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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
11830 DOJO Corridor I   -1 32 31.47
50
34
10328 TRIVIADOR   4 174 31.47
14
20
13376 The new President   4 392 31.47
11
11
13769 Roommate Agreement   52 1493 31.45
11
16
11202 Number Theory   37 31.44
39
39
4656 Cross Mountain Climb   1 72 31.44
17
34
9722 Insertion Sort   28 4082 31.43
12
12
2051 Cell Phone   4 161 31.43
28
36
6624 Snowball Game   4 53 31.43
17
26
10699 Symmetry   1 31 31.43
17
34
27521 Domino's effect   1 15 31.43
1
9
110 Fill the Cisterns   29 1425 31.42
21
20
8917 How Many Plusses   7 183 31.41
11
14
4061 Polygon   4 215 31.41
21
17
40639 Escape the New America   3 33 31.40
17
17
7425 Hackers   4 174 31.38
26
17
3112 Strings   1 269 31.38
17
34
7602 New Game with a Chess Piece   4 231 31.37
17
34
15062 Bacteria   1 16 31.37
34
50
27101 String Theory   2 28 31.37
9
17
3405 Almost Shortest Path   79 1714 31.37
22
21
10283 ALL IZZ WELL   70 3493 31.36
17
14
31902 Paragliding Trip   1 25 31.36
17
34
10623 ZNANSTVENIK   2 261 31.34
17
26
12277 The Trip   118 31.34
17
17
34908 Cheesy line   7 66 31.34
4
14
5156 Flowers Placement   43 31.33
11409 Fibonacci With a Twist   11 1011 31.32
15
20
35277 DNA of Elf   3 20 31.30
17
34
10453 Spring Loaded   -2 160 31.30
17
34
34374 Samvel and Boxes   4 55 31.29
34
34
25967 Social Network Community   31 1031 31.26
10
12
518 Zig-Zag Permutation   1 51 31.25
26
26
4785 Starship   16 31.25
15383 Transform the Expression (Again!)   7 31.25
40457 Mines of Moria   3 20 31.25
28
34
6285 Another Game With Numbers   32 1333 31.23
11
13
30347 Runner Game   5 261 31.22
6
19
16138 Deconnecting   1 62 31.22
1
9
13096 Amr Samir   5 921 31.21
9
10
9448 Swarm of Polygons   39 31.21
8100 Shifting Lights   2 229 31.20
17
17
14330 Power of Phi(medium)   1 165 31.20
17
26
17946 Mickey Mouse Magic Trick v6   2 42 31.18
9
26
41507 GCD Product Sum   8 52 31.17
9
21
21284 Can You Make It Empty 3   6 95 31.16
15
20
9693 Revenge of Fibonacci   2 97 31.16
34
34
62 The Imp   1 300 31.14
17
23
3533 Game on board   26 31.14
41944 BitPlay69   6 279 31.14
27
27

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