list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10107 Cybercrime Donut Investigation   2 56 25.17
34
42
31974 Ada and Birthday   4 47 25.16
21
14
2274 Island Hopping   1 207 25.14
17
1
1267 Origin of Life   41 25.10
34
1
682 Pairs of Integers   208 25.08
1
1
3007 Oil Company   3 178 25.08
23
28
1557 Can you answer these queries II   26 1793 25.06
28
35
8839 Longest Common Difference Subsequence   3 75 25.06
34
39
421 Another Road Problem   71 25.06
17
34
10128 Treasures and Vikings   -1 82 25.06
17
17
32439 Ada and Bloom   2 59 25.06
17
34
699 Huge Knap Sack   1 141 25.06
9
9
30785 Ada and Apple   12 209 25.05
29
23
14507 GAME2   10 104 25.04
12
11
108 Decoding Morse Sequences   7 973 25.04
24
17
3023 Binary multiplication   3 229 25.04
17
17
7010 Police Business   6 25.00
8846 Fudan Extracurricular Lives   7 25.00
10930 Dixon Dominoes   1 22 25.00
1
1
14848 Boxlings   20 25.00
17143 Make Psycho   2 227 25.00
34
9
21068 Popular   3 48 25.00
34
50
32202 Share It   17 25.00
1
1
29695 GO GOA GONE   25 901 24.99
12
13
2731 Inventing Test Data   4 555 24.97
15
28
25584 Factorial Modulo   25 425 24.95
10
15
16283 Treasure Island   5 136 24.94
17
15
14955 Dancing Cows   24 597 24.92
15
22
1296 4 values whose sum is 0   64 5121 24.92
18
14
5832 AND Rounds   51 1702 24.89
17
20
9242 B Beware, the end of the world   1 32 24.88
17
17
3872 Party At School   1 58 24.87
34
34
3261 Race Against Time   38 1181 24.86
21
21
8627 I2C   35 24.85
20987 Sequence   2 31 24.85
9
17
6824 Flag   1 78 24.84
34
34
90 Minimizing maximizer   3 389 24.84
17
26
8849 Imitation   28 24.82
1325 Partial Sums   2 226 24.81
9
1
11895 DONALDO   7 518 24.81
11
13
2426 Palindromes   10 1026 24.80
16
15
36563 Hard Fibonacci   8 94 24.80
19
21
185 Chase   2 221 24.80
1
26
1748 Sequence Partitioning II   2 60 24.76
26
34
2160 Here-There   30 24.76
5530 Math with Bases (Easy)   2 67 24.73
26
9
839 Optimal Marks   8 862 24.73
25
34
15994 Boxes of Chocolate   1 92 24.72
17
17
15556 Count right angle triangles   3 53 24.70
34
42
91 Two squares or not two squares   79 6097 24.70
11
14

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