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 5771 45.50
10
9
9734 Hacking the random number generator   61 5724 38.82
8
6
247 Chocolate   74 5694 44.35
10
18
23 Pyramids   -20 5591 36.97
9
15
375 Query on a tree   163 5542 17.55
33
27
1163 Java vs C ++   17 5503 22.84
14
5
694 Distinct Substrings   91 5484 26.35
21
24
61 Brackets   174 5382 24.43
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 5361 36.03
10
10
7588 Wise And Miser   69 5348 67.81
8
10
25 Pouring water   99 5327 24.12
19
22
6171 Majority   35 5307 43.13
6
7
5117 Wine trading in Gergovia   76 5291 34.03
9
12
38 Labyrinth   97 5278 25.74
17
16
8785 Cut the Silver Bar   52 5261 54.48
5
16
3266 K-query   237 5248 24.78
21
25
10380 prayatna PR   86 5217 43.38
6
6
1026 Favorite Dice   42 5215 63.42
4
21
16420 Even Numbers   40 5212 47.97
6
5
3885 Coins Game   92 5132 46.08
10
13
3946 K-th Number   237 5057 34.35
25
27
1296 4 values whose sum is 0   63 5049 24.87
18
14
10565 Alice Sieve   31 5005 53.35
2
7
2905 Not a Triangle   92 4959 38.61
11
11
288 Prime or Not   73 4910 18.78
21
22
16487 Update the array !   164 4847 38.57
9
14
7975 Tri graphs   86 4825 29.07
11
10
7804 Defense of a Kingdom   38 4821 25.34
10
12
7676 Sum of Digits   103 4746 38.57
17
20
2738 Number Guessing Game   42 4626 62.56
8
13
423 Assignments   242 4606 33.51
18
21
18155 abs(a-b) I   60 4467 48.12
4
9
370 Ones and zeros   149 4437 29.99
19
22
21524 Pattern Find   78 4391 38.12
10
13
8319 GLJIVE   -85 4382 35.16
2
5
14956 Submerging Islands   104 4382 39.70
13
13
8 Complete the Sequence!   31 4365 37.96
16
19
913 Query on a tree II   115 4361 20.67
24
21
1786 In Danger   49 4360 53.58
7
13
10401 Aliens at the train   85 4351 29.25
13
10
3381 Highways   77 4305 37.92
10
9
64 Permutations   98 4266 51.96
12
20
7259 Light Switching   102 4242 32.71
16
15
9655 Elevator Trouble   94 4146 32.07
11
11
9032 Cube Free Numbers   65 4117 31.68
12
11
1728 Common Permutation   26 4114 46.46
6
6

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