list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13043 The Mirror of Galadriel   33 5905 64.49
2
3
10232 Distinct Primes   83 5777 45.49
10
9
10239 Between the Mountains   36 5774 39.11
7
7
9734 Hacking the random number generator   61 5726 38.83
8
6
247 Chocolate   74 5697 44.35
10
18
23 Pyramids   -20 5593 36.97
9
15
375 Query on a tree   163 5546 17.54
33
27
1163 Java vs C ++   17 5503 22.84
14
5
694 Distinct Substrings   91 5486 26.35
21
24
61 Brackets   174 5382 24.42
19
20
368 Cobbled streets   98 5375 50.76
13
12
10394 Buying Apples!   72 5368 34.91
12
14
1845 Mice and Maze   99 5366 36.03
10
10
7588 Wise And Miser   69 5350 67.83
8
10
25 Pouring water   99 5327 24.11
19
22
6171 Majority   35 5307 43.13
6
7
5117 Wine trading in Gergovia   76 5296 34.00
9
12
38 Labyrinth   97 5279 25.75
17
16
8785 Cut the Silver Bar   52 5262 54.48
5
16
3266 K-query   237 5256 24.78
21
25
1026 Favorite Dice   42 5222 63.45
4
21
10380 prayatna PR   86 5218 43.37
6
6
16420 Even Numbers   40 5212 47.97
6
5
3885 Coins Game   92 5137 46.08
10
13
3946 K-th Number   237 5069 34.37
25
27
1296 4 values whose sum is 0   63 5049 24.87
18
14
10565 Alice Sieve   31 5005 53.33
2
7
2905 Not a Triangle   92 4974 38.64
11
11
288 Prime or Not   73 4914 18.78
21
22
16487 Update the array !   164 4852 38.58
9
14
7804 Defense of a Kingdom   38 4829 25.36
10
12
7975 Tri graphs   86 4827 29.08
11
10
7676 Sum of Digits   103 4747 38.59
17
20
2738 Number Guessing Game   42 4626 62.56
8
13
423 Assignments   242 4607 33.51
18
21
18155 abs(a-b) I   60 4471 48.14
4
9
370 Ones and zeros   149 4437 29.99
19
22
21524 Pattern Find   78 4401 38.13
10
13
14956 Submerging Islands   104 4388 39.69
13
13
8319 GLJIVE   -85 4382 35.16
2
5
8 Complete the Sequence!   31 4365 37.92
16
19
913 Query on a tree II   115 4363 20.68
24
21
1786 In Danger   49 4360 53.58
7
13
10401 Aliens at the train   85 4354 29.25
13
10
3381 Highways   77 4309 37.93
10
9
64 Permutations   98 4267 51.97
12
20
7259 Light Switching   102 4255 32.75
16
15
9655 Elevator Trouble   94 4148 32.09
11
11
1728 Common Permutation   26 4123 46.49
6
6
9032 Cube Free Numbers   65 4117 31.68
12
11

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