list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13043 The Mirror of Galadriel   33 5944 64.42
2
3
247 Chocolate   74 5854 43.72
10
18
10232 Distinct Primes   85 5853 45.50
10
9
9734 Hacking the random number generator   61 5823 38.92
8
6
10239 Between the Mountains   36 5796 39.14
7
7
375 Query on a tree   165 5674 17.54
33
27
23 Pyramids   -20 5655 36.81
9
15
3266 K-query   243 5631 24.94
21
25
694 Distinct Substrings   91 5629 26.50
21
24
1163 Java vs C ++   17 5512 22.85
14
5
10394 Buying Apples!   72 5508 34.84
12
14
61 Brackets   175 5455 24.41
19
20
1845 Mice and Maze   100 5453 36.06
10
10
25 Pouring water   100 5442 24.24
19
22
7588 Wise And Miser   69 5421 67.83
8
10
3946 K-th Number   240 5417 34.84
25
27
368 Cobbled streets   98 5395 50.82
13
12
1026 Favorite Dice   42 5374 63.72
4
21
5117 Wine trading in Gergovia   76 5364 33.81
9
12
8785 Cut the Silver Bar   52 5325 54.42
5
16
6171 Majority   35 5321 43.14
6
7
38 Labyrinth   98 5317 25.77
18
16
3885 Coins Game   92 5285 45.58
10
13
16420 Even Numbers   40 5252 48.08
6
5
10380 prayatna PR   86 5247 43.28
6
6
288 Prime or Not   73 5110 18.96
21
22
1296 4 values whose sum is 0   64 5075 24.89
18
14
10565 Alice Sieve   31 5048 53.41
2
7
2905 Not a Triangle   93 5018 38.66
11
11
7804 Defense of a Kingdom   39 5009 25.21
10
12
16487 Update the array !   165 4940 38.61
9
14
7676 Sum of Digits   105 4852 38.54
17
20
7975 Tri graphs   87 4842 29.10
11
10
423 Assignments   242 4723 33.51
18
21
21524 Pattern Find   80 4684 38.11
10
13
2738 Number Guessing Game   42 4630 62.53
8
13
18155 abs(a-b) I   61 4545 48.01
5
9
14956 Submerging Islands   105 4540 39.73
13
13
913 Query on a tree II   117 4517 20.66
23
21
370 Ones and zeros   150 4471 30.01
19
22
7259 Light Switching   103 4464 33.49
16
15
8 Complete the Sequence!   32 4419 37.23
16
18
10401 Aliens at the train   85 4396 29.22
13
10
3381 Highways   77 4394 38.01
10
9
8319 GLJIVE   -85 4394 35.20
2
5
1786 In Danger   49 4370 53.61
7
13
64 Permutations   98 4336 52.01
12
20
9655 Elevator Trouble   96 4213 32.27
11
11
1728 Common Permutation   26 4166 46.59
6
6
9032 Cube Free Numbers   65 4132 31.68
12
11

Most popular tags