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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
25728 One of the Simpsons symbols   2 279 66.59
5
13
26348 K NUMBERS   11 279 38.09
9
9
5084 Discrete Math Problem   6 280 31.44
15
24
3931 Maximum Triangle Area   2 281 29.22
5
28
4681 Twice   5 281 21.04
24
27
13165 Totient in permutation (easy)   11 281 20.98
17
17
3870 Military Story   3 282 28.76
21
12
5317 Tetravex Puzzle   2 282 46.09
23
6
26017 GCD OF MATRIX   2 282 39.70
23
34
1433 The Sum   2 284 17.19
39
30
77 New bricks disorder   1 285 37.82
17
17
3196 Divisibility Relation   4 286 21.04
17
37
7579 Power Calculus   286 47.35
34
17
11244 GP - Complete the Series v1 ()   2 286 21.30
30
17
47 Skyscraper Floors   8 287 12.72
22
22
419 Transposing is Fun   1 287 36.61
17
26
1709 Swamp Things   287 40.34
8594 Tails all the way   287 34.27
35144 High CG Boy   5 287 45.73
4
4
698 Plane Hopping   1 288 25.61
17
2728 Breaking in   8 288 26.47
30
19
4568 Rotating Rings   1 288 29.48
17
17
26771 Almost Prime Numbers Again   17 288 19.12
24
20
422 Transposing is Even More Fun   2 290 25.94
28
39
8406 Temple Queues   14 290 19.45
31
33
8786 The Longest Chain of Domino Tiles   4 290 32.04
17
12
28352 Friend Zoned   17 290 64.01
6
12
10815 Finally a Treat   1 291 33.67
6
1
26179 Windy Cannon   8 291 35.86
5
2
62 The Imp   1 292 30.31
17
23
260 Containers   3 292 46.05
17
14
1182 Sorted bit squence   292 42.04
17
1
2832 Find The Determinant III   1 293 20.01
17
9
3977 Police Query   8 293 16.98
27
30
10078 Happy Telephones   2 293 48.76
1
1
86 November Rain   4 294 17.54
21
21
9755 Grey Area   294 61.58
19039 Krypt in Time   -1 295 41.67
34
1
19561 New Binary   7 295 42.68
13
26
67 Cutting out   2 296 43.23
30
27
11300 Fun with numbers   3 296 35.55
12
17
12866 Nlogonian Tickets   12 296 20.27
25
24
9888 Bird tree   1 297 65.18
34
42
13866 Discrete Roots   3 297 52.49
20
20
19985 GCD Extreme (hard)   2 297 35.55
26
34
1704 Countdown   298 25.14
26
9
9576 Dynamic Graph Connectivity   8 300 37.49
41
38
18917 Dukkar and Pikka   5 301 55.99
7
23
18945 Car with powers   11 303 29.67
23
20
2005 Minus Operation   8 304 33.25
30
30

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