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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5541 Sequoiadendron   1 62 44.73
17
17
5542 Counting pairs   4 132 26.53
39
36
5566 Math with Bases   15 11.06
5609 Knight Moves   6 102 40.42
9
20
5637 LL and ErBao   5 50.00
5638 Mobile Service Hard   1 87 22.53
50
50
5640 Fractions on Tree   6 927 61.21
14
21
5649 Divide Polygon   3 35 20.69
9
34
5652 Snow White and the N dwarfs   32 979 17.68
21
31
5672 Captain Selection   7 37.04
5673 Fractions on Tree ( reloaded !)   2 245 38.11
26
34
5699 The last digit re-visited   39 7453 31.70
9
9
5703 Primes of Lambda   2 22 26.11
42
42
5725 123 Sequence   2 121 23.60
1
1
5732 Paradox   43 1239 27.87
16
19
5830 Alternating Permutations   1 57 38.46
34
34
5831 Permutation Jumping   135 59.18
5832 AND Rounds   51 1700 24.87
17
20
5833 XOR Rounds   2 357 30.74
9
13
5885 Troops of Sand Monsters   2 108 16.90
17
17
5902 Tri   1 77 20.34
34
50
5911 Square-free Integers Factorization   1 20 39.51
17
34
5917 Factorial length   11 3471 34.54
5
17
5969 Finding Maximum   3 103 30.13
13
23
5970 Finding Primes   22 1339 27.91
16
15
5971 LCM Sum   81 3828 26.09
20
29
5972 Maximum Sum Sequences   14 1152 20.61
15
18
5973 Selecting Teams   229 23.11
5975 Travelling Knight   2 50 33.46
34
34
5976 Traversing Grid   30 3714 58.51
6
10
5977 Weird Function   33 1151 18.93
18
16
5978 Frequent Prime Ranges   10 709 28.91
14
14
5979 Yet Another Permutations Problem   5 1357 49.49
7
15
5980 Matrix Game   14 958 29.06
8
20
6035 Dinner   4 159 27.07
9
34
6041 Mountain Walking   3 476 42.60
9
1
6042 Another Box Problem   10 844 50.05
6
17
6043 The Game   13 942 39.56
3
19
6044 Minimum Diameter Circle   1 443 27.60
34
42
6052 PBCGAME   81 26.99
6059 Another GCD problem   336 45.24
6072 Chocolate   157 21.27
17
34
6168 Building Bridges   27 1653 26.06
11
17
6169 Standing Sequence   2 119 28.52
34
39
6170 Homecoming   1 29 31.03
17
34
6171 Majority   35 5330 43.15
6
7
6172 OAE   7 1226 42.18
12
26
6187 Jane and Tarzan   7 217 24.55
15
22
6219 Edit distance   305 13188 33.12
12
18
6221 Increasing Powers of K   4 355 27.42
24
34

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