list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
27261 Matrices with XOR property   8 68 20.91
20
24
27267 Changus Final Battle   8 266 54.72
6
16
27317 Number of score sequences   8 84 48.54
14
19
27450 Changu with subsequences   8 38 36.31
17
24
29434 Counting WOW-Substrings2   8 107 45.20
13
19
30394 Prime is fun   8 87 35.71
22
24
30906 Ada and Unique Vegetable   8 492 35.53
28
24
31591 All in One   8 110 8.90
31
26
32079 Ada and Greenflies   8 212 45.50
13
32
32222 Ada and Panels   8 71 43.88
27
37
33795 Taskin and apple tree   8 322 27.49
6
6
34012 Adrita and Her Bike Ride   8 158 32.79
10
8
34260 Signpost reading   8 28 20.41
21
13
34373 Clickbait   8 25 33.93
32
19
34480 Profiling   8 97 28.64
8
8
34615 Sharmeen Loves Substring [ HARD ]   8 83 37.43
17
21
34621 NARUTO AND HILLS   8 48 38.03
20
15
34686 Meet Her Fast!   8 144 42.05
16
12
34736 Beautiful Girl   8 151 42.12
14
12
34864 Large Sum   8 236 18.39
12
12
35151 Beautiful Roll Numbers   8 75 65.19
15
8
35669 Consecutive Letters   8 586 26.82
17
20
35956 Square Free Number   8 69 38.31
20
17
36537 Koala Fan   8 50 25.36
13
10
36563 Hard Fibonacci   8 94 24.80
19
21
37387 Modulo Sequence   8 57 14.71
21
21
38602 Unique Sequence   8 73 46.49
8
12
39786 Selling Greeting Cards   8 98 25.62
10
11
41507 GCD Product Sum   8 52 31.17
9
21
108 Decoding Morse Sequences   7 973 25.04
24
17
388 Menu   7 352 19.00
25
16
703 Mobile Service   7 1175 23.17
23
23
861 Counting inversions   7 465 19.98
34
29
870 Basically Speaking   7 1449 43.96
6
6
1476 Maximum Profit   7 375 32.38
20
34
1787 Run Length Encoding   7 861 19.62
13
3
1875 Cool Numbers   7 169 30.30
34
34
3379 String Shuffle   7 400 65.69
17
14
3638 Word Counting   7 2643 21.08
10
6
3639 Lucky Numbers   7 733 34.15
13
9
3866 Finding Palindromes   7 257 19.62
19
23
3924 Filchs Dilemna   7 533 65.21
9
17
3928 Counting Digits   7 1314 46.64
22
26
3974 Another Tree Problem   7 647 32.53
15
23
3982 String problem   7 608 48.82
9
23
4038 Counting The Way of Bracket Replacement   7 442 38.74
26
21
4273 Train TimeTable   7 426 34.14
14
8
4483 Roads Repair   7 182 32.65
20
23
4485 MobiZone vs VinaGone   7 338 33.86
17
31
5091 Feline Olympics - Mouseball   7 600 39.35
7
15

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