list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
21409 2x2 Subgrid Sum Problem (generalized)   1 6 17.02
21463 Arithmetic Rectangle   36 20.52
21585 Hazzat’s Query   79 25.88
21962 GREAT SWERC   22 57.78
21967 City Park   26 40.86
21969 Money Transfers   10 21.67
21970 Safe Secret   19 32.20
22002 English   18 19.51
22320 Polynomial Drawing   2 9.52
22530 Tinku got a job   21 20.92
23383 ISOMORPH   29 43.52
23435 Game Calculator   1 1.75
23882 Watchers On The Wall   32 20.47
25336 Eefun Plays Doto   4 8.74
25382 Meetings   20 17.87
25452 Teaching Hazard   11 33.33
25480 Invading aliens   19 18.35
25684 Jolly Kingdom   17 16.28
25818 NEKAMELEONI   16 11.40
25960 Cat and Mouse I   61 15.60
26181 Walking Jumper   5 24.24
26306 Pointers   26 33.33
26744 Coverage   27 36.94
27092 Balanced Diet   16 22.89
27093 Branch Assignment   29 39.58
27095 Clock Breaking   21 58.70
27096 Forever Young   1 33 23.81
27097 Longest Rivers   9 16.46
27099 Road Times   1 7 32.50
27103 What Really Happened on Mars?   10 38.46
27213 Periodic function, trip 5   11 55.58
27339 Queue of Soldiers   16 44.23
27491 Bidding Game   10 27.84
28009 Balance the parentheses   19 20.54
28456 Finding the way   21 10.62
28458 Drawing triangles   28 8.62
30351 Quest Hunter   15 23.81
31557 Halum and Candies   1 69 30.65
31755 Januarius, The Travelling Clairvoyant   25 29.14
31894 House Buying Optimizations   10 25.66
32065 Save Lord Tachanka   1 0 0.00
32529 Nearest Neighbor Search   1 21 32.76
32578 Meh and Mini Splendor   11 62.50
33022 Ada and Hose   29 49.19
33126 Ada and Lemon 1   20 43.17
33147 Ada and Lemon 2   13 47.22
33963 Ada and Palace Game   1 22 26.12
33976 Ada and Christmas   13 51.16
34021 Prefix Square Free Words   10 12.04
34032 Chiaki With Intervals   1 31 44.58

Most popular tags