list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
30945 Non Coprime Sequences   2 20 21.08
50
50
13165 Totient in permutation (easy)   11 279 21.09
17
17
7389 Rating Hazard   21 21.10
3406 Bases   68 21.12
685 Partition the sequence   3 232 21.12
21
30
12324 Tiles   3 96 21.15
21
30
2898 Party of Cloaked Killers   29 21.15
12804 Spy   5 21.15
36667 Solution to all the problems   13 144 21.17
15
11
31430 Highschool Homework   6 44 21.18
21
21
2325 String Distance   210 21.18
8551 Colours A, B, C, D   39 2159 21.21
10
21
9086 Formula 3D   6 21.21
9525 Cipher   -1 100 21.21
7567 Divisor Summation Powered   13 361 21.22
17
23
5649 Divide Polygon   3 33 21.22
9
34
1676 Text Generator   223 21.24
17
26
15076 A Romantic Movie Outing   24 21.25
1536 Help Blue Mary Please! (Act III)   29 21.26
14925 King Graffs Trip   2 24 21.26
34
34
3362 Setnja   2 242 21.27
9
17
23969 Helping Jar Jar Binks   5 77 21.28
27
30
6072 Chocolate   154 21.29
17
34
11244 GP - Complete the Series v1 ()   2 286 21.30
30
17
8720 Looks like Nim - but it is not   3 90 21.35
6
28
16102 Can you play carrom !!!   2 212 21.36
15
12
35028 Long Tiling   7 40 21.39
26
26
14894 Good Celebration   3 24 21.39
26
30
15075 A Romantic Dinner Outing   22 21.39
1
1
16793 Statistics Applied   2 208 21.39
22
17
2829 Time Limit Exceeded   4 251 21.43
34
34
293 Officers on the Beat   11 21.43
2660 Example   1 12 21.43
17
17
3309 Bulletin Board   20 21.43
4459 Muzidabutur   4 21.43
19153 Rooted Trees   1 40 21.43
25959 Next Lexicographically Greater Substring   4 43 21.43
23
23
32595 Ada and Servers   2 23 21.43
23
1
6906 Raining Parabolas   2 253 21.44
26
26
12810 Yet Another Multiple Problem   9 270 21.44
21
23
11844 Binary Sequence of Prime Number   5 223 21.45
34
28
7231 Homework   5 222 21.48
17
26
866 DNA Translation   117 21.51
10649 Mirror Number   5 176 21.53
13
30
34863 A Cumulative Sum Problem   5 29 21.53
34
42
16210 Impossible Boss   10 178 21.54
21
22
8667 Board-Queries   1 47 21.54
17
17
16063 Hackers   6 59 21.54
48
48
32192 SUMMATION   11 471 21.57
7
10
1811 Longest Common Substring   34 3191 21.60
20
18

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