list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13043 The Mirror of Galadriel   33 5902 64.48
2
3
10239 Between the Mountains   36 5772 39.10
7
7
10232 Distinct Primes   83 5768 45.48
10
9
9734 Hacking the random number generator   61 5723 38.84
8
6
247 Chocolate   74 5693 44.36
10
18
23 Pyramids   -20 5590 36.99
9
15
375 Query on a tree   164 5532 17.56
33
27
1163 Java vs C ++   17 5503 22.84
14
5
694 Distinct Substrings   91 5478 26.36
21
24
61 Brackets   174 5381 24.42
19
20
368 Cobbled streets   98 5374 50.75
13
12
10394 Buying Apples!   72 5365 34.93
12
14
1845 Mice and Maze   98 5353 36.03
10
10
7588 Wise And Miser   69 5344 67.81
8
10
25 Pouring water   99 5326 24.12
19
22
6171 Majority   35 5307 43.13
6
7
5117 Wine trading in Gergovia   76 5283 34.10
9
12
38 Labyrinth   97 5278 25.74
17
16
8785 Cut the Silver Bar   52 5260 54.47
5
16
3266 K-query   236 5236 24.76
21
25
10380 prayatna PR   86 5215 43.37
6
6
1026 Favorite Dice   42 5212 63.41
4
21
16420 Even Numbers   40 5211 47.97
6
5
3885 Coins Game   92 5130 46.07
10
13
1296 4 values whose sum is 0   63 5049 24.87
18
14
3946 K-th Number   237 5045 34.34
25
27
10565 Alice Sieve   31 5005 53.35
2
7
2905 Not a Triangle   92 4959 38.61
11
11
288 Prime or Not   73 4908 18.77
21
22
16487 Update the array !   164 4845 38.60
9
14
7975 Tri graphs   86 4825 29.07
11
10
7804 Defense of a Kingdom   38 4809 25.34
10
12
7676 Sum of Digits   103 4745 38.57
17
20
2738 Number Guessing Game   42 4626 62.56
8
13
423 Assignments   242 4604 33.54
18
21
18155 abs(a-b) I   60 4466 48.13
4
9
370 Ones and zeros   149 4437 29.99
19
22
21524 Pattern Find   78 4385 38.11
10
13
8319 GLJIVE   -85 4381 35.16
2
5
14956 Submerging Islands   104 4379 39.70
13
13
8 Complete the Sequence!   31 4362 37.98
16
19
1786 In Danger   49 4360 53.59
7
13
913 Query on a tree II   115 4358 20.67
24
21
10401 Aliens at the train   85 4349 29.27
13
10
3381 Highways   77 4301 37.91
10
9
64 Permutations   98 4264 51.98
12
20
7259 Light Switching   102 4234 32.68
16
15
9655 Elevator Trouble   94 4145 32.06
11
11
9032 Cube Free Numbers   65 4116 31.68
12
11
1728 Common Permutation   26 4104 46.51
6
6

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