list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13043 The Mirror of Galadriel   33 5923 64.36
2
3
10232 Distinct Primes   84 5798 45.47
10
9
10239 Between the Mountains   36 5779 39.11
7
7
9734 Hacking the random number generator   61 5768 38.82
8
6
247 Chocolate   74 5745 44.23
10
18
23 Pyramids   -20 5608 36.91
9
15
375 Query on a tree   163 5574 17.52
33
27
694 Distinct Substrings   91 5519 26.38
21
24
1163 Java vs C ++   17 5507 22.85
14
5
61 Brackets   175 5402 24.43
19
20
1845 Mice and Maze   99 5397 36.03
10
10
10394 Buying Apples!   72 5383 34.91
12
14
368 Cobbled streets   98 5378 50.77
13
12
7588 Wise And Miser   69 5375 67.79
8
10
25 Pouring water   100 5368 24.18
19
22
3266 K-query   241 5337 24.78
21
25
5117 Wine trading in Gergovia   76 5325 33.93
9
12
6171 Majority   35 5309 43.13
6
7
38 Labyrinth   97 5286 25.75
17
16
8785 Cut the Silver Bar   52 5275 54.45
5
16
1026 Favorite Dice   42 5244 63.51
4
21
10380 prayatna PR   86 5228 43.32
6
6
16420 Even Numbers   40 5228 48.02
6
5
3885 Coins Game   92 5185 46.02
10
13
3946 K-th Number   238 5135 34.49
25
27
1296 4 values whose sum is 0   64 5059 24.87
18
14
10565 Alice Sieve   31 5008 53.30
2
7
2905 Not a Triangle   93 4983 38.62
11
11
288 Prime or Not   73 4959 18.79
21
22
16487 Update the array !   165 4883 38.63
9
14
7804 Defense of a Kingdom   39 4874 25.31
10
12
7975 Tri graphs   87 4835 29.09
11
10
7676 Sum of Digits   103 4774 38.56
17
20
423 Assignments   242 4641 33.55
18
21
2738 Number Guessing Game   42 4628 62.56
8
13
21524 Pattern Find   79 4503 38.06
10
13
18155 abs(a-b) I   61 4488 48.09
5
9
370 Ones and zeros   149 4453 30.03
19
22
14956 Submerging Islands   104 4447 39.62
13
13
913 Query on a tree II   117 4408 20.71
24
21
8319 GLJIVE   -85 4384 35.15
2
5
8 Complete the Sequence!   32 4380 37.72
16
18
10401 Aliens at the train   85 4368 29.20
13
10
1786 In Danger   49 4364 53.59
7
13
3381 Highways   77 4339 37.94
10
9
7259 Light Switching   102 4311 32.93
16
15
64 Permutations   98 4288 51.95
12
20
9655 Elevator Trouble   96 4167 32.25
11
11
1728 Common Permutation   26 4145 46.51
6
6
9032 Cube Free Numbers   65 4118 31.66
12
11

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