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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18 The Bytelandian Cryptographer (Act II)   4 666 29.54
25
1
28457 Correlations   5 92 29.53
9
13
2150 Counting Subsequences   13 1025 29.52
9
13
3871 GCD Extreme   79 2694 29.52
19
26
10113 Regular Convex Polygon   95 29.50
4568 Rotating Rings   1 288 29.48
17
17
25337 Eefun is not so Fun   2 155 29.47
5
26
303 The Unstable Cube   1 47 29.44
17
1
15242 Betos Quest   1 26 29.44
34
26
7973 Sometimes, a penalty is good!   5 1197 29.43
6
8
13881 FUN WITH LETTERS   6 231 29.42
13
26
12806 Blackjack   4 29.41
18511 Cartman and Butters Game   15 29.41
11577 The Famous ICPC Team Again   1 68 29.39
17
17
40083 Just Primes   11 111 29.39
15
17
1797 Cardsharper   2 7 29.39
34
45
3941 Kth Shortest Path   26 29.38
8222 Substrings   6 1243 29.38
23
26
17730 Maximum Radius   111 29.38
1
1
9125 Suiting Weavers   84 29.38
11601 With a Pit of Death   3 483 29.38
8
11
10506 Prendonians   50 29.35
10919 I Hate Parenthesis   92 29.33
17
1
22804 Knapsack   4 52 29.33
21
23
34909 Keyword Finder   103 29.32
6
4
5980 Matrix Game   14 948 29.31
8
20
5978 Frequent Prime Ranges   10 698 29.30
14
14
2179 ICPC Scoreboard   1 175 29.30
17
17
9748 Palindromes   1 91 29.27
34
34
12563 Halt The War   8 389 29.27
19
19
3310 Serial Numbers   1 34 29.27
34
17
1554 Zoo   110 29.26
3899 Finding Fractions   1 166 29.25
17
34
17261 Bank robbery   3 246 29.25
17
21
7861 UFO   1 34 29.24
17
17
8980 Cost   46 1173 29.24
19
26
16279 Escaping from escaping   4 168 29.24
12
23
7740 Fence   19 29.23
1421 Goods   140 29.23
1
34
10401 Aliens at the train   85 4385 29.22
13
10
4580 ABCDEF   218 7819 29.22
14
16
3931 Maximum Triangle Area   2 281 29.22
5
28
4206 Fast Maximum Matching   30 1966 29.21
22
19
20673 Count The Indexes   7 242 29.20
17
30
9050 Tohu again   2 855 29.19
17
12
3314 Umnozak   105 29.17
42
17
21672 Frustrated CR and His Class   3 42 29.17
17
17
40945 Internet Spamming   4 20 29.17
17
17
18714 Can You Make It Empty 2   15 1318 29.16
8
11
31502 University Homework   5 55 29.16
20
6

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