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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19971 100pct failure in 72 hours   1 8 42.86
17
50
31557 Halum and Candies   1 69 30.65
23351 Hiccup And Lucky Dragons   19 11.65
26
17
1677 Halloween treats   10 1010 39.33
14
22
4200 Hamster flight   13 1160 45.54
5
13
6478 Hamster Flight 2   2 69 33.61
17
34
351 Ha-noi!   386 42.45
1
1
9046 Clock Hands   2 378 22.32
34
26
89 Hang or not to hang   1 66 15.60
17
17
902 Hangover   57 17908 62.79
3
3
681 Building the Tower   2 105 20.11
17
12
1880 Hanoi Calls   205 54.44
14629 Play with Binary Numbers   4 509 39.37
8
9
27494 Happiness   1 9 14.78
50
50
10078 Happy Telephones   2 294 48.89
1
1
7560 F - Interesting Ranges   13 21.33
1689 Hard Problem   -1 19 26.67
17
34
332 Hard Question   106 33.05
1
34
49 Hares and Foxes   1 119 7.85
17
26
26385 Harish and his rooks puzzle   6 230 32.39
4
1
7555 A - Crazy Rows   2 186 25.98
17
21
12260 Devlali Numbers   13 726 37.85
20
14
30499 TWO STRINGS   6 26 28.75
15
15
3578 Hashing   1 43 12.06
34
34
29 Hash it!   14 3650 24.17
14
8
7556 B - Stock Charts   45 40.48
7559 E - Football Team   9 12.50
10500 Haybale stacking   24 4042 34.76
9
14
37921 Birthday Present   3 41 32.41
42
34
6772 Happy Coins   14 2457 55.25
3
10
26978 Hofstadter–Conway 10000 dollar sequence   1 11 41.57
17
34
13577 Card Game   13 503 24.51
14
16
13621 Security   27 28.32
13622 Dead Pixels   25 22.70
6622 Islands and Hotel Chains   2 66 9.68
45
34
23821 Magic Schools   1 29 20.65
34
34
21418 Interesting Game with Polygons   1 36 28.02
17
34
20970 Alia and Handsome Devil   5 399 30.65
17
12
35152 Best Saved For The Last   1 14 24.44
1
17
3645 Farthest Headquarters   60 26.80
7132 Headshot   7 1407 37.40
8
14
1790 Binary Search Heap Construction   6 331 23.45
17
19
9643 He is Lazy   2 157 41.73
17
17
386 Help the problem setter   105 45.45
2856 Help Bob   6 278 31.72
21
23
25803 Help BTW   3 131 12.46
17
26
16716 Help Your Commander   15 44.19
15963 Help Donn   1 95 42.42
1
9
14949 HELPER   13 39.47
132 Help R2-D2!   13 771 29.70
19
17

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