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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
11469 Balanced Cow Subsets   6 415 25.63
36
31
11695 A Summatory (HARD)   6 100 30.40
31
29
11844 Binary Sequence of Prime Number   6 234 21.19
38
30
11933 DIAGONAL   6 959 24.52
12
12
12076 Longest Common Subsequence   6 139 4.54
45
45
12244 Natalia Has Another Problem   6 112 46.86
17
14
13041 The Black Riders   6 195 40.08
17
34
13046 The Glittering Caves of Aglarond   6 917 34.91
5
12
13076 Slikar   6 232 31.89
17
10
13363 WIND VANE   6 391 31.39
17
17
13881 FUN WITH LETTERS   6 240 28.22
13
26
14935 Cactus   6 195 19.75
16
14
15149 play with prime numbers (III)(hard )   6 29 43.41
34
28
15190 MAXIMUM RARITY   6 85 33.93
28
34
15728 The Sierpinski Fractal   6 118 27.26
13
9
16046 Help Professor   6 398 47.38
8
15
16063 Hackers   6 61 21.82
48
48
16244 Kusac   6 410 36.44
14
21
16248 Clones   6 583 44.29
3
4
16778 Sir and the Guitar   6 149 54.91
4
5
16825 Divisors   6 90 17.90
20
24
17150 Palin Square   6 114 32.19
21
30
18243 Maggu and Strings   6 599 33.30
4
1
18283 Maggu and Cuteness of Strings   6 170 39.90
13
13
18457 Very Friends   6 247 27.85
11
30
18465 A Subtle Surf   6 204 43.24
14
11
19216 Super Mario Revisited   6 21 7.21
20
23
20173 Counting Divisors (square)   6 469 21.54
29
38
20985 Archipelago   6 106 62.77
11
4
21092 DRAW TABLE   6 45 53.19
17
1
21104 Jarin Loves New Task   6 46 37.71
21
21
21177 Distracted judges   6 321 44.73
13
17
21284 Can You Make It Empty 3   6 95 31.16
15
20
21692 CURD PRODUCERS   6 532 41.87
15
11
22560 Valid Path   6 63 36.98
6
8
22561 Roger and tree III   6 29 14.15
26
26
23507 Retrovirus   6 93 32.87
15
13
23742 Dolan and Nephews   6 50 37.94
31
28
25393 Do It Wrong, Get It Right   6 55 36.03
17
17
25782 Fury Road   6 93 44.77
17
13
25862 Divisor Game   6 52 18.66
17
17
26305 Lights On!   6 323 26.13
17
24
26385 Harish and his rooks puzzle   6 225 31.76
4
1
26685 I Love Kd-Trees II   6 131 35.66
21
23
26743 Wonowon   6 144 66.89
11
11
27196 Study Room   6 439 52.30
6
8
27218 Segmentation   6 35 39.87
23
28
27313 Number of Binary Trees   6 78 45.49
17
26
27375 Garden of Mangu   6 87 47.94
19
19
27380 Painting Hat   6 254 47.47
11
12

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