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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3359 Stack   50 16.63
9939 Eliminate the Conflict   1 50 39.59
17
17
9970 The Egyptian Parliament   50 18.91
10465 One Theorem, One Year   50 43.62
10646 The National Game   2 50 30.30
26
9
10648 DUGDUG   50 25.38
11707 Wrong directions   2 50 30.81
39
34
12008 Fibonacci recursive sequences (medium)   50 26.95
14443 Three Circle Problem (HARD)   2 50 28.88
34
1
17394 Bits Game   50 34.44
1
34
18287 Maggu and Magguness Level   50 33.50
20872 Counting Pairwise Coprime Triples   1 50 52.45
34
34
25383 New Lottery Game   7 50 19.67
17
15
25789 Laser Maze   8 50 52.80
24
14
36537 Koala Fan   8 50 25.36
13
10
75 Editor   51 26.94
303 The Unstable Cube   1 51 28.10
17
1
327 Platon and Socrates   51 12.63
9
34
518 Zig-Zag Permutation   1 51 31.25
26
26
4658 Help Hemant Verma   1 51 14.20
9
17
7409 Drawing Quadrilaterals   51 11.46
8263 Big Pyramid   3 51 62.92
23
23
8546 Manoj and Pankaj   51 18.32
8667 Board-Queries   1 51 21.28
17
17
8794 Swimming Jam   2 51 33.33
26
26
8820 Okret   4 51 21.61
38
34
11198 Ipad Testing   2 51 42.08
34
1
12559 Drastic Race   51 36.42
14821 Traffic Lights   1 51 58.41
17
17
16280 Flowers of Babylon   1 51 17.21
17
50
19899 Middle Earth   2 51 12.24
26
17
19997 Moon Safari (Hard)   3 51 50.25
34
39
20167 Array with Hudai Calculation   1 51 24.51
34
34
20977 Car Game   7 51 33.80
15
17
21176 Stapled intervals   51 58.86
21356 Divisible Number Sum   8 51 17.82
26
20
23429 Grid Arithmetic   2 51 43.57
21
17
28466 Leonardo de Pisa   3 51 17.44
1
1
34636 Richie Rich and Keen Bean   51 45.24
17
23
36122 Machine Cooling   3 51 61.54
1
9
36718 Fashionable self-describing numbers   6 51 17.33
30
34
39924 Precious Prizes   1 51 30.95
17
12
1672 The Great Indian Wedding   52 26.03
1
1
1715 Another Necklace Problem   52 18.42
17
17
3412 Higgs Boson   52 19.09
7566 Expected Cycle Sums   52 47.89
8282 Distance   52 23.74
8845 Entertainment   1 52 39.11
34
9895 Tracking RFIDs   52 30.66
10506 Prendonians   52 26.42

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