list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13043 The Mirror of Galadriel   33 5908 64.50
2
3
10232 Distinct Primes   83 5790 45.52
10
9
10239 Between the Mountains   36 5776 39.11
7
7
9734 Hacking the random number generator   61 5739 38.85
8
6
247 Chocolate   74 5717 44.30
10
18
23 Pyramids   -20 5597 36.94
9
15
375 Query on a tree   163 5564 17.52
33
27
694 Distinct Substrings   91 5509 26.38
21
24
1163 Java vs C ++   17 5505 22.85
14
5
61 Brackets   175 5392 24.43
19
20
1845 Mice and Maze   99 5377 36.01
10
10
10394 Buying Apples!   72 5376 34.91
12
14
368 Cobbled streets   98 5375 50.76
13
12
7588 Wise And Miser   69 5360 67.82
8
10
25 Pouring water   100 5348 24.15
19
22
5117 Wine trading in Gergovia   76 5307 33.96
9
12
6171 Majority   35 5307 43.13
6
7
38 Labyrinth   97 5286 25.76
17
16
3266 K-query   237 5279 24.78
21
25
8785 Cut the Silver Bar   52 5269 54.48
5
16
1026 Favorite Dice   42 5233 63.48
4
21
10380 prayatna PR   86 5224 43.31
6
6
16420 Even Numbers   40 5223 48.00
6
5
3885 Coins Game   92 5152 46.04
10
13
3946 K-th Number   237 5096 34.41
25
27
1296 4 values whose sum is 0   63 5056 24.87
18
14
10565 Alice Sieve   31 5007 53.30
2
7
2905 Not a Triangle   93 4978 38.63
11
11
288 Prime or Not   73 4932 18.77
21
22
16487 Update the array !   164 4868 38.60
9
14
7804 Defense of a Kingdom   39 4842 25.34
10
12
7975 Tri graphs   86 4834 29.09
11
10
7676 Sum of Digits   103 4755 38.56
17
20
2738 Number Guessing Game   42 4626 62.56
8
13
423 Assignments   242 4616 33.53
18
21
18155 abs(a-b) I   61 4473 48.13
5
9
21524 Pattern Find   79 4453 38.18
10
13
370 Ones and zeros   149 4443 30.01
19
22
14956 Submerging Islands   104 4417 39.61
13
13
913 Query on a tree II   117 4384 20.71
24
21
8319 GLJIVE   -85 4383 35.15
2
5
8 Complete the Sequence!   32 4374 37.86
16
18
1786 In Danger   49 4363 53.59
7
13
10401 Aliens at the train   85 4357 29.26
13
10
3381 Highways   77 4328 37.92
10
9
7259 Light Switching   102 4294 32.89
16
15
64 Permutations   98 4271 51.95
12
20
9655 Elevator Trouble   95 4158 32.23
11
11
1728 Common Permutation   26 4145 46.50
6
6
9032 Cube Free Numbers   65 4117 31.67
12
11

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