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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8982 Representatives   20 426 31.14
17
16
687 Repeats   1 931 25.16
34
39
9751 Repairing Roads   1 21 11.34
17
34
4410 Repair the Door   58 22.49
7402 Repair Depots   14 46.34
3936 Repair City Hall   4 241 50.00
5
1
130 Rent your airplane and make money   88 3346 28.60
18
17
704 Remove The String   12 610 14.96
17
26
10114 Remoteland   3 128 56.36
34
28
3865 Reljef   3 94 39.22
26
17
1707 Reliable Nets   4 339 31.46
28
23
220 Relevant Phrases of Annihilation   660 23.00
26
26
70 Relations   2 250 28.61
9
17
26344 Related or not   9 362 52.34
8
9
14944 Reindeer Games   2 111 21.66
17
17
7866 Regular expressions (Hard)   1 96 25.05
28
23
10113 Regular Convex Polygon   95 29.50
8056 Regex Edit Distance   2 32 40.62
34
42
36226 Reduce the array   15 679 29.09
4
6
21525 Red John is Back   5 315 53.58
6
17
11712 Red Cross Hospital   1 18 24.10
34
1
25001 Red Blue Line Segments   2 260 17.81
28
26
8317 Red Balls   43 44.25
12363 Red And Green   7 249 39.68
8
14
11386 Recycled Numbers   1 194 31.61
12807 Recursive Sequence (Version X)   8 15.15
37226 Recursive Sequence (Version III)   4 8 33.33
34
34
2699 Recursive Sequence (Version II)   16 999 26.28
26
24
339 Recursive Sequence   75 3679 50.25
20
17
37422 Recurrence Power Sum   3 25 19.55
42
45
5294 Recurrence   2 255 14.32
28
17
2056 Rectangular Polygon   1 134 47.94
1
17
3878 Rectangles Perimeter   58 2690 49.81
12
14
8285 Rectangles in a Matrix   2 7 23.21
17
34
3890 Rectangles Counting   174 33.39
188 Rectangles   2 182 12.71
17
23
1960 Rectangles   4 164 16.40
34
28
4300 Rectangles   175 26751 49.92
5
8
2038 Rectangle Tiling   2 112 40.75
1
1
8423 Recover Polynomials   51 48.25
3934 Recaman’s Sequence   25 3529 53.85
9
6
2058 Reaux! Sham! Beaux!   4 660 32.89
23
6
6985 Rearranging Digits   54 26.02
18174 REAL ROOTS   15 1264 60.40
6
12
16267 Real Numbers   2 171 17.91
26
26
13913 Real Mangoes for Ranjith   7 1931 41.87
3
8
9386 Re-Arrange II   9 270 44.49
21
17
7389 Rating Hazard   21 21.10
16180 Ratar   79 26.89
17
17
1526 Ranklist Sorting   1 23 12.75
17
34

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