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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13078 The Mad Numerologist   1 198 32.65
17
17
24689 Fibo and non fibo   10 317 32.65
18
18
21058 Dirty Plates   27 32.65
14972 Foxhole   2 235 32.67
9
9
12367 Designing T-Shirts   8 270 32.67
17
23
23492 One piece   4 102 32.67
17
30
2132 Puzzle   89 32.68
27369 Gupta ji Birthday !!   9 128 32.68
19
19
5975 Travelling Knight   2 54 32.69
34
34
10476 Fair bases   38 32.69
18905 Kapti and Balu   1 41 32.70
17
17
4942 Integer Factorization (15 digits)   45 3695 32.76
11
11
27219 Time for Revenge   4 74 32.76
7
17
32529 Nearest Neighbor Search   1 21 32.76
15436 Slick   52 2271 32.77
9
9
10460 A function over factors   1 102 32.78
1
17
25962 Essay   5 71 32.78
10
17
34012 Adrita and Her Bike Ride   8 158 32.79
10
8
10112 Peer Review   116 32.79
13646 BATMAN4   -7 155 32.79
20
17
31374 Matrix Multiplication 2K   1 35 32.82
26
9
30947 Sabbir and gifts   21 373 32.88
16
13
6290 Robbery 2   7 807 32.90
17
13
16278 Watching the game   1 75 32.90
17
17
741 Steady Cow Assignment   5 534 32.90
20
29
2058 Reaux! Sham! Beaux!   4 664 32.90
23
6
16607 Sweets   3 176 32.92
26
34
15851 Permutations   1 18 32.93
17
17
734 Ivan and his interesting game   232 32.93
17
17
2172 Ballroom Lights   1 35 32.94
34
17
1706 Queens, Knights and Pawns   4 854 32.96
17
9
9535 Turn on the lights 2   2 23 32.97
26
26
42340 Bracket Check   4 262 32.97
3
1
7685 Flowers   4 352 32.98
13
26
21635 Beautiful Mountains   1 21 32.99
17
34
9534 Turn on the lights   1 73 33.00
1
34
11906 Rescue On Time   -1 26 33.00
34
17
57 Supernumbers in a permutation   22 1110 33.01
17
19
3005 Subdividing a Land   28 33.02
16956 Encoded Coordinates   1 27 33.02
17
34
153 Balancing the Stone   2 329 33.03
17
23
13990 Web islands   18 586 33.05
15
16
8663 Squares Game   34 33.05
332 Hard Question   106 33.05
1
34
26788 Tiho Brdo   4 34 33.06
17
23
27942 Product it again   6 149 33.08
24
20
14856 Crazy Shopkeeper   2 620 33.09
17
8
21671 Jumppy and the Grid   4 63 33.10
21
21
26745 Grid   16 672 33.11
13
9
403 Sort fractions   6 714 33.12
9
21

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