round #87 (Div. 2 Only) |

31 |
P31 - Ice Skating |
Codeforces |
Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) |

32 |
P32 - Cut Ribbon |
Codeforces |
Codeforces Round #119 (Div. 2) |

33 |
P33 - Booking System |
Codeforces |
Codeforces Round #241 (Div. 2) |

34 |
P34 - Fox And Names |
Codeforces |
Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) |

35 |
P35 - Fox And Two Dots |
Codeforces |
Codeforces Round #290 (Div. 2) |

36 |
P36 - Pocket Book |
Codeforces |
Codeforces Round #108 (Div. 2) |

37 |
P37 - Array |
Codeforces |
Codeforces Round #138 (Div. 2) |

38 |
P38 - Ladder |
Codeforces |
Codeforces Round #171 (Div. 2) |

39 |
P39 - Divisibility by Eight |
Codeforces |
Codeforces Round #306 (Div. 2) |

40 |
P40 - Little Elephant and Problem |
Codeforces |
Codeforces Round #136 (Div. 1) & Codeforces Round #136 (Div. 2) |

41 |
P41 - Ciel and Flowers |
Codeforces |
Codeforces Round #190 (Div. 2) |

42 |
P42 - Convex Shape |
Codeforces |
Codeforces Round #168 (Div. 2) |

43 |
P43 - Maze |
Codeforces |
Codeforces Round #222 (Div. 1) & Codeforces Round #222 (Div. 2) |

44 |
P44 - View Angle |
Codeforces |
Codeforces Round #159 (Div. 2) |

45 |
P45 - Mr. Kitayuta, the Treasure Hunter |
Codeforces |
Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) |