list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10346 Streets of distortion   2 111 37.71
5
9
8132 Street Trees   33 3081 47.00
6
11
95 Street Parade   318 18629 29.08
14
11
5018 Street Gambler   31 47.83
3791 Street   8 669 51.43
10
13
10141 STRAZA   49 40.13
34
17
4761 Strategy game   2 44 55.64
9
17
30349 Strange Waca   9 45 20.53
17
22
1442 Strange Food Chain   19 960 19.81
22
25
7200 Strange Calendar   1 76 47.81
1
1
2050 Strange Billboard   10 805 60.55
13
29
208 Store-keeper   2 135 15.52
34
26
34551 Stopping-off Cities   6 73 18.01
26
23
2047 Stone Removing Game   -1 133 37.96
8059 Stocks Prediction   1 91 33.33
17
34
26790 Stockade   2 47 37.33
17
17
8629 Stock Prices   1 103 45.70
17
17
7779 Stock Chase   76 30.19
17
17
19382 Stock   2 99 32.39
26
34
22337 Stick values   12 130 41.66
21
23
9858 Štef and Barica   2 77 37.69
34
17
741 Steady Cow Assignment   5 534 32.90
20
29
16793 Statistics Applied   3 214 22.15
21
17
4785 Starship   16 31.25
3972 Stargates   49 14.12
2643 Starcraft I   58 22.30
4585 Star Wars   1 76 36.63
3915 Star Polygon or Not   1 40 54.74
17
17
25158 Star   15 314 34.60
12
19
21176 Stapled intervals   51 58.86
6169 Standing Sequence   2 122 28.60
34
39
3375 Stamps   29 13789 41.72
5
3
4307 Stamps   33 41.94
10079 Stammering Aliens   1 167 32.18
17
17
7851 Stacks of Zippy   1 19 16.41
34
34
40636 Stacks of boxes   2 54 29.96
26
34
22553 Stack Overflow   5 136 26.56
12
10
3359 Stack   50 16.63
243 Stable Marriage Problem   12 1567 40.71
19
22
3111 Stabards   3 166 43.65
12
23
19367 St Bernard and Gravity   1 75 11.04
17
1
8663 Squares Game   34 33.05
20931 Square-Free Product (Hard)   2 65 36.36
17
21
5911 Square-free Integers Factorization   1 20 30.67
17
34
4168 Square-free integers   14 788 46.27
16
21
11355 SQUARE TO SQUARE   23 18.22
245 Square Root   4 597 13.24
20
10
38294 Square Pentagon   5 114 44.29
17
24
35956 Square Free Number   8 69 38.31
20
17
8057 Square Free Factorization   16 1446 41.59
7
15

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