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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
11582 A Famous Grid   2 186 16.65
17
17
4532 String reduction   2 166 16.62
17
30
7746 Cocircular Points   59 16.57
42
17
9972 The SKey   1 83 16.55
17
26
9260 Perfect Road   12 16.55
17
17
5298 Interval Challenge   4 135 16.52
24
27
25684 Jolly Kingdom   17 16.51
26928 The Crossover   9 100 16.45
22
16
10621 MONO   22 16.44
4951 Bridges! More bridges!   1 46 16.42
1
34
25480 Invading aliens   14 16.39
1960 Rectangles   3 163 16.39
34
28
4461 A Famous Airport Manager   23 16.36
13 Hotline   2 194 16.36
34
23
3587 Prime Again   11 841 16.26
20
15
12556 Another Traffic Problem   33 16.26
5103 Top 10   41 16.26
8429 Array Sorting   62 16.26
25477 Generating alien DNA II   2 33 16.24
17
17
12855 Teleport   4 16.22
17
34
2189 Making Pairs   1 44 16.21
34
42
2144 K Edge-disjoint Branchings   9 16.21
11718 Boa viagem, Roim   70 16.16
238 Getting Rid of the Holidays (Act II)   81 16.12
1
1
25854 Palindrome Or Not   10 318 16.12
14
9
28 Help the Military Recruitment Office!   6 774 16.10
12
9
11808 Max 2214   1 11 16.10
16034 Minimum Number   5 491 16.05
11
1
7 The Bulk!   6 499 16.02
30
24
2 Prime Generator   622 78602 16.01
15
13
2159 Delicious Cake   29 16.00
6576 Divide and Conquer   2 57 15.96
17
26
309 The Room Pattern   1 44 15.94
34
17
1869 Making Mountains Out Of Molehills   1 14 15.93
34
17
36789 Linear Diophantine Equation   2 7 15.93
50
50
7753 Happy Numbers II   3 647 15.92
23
17
1505 Whac-a-Mole   2 42 15.87
50
17
8850 Juice Extractor   1 117 15.82
17
17
21597 The Hack   1 20 15.82
1
34
35672 Try to learn properly   7 44 15.81
21
21
503 Prime Intervals   65 1734 15.80
21
19
4948 Integer Factorization (29 digits)   8 100 15.77
40
34
4303 Dice   13 924 15.74
11
19
7249 Perfume   2 109 15.74
1
17
21326 Akbar , The great   63 2406 15.73
21
18
34502 ZERO TRIPLET   12 77 15.72
17
14
210 The Altars   46 15.72
17
1
23511 Segfault   4 16 15.67
34
17
32257 Apoorv and Math problem   11 137 15.65
29
16
12805 Age of Empires   3 15.62

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