list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13043 The Mirror of Galadriel   33 5907 64.49
2
3
10232 Distinct Primes   83 5786 45.50
10
9
10239 Between the Mountains   36 5776 39.11
7
7
9734 Hacking the random number generator   61 5737 38.84
8
6
247 Chocolate   74 5712 44.33
10
18
23 Pyramids   -20 5597 36.94
9
15
375 Query on a tree   163 5562 17.53
33
27
694 Distinct Substrings   91 5505 26.38
21
24
1163 Java vs C ++   17 5505 22.85
14
5
61 Brackets   175 5392 24.44
19
20
1845 Mice and Maze   99 5376 36.02
10
10
368 Cobbled streets   98 5375 50.76
13
12
10394 Buying Apples!   72 5373 34.91
12
14
7588 Wise And Miser   69 5356 67.79
8
10
25 Pouring water   100 5344 24.13
19
22
6171 Majority   35 5307 43.13
6
7
5117 Wine trading in Gergovia   76 5305 33.97
9
12
38 Labyrinth   97 5286 25.76
17
16
3266 K-query   237 5276 24.79
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 5221 48.01
6
5
3885 Coins Game   92 5149 46.07
10
13
3946 K-th Number   237 5094 34.42
25
27
1296 4 values whose sum is 0   63 5054 24.88
18
14
10565 Alice Sieve   31 5007 53.32
2
7
2905 Not a Triangle   93 4978 38.64
11
11
288 Prime or Not   73 4929 18.77
21
22
16487 Update the array !   164 4866 38.59
9
14
7804 Defense of a Kingdom   39 4840 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 4614 33.54
18
21
18155 abs(a-b) I   61 4472 48.13
5
9
370 Ones and zeros   149 4443 30.01
19
22
21524 Pattern Find   79 4443 38.15
10
13
14956 Submerging Islands   104 4414 39.62
13
13
8319 GLJIVE   -85 4383 35.15
2
5
913 Query on a tree II   117 4382 20.71
24
21
8 Complete the Sequence!   32 4373 37.86
16
18
1786 In Danger   49 4363 53.59
7
13
10401 Aliens at the train   85 4356 29.25
13
10
3381 Highways   77 4328 37.92
10
9
7259 Light Switching   102 4287 32.86
16
15
64 Permutations   98 4271 51.95
12
20
9655 Elevator Trouble   95 4157 32.23
11
11
1728 Common Permutation   26 4145 46.50
6
6
9032 Cube Free Numbers   65 4117 31.67
12
11

Most popular tags