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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
339 Recursive Sequence   75 3630 50.10
20
17
2939 Query on a tree V   75 1723 27.82
29
30
5117 Wine trading in Gergovia   76 5308 33.96
9
12
9494 Just Add It   76 6214 47.86
11
10
3381 Highways   77 4328 37.92
10
9
3871 GCD Extreme   78 2543 29.59
18
26
10509 Cards   78 13368 34.10
4
4
91 Two squares or not two squares   79 6000 24.55
11
14
154 Sweet and Sour Rock   79 3407 51.36
14
17
21357 Crucial Equation   79 6014 38.18
4
9
21524 Pattern Find   79 4457 38.14
10
13
3405 Almost Shortest Path   80 1661 31.58
22
21
5971 LCM Sum   81 3553 25.81
20
29
328 Bishops   82 8916 32.00
14
7
10232 Distinct Primes   83 5790 45.52
10
9
23776 K-Query Online   83 1884 40.35
20
24
1112 Number Steps   84 33710 43.23
4
4
10401 Aliens at the train   85 4358 29.25
13
10
5295 Adjacent Bit Counts   86 3549 65.79
14
18
7718 Number of common divisors   86 6791 25.01
12
13
7975 Tri graphs   86 4834 29.09
11
10
10380 prayatna PR   86 5227 43.32
6
6
2884 Martian Mining   87 2270 47.78
13
22
130 Rent your airplane and make money   88 3338 28.60
18
17
3643 Traffic Network   89 2091 18.29
18
21
7733 Happy Numbers I   89 9342 53.38
8
8
400 To and Fro   90 23244 55.52
14
7
694 Distinct Substrings   91 5512 26.38
21
24
7424 Girls and Boys   91 12220 46.94
4
10
63 Square Brackets   92 3840 56.87
14
18
3885 Coins Game   92 5159 46.03
10
13
6818 Capital City   92 2708 38.95
19
20
9493 Advanced Fruits   92 2229 37.44
19
16
2905 Not a Triangle   93 4982 38.65
11
11
2416 Distinct Subsequences   94 3694 36.22
12
22
2123 Candy I   96 28459 44.22
4
5
9655 Elevator Trouble   96 4161 32.23
11
11
38 Labyrinth   97 5286 25.76
17
16
64 Permutations   98 4273 51.97
12
20
181 Scuba diver   98 3786 25.94
18
18
368 Cobbled streets   98 5376 50.76
13
12
1845 Mice and Maze   99 5380 36.02
10
10
25 Pouring water   100 5351 24.15
19
22
7259 Light Switching   102 4302 32.91
16
15
42 Adding Reversed Numbers   103 76288 48.39
6
4
7676 Sum of Digits   103 4759 38.57
17
20
2157 Anti-Blot System   104 12917 45.25
10
5
14956 Submerging Islands   104 4422 39.61
13
13
1030 Triple Fat Ladies   106 19023 51.74
4
12
1684 Frequent values   111 3770 27.67
20
21

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