list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
11900 Spelling Suggestion   4 20.00
16 Sphere in a tetrahedron   12 3508 56.11
11
16
7335 Spheres   3 129 9.55
17
39
12249 Spiderman vs Sandman   106 26.88
1
1
15609 Spiky Mazes   22 976 35.23
15
12
392 Spin   38 24.40
1
17
23539 Split   3 30 13.38
17
17
900 Split Windows   32 57.63
17
1
8320 Spreadsheet scrolling   76 32.64
10453 Spring Loaded   -2 157 31.09
17
34
14031 Spring Primality   21 25.26
12804 Spy   5 21.15
41790 Spy Reloaded   3 8.70
13114 SQL Queries   2 11 45.16
63 Square Brackets   92 3854 56.84
14
18
1708 Square Count   70 30.29
131 Square dance   326 50.31
1
1
8057 Square Free Factorization   16 1398 41.34
7
15
35956 Square Free Number   8 66 37.92
20
17
38294 Square Pentagon   5 82 49.33
17
24
245 Square Root   4 575 12.96
20
10
11355 SQUARE TO SQUARE   21 17.74
4168 Square-free integers   13 666 44.72
14
20
5911 Square-free Integers Factorization   1 20 39.51
17
34
20931 Square-Free Product (Hard)   2 58 35.98
17
21
8663 Squares Game   34 48.75
19367 St Bernard and Gravity   1 73 11.03
17
1
3111 Stabards   3 160 43.10
12
23
243 Stable Marriage Problem   12 1543 40.56
19
22
3359 Stack   45 15.60
22553 Stack Overflow   5 132 26.41
12
10
40636 Stacks of boxes   2 45 27.62
26
34
7851 Stacks of Zippy   1 17 16.80
34
34
10079 Stammering Aliens   1 142 31.89
17
17
3375 Stamps   28 13731 41.75
5
3
4307 Stamps   27 40.00
6169 Standing Sequence   2 118 28.49
34
39
21176 Stapled intervals   51 60.00
25158 Star   15 310 34.43
12
19
3915 Star Polygon or Not   1 38 55.06
17
17
4585 Star Wars   1 74 35.09
2643 Starcraft I   54 22.25
3972 Stargates   45 13.29
4785 Starship   10 28.80
16793 Statistics Applied   2 208 21.39
22
17
741 Steady Cow Assignment   5 484 31.45
20
29
9858 Štef and Barica   2 73 36.92
34
17
22337 Stick values   9 110 30.40
22
24
19382 Stock   2 96 32.18
26
34
7779 Stock Chase   71 29.55
17
17

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