Problem Name | Online Judge | Contest | Difficulty Level | |
---|---|---|---|---|

1 | Equivalent Strings | Codeforces | Codeforces Round #313 (Div. 1) & Codeforces Round #313 (Div. 2) | 2 |

2 | Pashmak and Parmida's problem | Codeforces | Codeforces Round #261 (Div. 2) | 3 |

3 | Painting Fence | Codeforces | Codeforces Round #256 (Div. 2) | 3 |

4 | Distance in Tree | Codeforces | VK Cup 2012 Round 1 | 3 |

5 | Permutations | Codeforces | Rockethon 2015 | 4 |

6 | Xenia and Tree | Codeforces | Codeforces Round #199 (Div. 2) | 4 |

7 | Book of Evil | Codeforces | Codeforces Round #196 (Div. 2) & Codeforces Round #196 (Div. 1) | 4 |

8 | Ciel the Commander | Codeforces | Codeforces Round #190 (Div. 1) & Codeforces Round #190 (Div. 2) | 4 |

9 | How many trees? | Codeforces | Codeforces Beta Round #9 (Div. 2 Only) | 5 |

10 | Points on Plane | Codeforces | Codeforces Round #319 (Div. 1) & Codeforces Round #319 (Div. 2) | 5 |

11 | Tricky Function | Codeforces | Codeforces Round #245 (Div. 1) | 5 |

12 | Mashmokh and Reverse Operation | Codeforces | Codeforces Round #240 (Div. 1) & Codeforces Round #240 (Div. 2) | 5 |

13 | Counting Rectangles is Fun | Codeforces | Codeforces Round #219 (Div. 1) & Codeforces Round #219 (Div. 2) | 5 |

14 | Practice | Codeforces | Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) | 6 |

15 | Hongcow's Game | Codeforces | Codeforces Round #385 (Div. 1) & Codeforces Round #385 (Div. 2) | 6 |

16 | Ciel and Gondolas | Codeforces | Codeforces Round #190 (Div. 1) | 6 |

17 | New Year Tree | Codeforces | Good Bye 2013 | 6 |

18 | Fairy | Codeforces | Codeforces Beta Round #19 | 7 |

19 | Building Bridge | Codeforces | CROC-MBTU 2012, Final Round (Online version, Div. 2) | 7 |

20 | Minimum Sum | Codeforces | School Regional Team Contest, Saratov, 2011 | 7 |

21 | Beautiful Subarrays | Codeforces | Educational Codeforces Round 12 | 7 |

22 | Nanami's Digital Board | Codeforces | Codeforces Round #248 (Div. 2) & Codeforces Round #248 (Div. 1) | 7 |

23 | Binary Table | Codeforces | CROC 2016 - Final Round [Private, For Onsite Finalists Only] | 7 |

24 | Till I Collapse | Codeforces | Codeforces Round #406 (Div. 1) & Codeforces Round #406 (Div. 2) | 7 |

25 | Thief in a Shop | Codeforces | Educational Codeforces Round 9 | 7 |

26 | Paint Tree | Codeforces | Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2) | 7 |

27 | Package Delivery | Codeforces | 8VC Venture Cup 2016 - Final Round | 7 |

28 | Digit Tree | Codeforces | Codeforces Round #372 (Div. 1) & Codeforces Round #372 (Div. 2) | 7 |

29 | Abracadabra | Codeforces | VK Cup 2012 Round 1 | 8 |

30 | Pudding Monsters | Codeforces | ZeptoLab Code Rush 2015 | 8 |

31 | The Child and Binary Tree | Codeforces | Codeforces Round #250 (Div. 1) | 8 |

32 | Permutation | Codeforces | MemSQL Start[c]UP 2.0 - Round 1 | 8 |

33 | Magic Matrix | Codeforces | Educational Codeforces Round 9 | 8 |

34 | Vowels | Codeforces | Codeforces Round #225 (Div. 1) | 8 |

35 | Find a car | Codeforces | Codeforces Round #415 (Div. 1) & Codeforces Round #415 (Div. 2) | 8 |

36 | Superset | Codeforces | Yandex.Algorithm 2011 Finals | 8 |

37 | Yura and Developers | Codeforces | Looksery Cup 2015 | 8 |

38 | Close Vertices | Codeforces | Croc Champ 2013 - Round 2 | 8 |

39 | Goodbye Souvenir | Codeforces | Codeforces Round #431 (Div. 1) & Codeforces Round #431 (Div. 2) | 8 |

40 | Kingdom and its Cities | Codeforces | Codeforces Round #339 (Div. 1) | 8 |

41 | One-Based Arithmetic | Codeforces | Testing Round #10 | 8 |

42 | Pastoral Oddities | Codeforces | Codeforces Round #334 (Div. 1) | 9 |

43 | Freezing with Style | Codeforces | Codeforces Round #107 (Div. 1) | 9 |

44 | Polycarp's Masterpiece | Codeforces | 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) | 9 |

45 | Pumping Stations | Codeforces | Codeforces Round #200 (Div. 1) | 9 |

46 | Fox And Polygon | Codeforces | Codeforces Round #290 (Div. 1) | 9 |

47 | Surprise me! | Codeforces | Codeforces Round #415 (Div. 1) | 9 |

48 | Bear and Cavalry | Codeforces | Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 1) | 9 |

49 | New Year Shopping | Codeforces | Good Bye 2014 | 9 |

50 | Quick Tortoise | Codeforces | Codeforces Round #144 (Div. 1) | 9 |

51 | Not Quick Transformation | Codeforces | Codeforces Beta Round #88 | 9 |

52 | Parking Lot | Codeforces | Codeforces Round #274 (Div. 1) | 9 |

53 | Maze 2D | Codeforces | Coder-Strike 2014 - Round 2 | 9 |

54 | Candies and Stones | Codeforces | Codeforces Beta Round #79 (Div. 1 Only) | 9 |

55 | Half-decay tree | Codeforces | Codeforces Beta Round #62 | 9 |

56 | Tavas on the Path | Codeforces | Codeforces Round #299 (Div. 1) | 9 |

57 | Formurosa | Codeforces | Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) | 9 |

58 | Empty Rectangles | Codeforces | Codeforces Round #213 (Div. 1) | 10 |

59 | Wizards and Roads | Codeforces | Codeforces Round #114 (Div. 1) | 10 |

60 | Red-Black Cobweb | Codeforces | Codeforces Round #426 (Div. 1) | 10 |

61 | Furukawa Nagisa's Tree | Codeforces | Codeforces Round #248 (Div. 1) | 10 |

62 | Finding lines | Codeforces | Codeforces Round #407 (Div. 1) | 10 |

63 | Tree or not Tree | Codeforces | Codeforces Beta Round #88 | 10 |

64 | Nikita and game | Codeforces | Codeforces Round #430 (Div. 2) | 10 |

65 | Logistical Questions | Codeforces | VK Cup 2015 - Finals, online mirror | 10 |

66 | Doe Graphs | Codeforces | Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) | 10 |