list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1837 Pie   60 3786 30.36
18
15
18164 Atoms in the Lab   32 3796 25.74
8
5
10798 Wachovia Bank   58 3798 46.92
7
9
11373 Coke madness   37 3800 34.87
5
8
9722 Insertion Sort   28 3821 30.67
12
12
63 Square Brackets   92 3834 56.89
14
18
10442 Candy Distribution   22 3910 37.53
2
4
3921 The Great Ball   60 3922 39.08
7
11
6297 Decipher   -1 3975 44.65
8
6
3749 Subset Sums   73 3996 26.28
17
20
1435 Vertex Cover   128 4015 34.07
15
18
66 Cross-country   38 4053 64.52
11
12
1728 Common Permutation   26 4115 46.47
6
6
9032 Cube Free Numbers   65 4117 31.68
12
11
9655 Elevator Trouble   94 4146 32.08
11
11
7259 Light Switching   102 4243 32.71
16
15
64 Permutations   98 4266 51.96
12
20
3381 Highways   77 4306 37.92
10
9
10401 Aliens at the train   85 4351 29.25
13
10
1786 In Danger   49 4360 53.58
7
13
913 Query on a tree II   115 4362 20.67
24
21
8 Complete the Sequence!   31 4365 37.94
16
19
8319 GLJIVE   -85 4382 35.16
2
5
14956 Submerging Islands   104 4386 39.70
13
13
21524 Pattern Find   78 4392 38.14
10
13
370 Ones and zeros   149 4437 29.99
19
22
18155 abs(a-b) I   60 4468 48.13
4
9
423 Assignments   242 4606 33.51
18
21
2738 Number Guessing Game   42 4626 62.56
8
13
7676 Sum of Digits   103 4747 38.58
17
20
7804 Defense of a Kingdom   38 4823 25.35
10
12
7975 Tri graphs   86 4825 29.07
11
10
16487 Update the array !   164 4849 38.58
9
14
288 Prime or Not   73 4912 18.77
21
22
2905 Not a Triangle   92 4963 38.63
11
11
10565 Alice Sieve   31 5005 53.34
2
7
1296 4 values whose sum is 0   63 5049 24.87
18
14
3946 K-th Number   237 5065 34.36
25
27
3885 Coins Game   92 5134 46.07
10
13
16420 Even Numbers   40 5212 47.97
6
5
1026 Favorite Dice   42 5217 63.43
4
21
10380 prayatna PR   86 5218 43.37
6
6
3266 K-query   237 5252 24.77
21
25
8785 Cut the Silver Bar   52 5262 54.48
5
16
38 Labyrinth   97 5278 25.74
17
16
5117 Wine trading in Gergovia   76 5292 34.03
9
12
6171 Majority   35 5307 43.13
6
7
25 Pouring water   99 5327 24.12
19
22
7588 Wise And Miser   69 5348 67.82
8
10
1845 Mice and Maze   99 5361 36.02
10
10

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