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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
34945 Euler Puzzle   11 138 38.49
8
17
37402 The Attack Titan   5 138 27.50
8
6
107 Calendar of the Maya   5 137 44.42
21
17
401 Translations   137 38.07
17
34
5831 Permutation Jumping   137 59.48
9857 Eight Directions Crossword   137 14.94
19291 Structures   4 137 28.38
11
17
28607 Descending Alternating Sums   9 137 38.38
10
16
30757 Ada and Carrot   6 137 35.25
17
34
36583 Game of Square   12 137 28.32
11
11
69 Moulds   2 136 34.99
12
12
1475 Play with Digit Seven   3 136 38.22
28
12
1479 The GbAaY Kingdom   1 136 19.18
30
38
2056 Rectangular Polygon   1 136 48.14
1
17
13651 Check   3 136 42.99
9
1
14845 Center of Mass   2 136 26.73
17
1
16283 Treasure Island   5 136 24.94
17
15
19991 In case of failure   3 136 40.19
34
34
22553 Stack Overflow   5 136 26.56
12
10
26685 I Love Kd-Trees II   6 136 36.00
21
23
31428 Fibonacci Polynomial   10 136 36.75
19
21
208 Store-keeper   2 135 15.52
34
26
479 Permutation generator   1 135 28.24
21
17
5542 Counting pairs   4 135 26.54
39
36
7025 Roads in Berland   1 135 33.29
17
34
10114 Remoteland   3 135 56.00
34
28
21572 Marble & store   3 135 19.58
17
15
31279 Eat Pray Love   6 135 61.99
6
20
7186 Counting Pascal   2 134 29.77
17
17
30759 Ada and Species   10 134 26.56
27
31
396 Hit or Miss   133 43.10
1
1
2047 Stone Removing Game   -1 133 37.96
3961 Journey with Pigs   133 41.31
88 Which is Next   1 132 19.44
34
34
6264 Rank of a Fraction   4 132 31.92
12
34
8991 Number Guessing Game 2   3 132 35.60
17
42
10377 project groups   132 51.55
34
34
27102 Swap Space   1 132 39.11
1
17
757 Thermal Luminescence   131 37.64
1
1
1839 The Bookcase   2 131 37.88
17
34
6950 A HUGE TOWER   1 131 48.34
1
34
11178 Save money for YTU   2 131 44.13
13
13
15266 III Powers   4 131 63.12
20
22
25803 Help BTW   3 131 12.46
17
26
34619 Pizza Prize   7 131 46.88
14
12
109 Exchanges   1 130 43.31
34
217 Soldiers on Parade   2 130 28.09
17
12
4178 Distance on a square lattice   130 54.41
4588 SETI   130 66.67
9964 Fibonacci vs Polynomial   6 130 40.90
24
34

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