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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4483 Roads Repair   7 182 32.65
20
23
7189 Falta Envido   1 182 36.33
17
17
11165 Magic Strawberries   3 182 22.98
5
13
28286 Archery Training   7 182 33.13
6
13
32840 Ada and Digits   15 182 41.20
20
18
4882 Counting in a DAG   6 181 11.97
17
26
18094 Robert Langdon & Florence   1 181 64.31
28
23
410 Variable Radix Huffman Encoding   1 180 19.26
1
1
2179 ICPC Scoreboard   1 180 29.76
17
17
6738 Nice Quadrangles   180 40.97
16210 Impossible Boss   10 180 21.68
21
22
105 Alice and Bob   3 179 26.74
42
42
9721 2s Complement   1 179 32.17
34
34
9968 Magic Crystals and Laser Beams   179 23.53
31099 Ada and CAPTCHA   9 179 17.31
20
16
34536 MultiSort   4 179 21.36
8
4
34617 Palindrome Lover   2 179 25.25
3
3
3007 Oil Company   3 178 25.08
23
28
5453 Air Strike   2 178 23.78
17
17
6356 Rock-Paper-Scissors-Lizard-Spock   2 178 42.29
12
23
14929 Subsequence   2 178 12.79
10
15
15310 Peter Quest   1 178 49.05
17
17
6805 Counter attack   3 177 60.98
17
17
24957 Petya Brother and Repairment of Roads   9 177 28.28
24
24
1876 Dragon Curves   2 176 50.23
1
17
5446 Fishing Net   176 31.96
7758 Growing Strings   176 32.39
8910 Probablistic OR   2 176 58.46
17
30
10611 Ranges   2 176 19.62
9
9
16607 Sweets   3 176 32.92
26
34
3890 Rectangles Counting   175 33.61
7102 Doing The Word Wrap   1 175 38.33
8119 CIRU2   1 175 36.22
34
34
13444 Counting Lucky Numbers   3 175 29.95
17
17
15243 Primos Quest   1 175 38.49
23
23
21096 Word Counting 2   3 175 29.70
34
17
32058 Harbinger vs Sciencepal   16 175 35.54
17
21
912 Submatrix of submatrix   1 174 27.01
34
17
1712 Permalex   -1 174 19.50
23
17
3899 Finding Fractions   1 174 29.46
17
34
7425 Hackers   4 174 31.38
26
17
9120 Magic Star   2 174 52.72
34
1
9644 Imperialism   5 174 30.69
8
14
10328 TRIVIADOR   4 174 31.47
14
20
10438 Crazy texting   2 174 25.98
26
34
16809 Estimation   2 174 10.09
30
17
32257 Apoorv and Math problem   11 174 14.96
29
16
35363 The World of Charges   13 174 36.69
3
4
1960 Rectangles   4 173 16.61
34
28
7232 Inversion Sort   5 173 16.34
32
23

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