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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5142 A Pair of Graphs   1 68 54.35
17
17
682 Pairs of Integers   204 25.26
1
1
5182 Double Sorting   12 8.88
9569 Sum of Pairwise Products   7 827 31.37
6
13
1183 Accomodate the palace   4 547 52.42
17
34
3898 Even Palindrome   -1 247 10.24
3208 Yet Another Longest Palindrome Problem   68 13.65
5 The Next Palindrome   452 20157 10.75
25
18
10085 Palindromic DNA   1 20 29.76
34025 Palindrome Maker   5 79 58.23
12
17
3110 Palindromic Number   3 94 20.15
9
17
35196 Pandas are the best Lovers   6 23 47.19
23
23
26450 Palindromic Primes (Hard)   5 36 25.84
34
30
160 Choosing a Palindromic Sequence   95 32.80
17
17
19576 Popeye and the magical land   189 50.00
17
1
7405 Delicious Pancakes   1 731 27.05
11
11
215 Panic in the Plazas   83 20.53
34
34
5732 Paradox   42 1223 27.93
16
19
31902 Paragliding Trip   1 20 33.71
17
34
15256 Partition function (EASY)   8 97 39.47
22
27
15257 Partition function (HARD)   1 6 2.93
50
42
10463 COUNT PAREN   4 193 61.04
20
21
3577 Parity   3 77 19.52
17
34
8374 PARKET   4 1840 56.11
3
4
3376 Parking Lot   1 138 20.05
17
17
10111 Nonnegative Partial Sums   15 513 29.88
19
19
137 Partition   17 781 36.69
17
20
6957 Partial Palindrome   3 8.33
428 Particular Palindromes   5 492 32.02
22
24
8325 Partitioning the plane   37 39.49
1325 Partial Sums   2 223 24.78
9
1
97 Party Schedule   251 8856 36.18
14
16
2898 Party of Cloaked Killers   29 21.15
13895 Party Time   2 31.25
3591 Patting Heads   3 648 35.21
17
17
26705 Path Game   4 90 55.03
20
17
8896 Pattern Matching   1 28 22.97
17
13
5652 Snow White and the N dwarfs   31 929 22.34
21
31
22675 A conjecture of Paul ErdÅ‘s (hard)   2 4 5.56
34
34
19490 Pair and unpair weightest string   2 78 50.94
9
17
123 Paying in Byteland   2 476 46.70
6
17
967 Parking Bay   3 556 49.18
12
23
12824 Print Big Binary Numbers   6 44.96
6052 PBCGAME   81 26.99
7250 Blocks for kids   2 96 43.87
23
23
7589 Cave Crisis   11 65.22
7599 Optimal Strategy for the ICPC   8 18.00
7402 Repair Depots   14 46.34
25891 Peculiar Number   14 234 41.72
19
16
20872 Counting Pairwise Coprime Triples   1 47 53.73
34
34

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