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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
24191 Eagle and Dogs   18 563 17.72
21
28
30973 Ada and Tomato   4 54 17.74
30
34
22274 Missing Side   1 87 17.74
17
9
11355 SQUARE TO SQUARE   21 17.74
2709 Untitled Problem   27 17.75
6773 Dinostratus Numbers   1 92 17.79
17
17
2485 Phone Lines   18 17.80
25001 Red Blue Line Segments   2 260 17.81
28
26
1812 Longest Common Substring II   15 1878 17.85
31
28
30691 Ada and Diary   2 56 17.85
9
9
8284 Weighted Sum   6 511 17.86
9
13
7563 Hi6   37 17.90
26
26
688 Toy Cars   1 580 17.91
11
17
25480 Invading aliens   15 17.91
34357 Ludic Numbers (hard)   2 4 17.91
16267 Real Numbers   2 171 17.91
26
26
36951 HowManyLis   7 134 17.92
21
22
6827 Last Minute Construction   22 17.94
15381 Cut The Rope   3 17.95
42
1
36145 Machine Cooling II   3 35 17.96
17
17
26721 I LOVE Kd-TREES III   4 78 17.96
34
34
23541 CWC-2015   8 143 17.98
17
17
2511 Magic Program IV   27 17.99
4305 Drilling   3 100 17.99
17
34
7599 Optimal Strategy for the ICPC   8 18.00
12916 MMM   4 86 18.00
24
27
1454 Memory Distribution   20 18.01
4421 Irreducible polynomials over GF2   62 18.01
10877 Decoys and Diversions   45 18.03
9
17
3983 Right Triangle Counting   3 189 18.05
30
21
9516 XOR Equations   14 18.07
4003 Subway planning   40 18.08
413 Word Puzzles   4 368 18.08
30
14
6956 IOI2009 Mecho   3 162 18.09
28
23
13886 BLOCK_D SOLVER   2 17 18.10
17
26
21414 Count The Indexes 2   5 41 18.11
37
24
3106 Dictionary Subsequences   3 165 18.14
17
17
34545 Tama Starks Prime Apprenticeship   -1 51 18.15
17
9
36671 Bipartite Permutation (Hard)   6 52 18.16
32
34
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
34910 Easy Math   2 610 18.21
2
4
5511 Heavy Sequences   -1 82 18.23
34
34
700 Branch Prediction   75 18.24
17
1
32683 Ada and Kohlrabi   5 67 18.25
30
13
3107 Odd Numbers of Divisors   27 1046 18.26
22
22

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