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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1442 Strange Food Chain   19 777 18.44
22
25
1794 Greedy Hydra II   2 70 18.44
26
26
6827 Last Minute Construction   21 18.42
12803 Graph   8 18.42
50
50
15381 Cut The Rope   3 18.42
42
1
3752 JEDNAKOST   12 595 18.40
23
21
7599 Optimal Strategy for the ICPC   8 18.37
28601 Village Fair   4 104 18.36
13
17
14542 Pythagorean triples (medium)   2 130 18.36
9
26
1454 Memory Distribution   20 18.35
12958 Another Gift Problem   35 18.33
25283 ChickenLove   5 187 18.33
15
20
27378 Legend of Heta   2 62 18.33
28
28
34551 Stopping-off Cities   6 66 18.31
26
23
36936 K-Divisors   3 9 18.30
39
39
7155 Test   10 368 18.30
34
27
3643 Traffic Network   89 2091 18.29
18
21
32683 Ada and Kohlrabi   5 67 18.28
30
13
34910 Easy Math   2 596 18.27
2
4
3107 Odd Numbers of Divisors   27 1042 18.26
22
22
38365 Asacoco Prescription   2 42 18.25
17
26
35954 New Data Type   118 18.23
8
8
3106 Dictionary Subsequences   3 162 18.20
17
17
5672 Captain Selection   2 18.18
12004 Cousin Wars   2 32 18.18
26
26
12370 Generating Alien DNA   1 31 18.18
34
34
26183 Laser Beam 2.0   1 4 18.18
17
17
26893 Pristojba   2 16 18.18
26
50
30351 Quest Hunter   10 18.18
33049 Ada and Chess   5 38 18.18
26
17
21414 Count The Indexes 2   5 41 18.11
37
24
30691 Ada and Diary   2 56 18.11
9
9
13886 BLOCK_D SOLVER   2 17 18.10
17
26
5511 Heavy Sequences   80 18.08
34
34
4003 Subway planning   40 18.08
9516 XOR Equations   14 18.07
413 Word Puzzles   4 364 18.07
30
14
3983 Right Triangle Counting   3 188 18.05
30
21
6956 IOI2009 Mecho   3 160 18.05
28
23
36951 HowManyLis   6 124 18.05
19
21
10877 Decoys and Diversions   45 18.03
9
17
4421 Irreducible polynomials over GF2   62 18.01
700 Branch Prediction   74 18.00
18666 Radiation   1 29 18.00
2511 Magic Program IV   27 17.99
4305 Drilling   3 96 17.98
17
34
23541 CWC-2015   8 142 17.93
17
17
36671 Bipartite Permutation (Hard)   6 51 17.91
32
34
26721 I LOVE Kd-TREES III   4 77 17.91
34
34
34357 Ludic Numbers (hard)   2 4 17.91

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