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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
12244 Natalia Has Another Problem   6 115 47.52
17
14
13041 The Black Riders   6 196 40.10
17
34
13046 The Glittering Caves of Aglarond   6 919 34.88
5
12
13076 Slikar   6 233 31.96
17
10
13363 WIND VANE   6 394 31.48
17
17
13881 FUN WITH LETTERS   6 242 28.47
13
26
14935 Cactus   6 224 20.02
16
14
15149 play with prime numbers (III)(hard )   6 29 42.60
34
28
15190 MAXIMUM RARITY   6 90 35.38
28
34
15728 The Sierpinski Fractal   6 120 27.00
13
9
16046 Help Professor   6 402 47.67
8
15
16063 Hackers   6 61 21.64
48
48
16244 Kusac   6 411 36.44
14
21
16248 Clones   6 588 44.15
3
4
16778 Sir and the Guitar   6 151 55.18
4
5
16825 Divisors   6 93 17.93
20
24
17150 Palin Square   6 116 31.96
21
30
18243 Maggu and Strings   6 600 33.30
4
1
18283 Maggu and Cuteness of Strings   6 171 40.17
13
13
18457 Very Friends   6 250 28.02
11
30
18465 A Subtle Surf   6 204 43.41
14
11
19216 Super Mario Revisited   6 22 7.24
20
23
20173 Counting Divisors (square)   6 490 21.77
29
38
20979 Good   6 90 41.13
17
26
20985 Archipelago   6 107 62.96
11
4
21092 DRAW TABLE   6 47 53.79
17
1
21104 Jarin Loves New Task   6 49 38.20
21
21
21177 Distracted judges   6 324 44.91
13
17
21284 Can You Make It Empty 3   6 95 31.16
15
20
21692 CURD PRODUCERS   6 535 42.01
15
11
22560 Valid Path   6 67 35.74
6
8
22561 Roger and tree III   6 32 14.45
26
26
23507 Retrovirus   6 94 36.11
15
13
23742 Dolan and Nephews   6 55 38.51
31
28
23969 Helping Jar Jar Binks   6 84 21.95
26
28
25393 Do It Wrong, Get It Right   6 58 37.30
17
17
25782 Fury Road   6 93 44.93
17
13
25862 Divisor Game   6 53 17.72
17
17
26305 Lights On!   6 323 26.13
17
24
26385 Harish and his rooks puzzle   6 230 32.39
4
1
26450 Palindromic Primes (Hard)   6 41 25.37
34
30
26685 I Love Kd-Trees II   6 136 36.00
21
23
26743 Wonowon   6 148 66.23
11
11
27196 Study Room   6 444 52.32
6
8
27218 Segmentation   6 35 41.50
23
28
27313 Number of Binary Trees   6 81 45.96
17
26
27375 Garden of Mangu   6 87 46.18
19
19
27380 Painting Hat   6 257 47.56
11
12
27497 Binary Protean Number   6 144 45.38
11
16
27942 Product it again   6 149 33.08
24
20

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