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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7487 Flibonakki   16 867 29.53
21
29
17302 Servers   1 165 29.53
17
17
14168 Amazing Factor Sequence (medium)   9 231 29.52
21
24
17730 Maximum Radius   115 29.52
1
1
9125 Suiting Weavers   91 29.52
31231 Playing Darts   34 29.50
17
1
8281 Combination Of Integers   1 69 29.49
17
17
4206 Fast Maximum Matching   33 2094 29.48
22
19
15086 Land Acquisition   39 1504 29.48
24
30
9118 Genetic Fraud   152 29.47
3899 Finding Fractions   1 174 29.46
17
34
34537 Prime Lover Finding   7 67 29.43
28
24
14887 Good Travels   30 652 29.43
26
24
13523 Card Meets (medium)   7 56 29.43
17
21
2150 Counting Subsequences   13 1031 29.42
9
13
3863 Area of circles   1 314 29.41
34
34
36886 Absurdistans Teaparties   4 20 29.41
34
23
28457 Correlations   5 94 29.40
9
13
13868 Roads of NITT   43 625 29.39
24
24
34254 Huseyn and his game   14 111 29.39
6
31
3871 GCD Extreme   82 3107 29.38
19
26
21360 Suffix Equal Prefix   5 546 29.37
13
13
16279 Escaping from escaping   4 172 29.37
12
23
4580 ABCDEF   218 7923 29.36
14
16
27433 Divisible Fibonacci Numbers   1 29 29.33
17
34
22269 Periodic function, trip 1   1 19 29.33
17
50
5151 Alice’s Cube   8 516 29.30
24
21
17711 Gopu and Create Collections Part Two   4 266 29.30
28
28
9528 Johns Trip   21 29.29
4176 A Knightly Pursuit   2 67 29.28
26
17
4052 Game   75 29.27
10401 Aliens at the train   85 4483 29.27
13
10
3931 Maximum Triangle Area   2 283 29.27
5
28
14932 Lowest Common Ancestor   234 7944 29.25
15
15
36998 Superpowertree   2 27 29.25
17
17
9050 Tohu again   2 865 29.24
17
12
1440 Use of Function Arctan   4 543 29.24
5
26
18714 Can You Make It Empty 2   15 1324 29.23
8
11
9443 Trial of Doom   1 30 29.20
17
34
10606 Balanced Numbers   9 652 29.20
23
17
10477 GM plants   16 344 29.20
25
30
8980 Cost   48 1264 29.19
18
26
12007 Fibonaccibonacci (easy)   1 115 29.17
1
34
13050 Entmoot   1 80 29.17
17
34
18511 Cartman and Butters Game   22 29.17
5464 Counting triangles   3 213 29.16
6
28
2525 Encoding   3 752 29.15
12
12
31755 Januarius, The Travelling Clairvoyant   25 29.14
7975 Tri graphs   87 4871 29.13
11
10
407 Random Number   48 29.13
17
17

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