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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
31234 Stressful Activities   2 71 41.00
12
1
16282 Horace and his primes   5 263 40.98
27
27
6738 Nice Quadrangles   180 40.97
19996 Moon Safari (medium)   5 83 40.94
24
34
666 Con-Junctions   32 1006 40.93
14
19
21049 Under Construction Forever   1 17 40.91
17
34
36132 Rightful Distribution   10 157 40.91
8
8
9964 Fibonacci vs Polynomial   6 130 40.90
24
34
21642 Tsunami   3 145 40.88
28
23
21967 City Park   26 40.86
67 Cutting out   2 303 40.85
30
27
15569 Antisymmetry   2 418 40.85
17
34
7507 Wonderful Randomized Sum   4 386 40.83
1
1
3640 Hanoi Subway System Construction   36 40.78
11405 Just Like the Good Old Days   88 40.78
32940 Alien Language   2 74 40.77
28
34
17731 Buying Integers   5 111 40.73
8
11
19144 Digo plays with Numbers   9 726 40.73
9
11
27367 Game of Squares   16 464 40.73
7
9
243 Stable Marriage Problem   12 1567 40.71
19
22
29367 VEGETABLE SHOPKEEPER 3   6 111 40.70
15
15
5609 Knight Moves   6 107 40.69
9
20
5015 Decode the Castanets   36 40.68
25179 Kaos   9 282 40.67
19
25
2131 Get Back!   1 55 40.67
17
17
9506 Jimmy´s Travel Plan   23 40.66
738 Another Counting Problem   1 235 40.65
1
1
26212 Keyur and Mohib Tree   15 218 40.63
8
12
11935 Decorating the Palace   23 40.62
37375 Kingdom of Equality   2 14 40.62
26
26
12357 Subset and upset (HARD)   4 128 40.62
21
21
2002 Random Number Generator   98 40.62
2127 Rain   4 438 40.61
20
15
4784 Diophantine equation   3 155 40.59
26
17
13647 Tjandra 19th birthday (EASY)   1 72 40.58
1
1
94 Numeral System of the Maya   4 2599 40.57
10
6
7250 Blocks for kids   2 102 40.56
23
23
1701 Earth Observation with a Mobile Robot Team   14 40.54
25474 Happiness for all   2 107 40.54
17
12
10461 The magical escape   31 40.52
7216 The Clocks   1 281 40.48
17
17
23847 Acm Teams   24 1667 40.48
2
5
7556 B - Stock Charts   45 40.48
34670 TWISTED ARRAY   206 40.47
2
14
3754 MAJMUN   1 77 40.47
17
17
10574 Soccer Ceremony   26 40.43
15562 Find Lexicographically Smallest Permutation   13 365 40.41
16
13
12250 Buzz Trouble   -1 204 40.40
9
9
1709 Swamp Things   290 40.40
26347 HELP SHELDON   8 605 40.39
5
7

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