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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
25728 One of the Simpsons symbols   2 277 66.59
5
13
23492 One piece   4 95 34.07
17
30
28600 One Punch Man   4 68 35.96
17
17
10465 One Theorem, One Year   45 42.08
13588 One X LIS   2 63 20.83
17
17
370 Ones and zeros   149 4462 30.03
19
22
10931 Online Bridge Searching   4 92 35.22
34
34
36134 Ono at the river 1   1 16 19.69
17
17
7742 Onotole needs your help   138 10086 41.04
4
11
7934 Operating System Problems (Task Scheduling)   2 138 56.50
17
17
17309 Operation Bits   1 412 57.86
11
11
19274 Operators   17 589 20.19
14
20
19301 Operators (new ver)   3 40 6.54
38
17
1453 Optimal Connected Subset   148 45.94
26
42
839 Optimal Marks   8 822 24.44
25
34
7599 Optimal Strategy for the ICPC   8 18.00
28163 OR   11 126 21.60
20
20
3273 Order statistic set   159 3144 26.00
22
20
227 Ordering the Soldiers   21 1456 33.18
21
23
16410 Organizator   75 34.80
1267 Origin of Life   35 22.18
34
1
4155 OTOCI   2 469 44.94
26
34
3426 Ouroboros Snake   2 81 52.59
26
34
1468 Outside it is now raining   25 24.78
2318 Overlapping Words   88 22.70
23930 Overlapping Words   3 27 25.76
17
17
16214 Pabbu-pneumonia   3 52 22.68
17
26
11963 Packing Rectangles   34 54.17
3953 Paid Roads   8 250 26.75
19
26
1270 Paint By Numbers   21 20.96
9504 Paint on a Wall   1 23 40.59
34
26
174 Paint templates   1 59 41.61
9
17
2962 Painting Blocks (Act I)   107 58.24
2963 Painting Blocks (Act II)   1 55 20.19
17
34
27380 Painting Hat   6 252 47.38
11
12
19490 Pair and unpair weightest string   2 78 50.94
9
17
26561 Pair Divisible 2   2 15 8.33
42
42
682 Pairs of Integers   204 25.26
1
1
17150 Palin Square   6 113 31.76
21
30
7150 Palindrome 2000   56 3211 27.27
15
14
25892 Palindrome in a Tree   7 141 35.49
17
13
34617 Palindrome Lover   2 176 24.97
3
3
34025 Palindrome Maker   5 79 58.23
12
17
21085 Palindrome Merge   1 27 27.36
17
17
25854 Palindrome Or Not   10 320 16.16
14
9
2426 Palindromes   9 996 24.41
17
14
9748 Palindromes   1 91 29.27
34
34
21132 Palindromes   1 95 34.44
17
34
10085 Palindromic DNA   1 20 29.76
3110 Palindromic Number   3 94 20.15
9
17

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