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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4178 Distance on a square lattice   130 54.41
8282 Distance   52 23.74
9985 Distance   2 63 23.06
42
34
3485 Disputes   1 86 63.75
9938 Disney Fastpass   1 37 25.32
17
17
13948 Disjoint Subtrees   22 45.41
34
34
3579 Disjoint Paths   4 318 20.79
24
27
13866 Discrete Roots   3 300 52.69
20
20
5084 Discrete Math Problem   6 287 31.66
15
24
11054 Discords Dilemma   28 26.14
11116 Discord is Cornered   2 30 51.19
17
9
13500 Discord is at it again   2 36 39.78
34
34
34409 Disconnected country   1 49 22.20
34
34
21058 Dirty Plates   27 32.65
9 Direct Visibility   4 267 11.65
30
21
4784 Diophantine equation   3 155 40.59
26
17
6773 Dinostratus Numbers   1 95 18.13
17
17
37272 Dinostratus Matrices   1 7 46.58
7187 Dinosaur Menace   3 184 8.83
17
34
6035 Dinner   4 164 27.30
9
34
16250 Dilemma   2 80 52.84
12
17
19144 Digo plays with Numbers   9 726 40.73
9
11
19145 Digo Needs Guns   -1 192 51.59
26
26
19152 Digo Goes Training   1 240 46.18
23
17
7264 Digital LED Number   7 554 28.35
14
4
3360 Digital Image Recognition   28 20.48
2151 Digital Calculator   23 5.69
17247 Digit Sum   54 3886 37.91
18
22
34377 Digit Subsequence   11 257 35.92
7
11
41374 Digit Shifts   1 18 7.60
34
23
35284 Digit Root   13 107 36.34
16
20
14858 digit count   43 23.67
4525 Digger Octaves   6 391 35.55
17
21
5197 Differential Diagnosis   1 65 24.32
12609 Different Vectors   3 43 36.27
26
34
3929 Different Digits   74 22.75
34376 Difference One Swaps   7 75 48.60
13
17
15571 Difference   2 148 33.52
21
28
10622 DIFERENCIJA   8 610 46.57
21
23
12471 DIE HARD   157 7985 38.69
12
13
3106 Dictionary Subsequences   3 170 18.47
17
17
6230 Dictionary order   6 9.30
10242 Dice on a Board   20 31.76
85 Dice Contest   49 21.73
34
34
4303 Dice   13 929 15.72
11
19
9122 Diary   4 1066 35.71
12
3
41215 Diamonds   26 15.66
41213 Diamond Collector   2 29 45.71
6
12
11933 DIAGONAL   6 962 24.58
12
12
14979 Diablo Bot   3 78 13.73
13
21

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