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

1 | Increasing Subsequences | SPOJ | 1 | ||

2 | K-query | SPOJ | 1 | ||

3 | Matrix Summation | SPOJ | 1 | ||

4 | Yodaness Level | SPOJ | 1 | ||

5 | Number of Ways | Codeforces | Codeforces Round #266 (Div. 2) | 1 | |

6 | Assistance Required | SPOJ | 1 | ||

7 | Japan | SPOJ | 1 | ||

8 | Inversion Count | SPOJ | 1 | ||

9 | Jupiter Atacks! | Live Archive | 2011 | Latin America | 1 |

10 | Little Girl and Maximum Sum | Codeforces | Codeforces Round #169 (Div. 2) | 1 | |

11 | Ordering the Soldiers | SPOJ | 1 | ||

12 | Horrible Queries | SPOJ | 1 | ||

13 | Coder Ratings | SPOJ | 1 | ||

14 | Can you answer these queries IV | SPOJ | 1 | ||

15 | The day of the competitors | SPOJ | 1 | ||

16 | Update the array ! | SPOJ | 1 | ||

17 | Card Trick | SPOJ | 1 | ||

18 | Interval Product | Live Archive | 2012 | Latin America | 1 |

19 | Order statistic set | SPOJ | 1 | ||

20 | Bingo! | Live Archive | 2010 | Latin America | 1 |

21 | D-query | SPOJ | 1 | ||

22 | Gravel | CodeChef | 1 | ||

23 | WIND VANE | SPOJ | 2 | ||

24 | Greg and Array | Codeforces | Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2) | 2 | |

25 | Interval Product | UVA | 2 | ||

26 | Potentiometers | UVA | 2 | ||

27 | Matrix | SPOJ | 2 | ||

28 | Fenwick Trees | SPOJ | 2 | ||

29 | Round-Robin Scheduling | SPOJ | 2 | ||

30 | IOI01 Mobiles | SPOJ | 2 | ||

31 | Thor | Codeforces | Codeforces Round #366 (Div. 1) & Codeforces Round #366 (Div. 2) | 2 | |

32 | Counting inversions | SPOJ | 2 | ||

33 | Chaos Strings | SPOJ | 2 | ||

34 | Karen and Coffee | Codeforces | Codeforces Round #419 (Div. 2) | 2 | |

35 | Meteors | SPOJ | 2 | ||

36 | Distinct Increasing Subsequences | SPOJ | 2 | ||

37 | Cvjetici | SPOJ | 2 | ||

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

39 | New bricks disorder | SPOJ | 3 | ||

40 | Ping pong | UVA | 3 | ||

41 | UFOs | Timus | 3 | ||

42 | Above the Median | SPOJ Vietnam | 3 | ||

43 | Calculate The Cost | SPOJ | 3 | ||

44 | Salary Management | SPOJ | 3 | ||

45 | Team Selection | SPOJ | 3 | ||

46 | Chef and Swaps | CodeChef | 3 | ||

47 | Census | UVA | 3 | ||

48 | Queue (Pro) | SPOJ | 3 | ||

49 | Counting pairs | SPOJ | 4 | ||

50 | Cow Photographs | SPOJ | 4 | ||

51 | Movie collection | UVA | 4 | ||

52 | Propagating tree | Codeforces | Codeforces Round #225 (Div. 1) & Codeforces Round #225 (Div. 2) | 4 | |

53 | PolandBall and Polygon | Codeforces | 8VC Venture Cup 2017 - Elimination Round | 5 | |

54 | ``Dynamic'' Inversion | UVA | 5 | ||

55 | Balé | SPOJ Brazil | 5 | ||

56 | Tufurama | Codeforces | Educational Codeforces Round 41 (Rated for Div. 2) | 5 | |

57 | Mishka and Interesting sum | Codeforces | Codeforces Round #365 (Div. 2) | 5 | |

58 | Jupiter Atacks! | UVA | 5 | ||

59 | Pillars | Codeforces | Codeforces Round #271 (Div. 2) | 5 | |

60 | FloatingMedian | TopCoder | SRM 310 - Div1 medium - Div2 hard] (9990) | 6 | |

61 | Valera and Queries | Codeforces | Codeforces Round #216 (Div. 2) | 6 | |

62 | Sereja and Arcs | CodeChef | 6 | ||

63 | Infinite Inversions | Codeforces | Codeforces Round #301 (Div. 2) | 6 | |

64 | Dog Show | Codeforces | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest, qualification stage (Online Mirror, ACM-ICPC Rules, Teams Preferred) | 7 | |

65 | Count The Indexes 2 | SPOJ | 7 | ||

66 | Ambitious Experiment | Timus | 7 | ||

67 | George and Cards | Codeforces | Codeforces Round #227 (Div. 2) | 7 | |

68 | Júpiter Ataca! | SPOJ Brazil | 8 | ||

69 | Radio stations | Codeforces | Educational Codeforces Round 17 | 8 |