list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2531 Spatial Concepts Test   1 74 66.39
17
34
13529 Special Graph   5 83 12.43
36
31
9103 Special Numbers   8 759 30.05
14
16
20926 Special Numbers (Reverse and Add)   1 21 11.94
26
26
18829 Special Set   8 118 27.10
11
26
9387 Special String   11 1113 39.63
6
19
4429 Spelling Lists   2 194 32.41
17
34
11900 Spelling Suggestion   8 12.86
16 Sphere in a tetrahedron   12 3552 55.22
11
16
7335 Spheres   3 129 9.54
17
39
12249 Spiderman vs Sandman   111 27.03
1
1
15609 Spiky Mazes   22 1056 35.12
15
12
392 Spin   44 26.63
1
17
23539 Split   3 35 13.84
17
17
900 Split Windows   33 56.45
17
1
8320 Spreadsheet scrolling   78 29.61
10453 Spring Loaded   -2 160 31.30
17
34
14031 Spring Primality   22 19.08
12804 Spy   1 6 12.24
50
50
41790 Spy Reloaded   6 8.43
13114 SQL Queries   2 16 52.63
63 Square Brackets   92 3892 56.76
14
18
1708 Square Count   75 30.98
131 Square dance   353 50.10
1
1
8057 Square Free Factorization   16 1446 41.59
7
15
35956 Square Free Number   8 69 38.31
20
17
38294 Square Pentagon   5 114 44.29
17
24
245 Square Root   4 597 13.24
20
10
11355 SQUARE TO SQUARE   23 18.22
4168 Square-free integers   14 788 46.27
16
21
5911 Square-free Integers Factorization   1 20 30.67
17
34
20931 Square-Free Product (Hard)   2 65 36.36
17
21
8663 Squares Game   34 33.05
19367 St Bernard and Gravity   1 75 11.04
17
1
3111 Stabards   3 166 43.65
12
23
243 Stable Marriage Problem   12 1567 40.71
19
22
3359 Stack   50 16.63
22553 Stack Overflow   5 136 26.56
12
10
40636 Stacks of boxes   2 54 29.96
26
34
7851 Stacks of Zippy   1 19 16.41
34
34
10079 Stammering Aliens   1 167 32.18
17
17
3375 Stamps   29 13789 41.72
5
3
4307 Stamps   33 41.94
6169 Standing Sequence   2 122 28.60
34
39
21176 Stapled intervals   51 58.86
25158 Star   15 314 34.60
12
19
3915 Star Polygon or Not   1 40 54.74
17
17
4585 Star Wars   1 76 36.63
2643 Starcraft I   58 22.30
3972 Stargates   49 14.12

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