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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
6560 N DIV PHI_N (Hard)   4 164 21.04
17
28
24313 Kule   2 16 21.05
17
26
36667 Solution to all the problems   12 141 21.05
15
10
685 Partition the sequence   3 230 21.07
23
34
25015 Subsequences with modulo   5 55 21.08
34
34
30945 Non Coprime Sequences   2 20 21.08
50
50
11440 Unlock it ! Part 2   45 21.09
7389 Rating Hazard   21 21.10
3406 Bases   68 21.12
73 Bacterial   1 70 21.12
50
17
4060 A game with probability   189 21.14
2898 Party of Cloaked Killers   29 21.15
12804 Spy   5 21.15
7567 Divisor Summation Powered   13 359 21.17
17
23
2325 String Distance   210 21.18
5652 Snow White and the N dwarfs   31 829 21.20
21
31
8551 Colours A, B, C, D   39 2152 21.20
10
21
9086 Formula 3D   6 21.21
9525 Cipher   -1 100 21.21
32595 Ada and Servers   2 22 21.21
23
1
6072 Chocolate   153 21.22
17
34
21407 2x2 Subgrid Sum Problem (medium)   17 21.24
3362 Setnja   2 241 21.24
9
17
15076 A Romantic Movie Outing   24 21.25
1536 Help Blue Mary Please! (Act III)   29 21.26
12810 Yet Another Multiple Problem   9 262 21.26
21
23
14925 King Graffs Trip   2 24 21.26
34
34
21463 Arithmetic Rectangle   34 21.27
23969 Helping Jar Jar Binks   5 77 21.28
27
30
1811 Longest Common Substring   33 3069 21.28
20
18
13165 Totient in permutation (easy)   11 277 21.30
17
17
87 Football   57 21.31
17
1
703 Mobile Service   6 889 21.32
24
28
32192 SUMMATION   10 450 21.32
7
11
8720 Looks like Nim - but it is not   3 90 21.35
6
28
18170 Takeover Wars   1 15 21.36
1
34
16102 Can you play carrom !!!   2 212 21.36
15
12
8896 Pattern Matching   1 25 21.38
17
13
14894 Good Celebration   3 24 21.39
26
30
15075 A Romantic Dinner Outing   22 21.39
1
1
11244 GP - Complete the Series v1 ()   2 286 21.39
30
17
6906 Raining Parabolas   2 251 21.41
26
26
293 Officers on the Beat   11 21.43
2660 Example   1 12 21.43
17
17
4459 Muzidabutur   4 21.43
5649 Divide Polygon   3 31 21.43
9
34
19153 Rooted Trees   1 40 21.43
36266 Nahid The Reporter   1 9 21.43
1
1
16793 Statistics Applied   2 205 21.45
22
17
35028 Long Tiling   6 40 21.45
21
21

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