list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4560 The Double HeLiX   147 8980 37.55
11
10
1478 The Easiest Problem   75 9.20
17
17
9970 The Egyptian Parliament   50 18.91
7035 The Embarrassed Cryptographer   5 358 32.25
13
13
13404 The Encrypted Password   168 36.28
17
17
1674 The Explosion   160 24.10
17
17
11577 The Famous ICPC Team Again   1 83 30.89
17
17
4324 The fate of the pineapple   46 28.98
14833 The Fox and the Wolf   17 26.81
17
17
14971 The Foxens Treasure   11 231 35.31
14
16
6043 The Game   13 944 39.60
3
19
9430 The game of 31   165 39.30
13
17
1705 The Game of Efil   91 50.00
1
1
12 The Game of Master-Mind   1 793 44.12
17
17
201 The Game of Polygons   1 256 39.01
1
17
1479 The GbAaY Kingdom   1 136 19.18
30
38
9856 The Glazier   72 47.16
9860 The Glazier 2   1 43 64.56
17
34
13046 The Glittering Caves of Aglarond   6 919 34.88
5
12
60 The Gordian Dance   3 238 39.74
12
45
13826 The Grandslam of Grandslams!   16 22.22
3921 The Great Ball   60 3951 39.19
7
11
10704 The Great Escape   1 36 28.72
34
34
11157 The Great Escape   83 45.79
1672 The Great Indian Wedding   52 26.03
1
1
21597 The Hack   1 21 12.94
1
34
30500 THE HONEYCOMB MAZE   16 653 27.24
17
15
6322 The hunt for Gollum   18 710 23.02
25
16
31756 The Idol   18 19.83
50
34
62 The Imp   1 300 31.14
17
23
1725 The Importance   101 38.54
17
17
11402 The Indian Connection   19 2298 36.29
8
14
16128 THE INDIAN OCEAN   3 53 9.67
27
27
3389 The Knights of the Round Circle   3 451 66.86
6
23
3442 The last digit   190 30123 26.99
9
8
5699 The last digit re-visited   39 7471 31.71
9
9
30827 THE LAST SHOT   9 659 29.07
9
7
23515 The Last String Bender   9 138 27.65
19
11
10701 The Lazy Gamer   17 14.00
417 The lazy programmer   9 654 20.29
21
23
6981 The Least Number   23 24.43
186 The lightest language   1 184 26.33
17
34
140 The Loner   160 21.49
34
17
139 The Long and Narrow Maze   1 211 20.16
17
17
23877 The Long Pile Game   36 25.38
17
17
8786 The Longest Chain of Domino Tiles   5 297 31.93
21
21
13049 The Loyalty of the Orcs   93 28.67
7807 The Lucky Prisoner   27 9.84
13078 The Mad Numerologist   1 198 32.65
17
17
20196 The Magical Bag   3 199 38.44
34
34

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