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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10463 COUNT PAREN   4 193 61.04
20
21
10464 Reverse Engineering   4 138 48.42
17
28
10466 Enough of analyzing, let’s play   4 250 44.98
17
24
10568 Graph Cut   4 105 38.07
9
9
10570 Longest Common Substring   4 791 29.01
31
31
10643 The Nerd Factor   4 203 47.01
1
14
10677 Joseph’s Problem   4 175 51.95
17
30
10802 Sum of Tetranacci numbers   4 271 38.89
27
21
10820 Obsession   4 32 23.98
39
39
10931 Online Bridge Searching   4 95 35.18
34
34
11102 SelfDescribingSequenceProblem   4 820 47.50
12
6
11494 Hard Launching   4 1628 59.24
6
6
11613 Aho-Corasick Trie   4 48 10.31
34
21
11909 C You and Me   4 90 45.69
21
21
11962 Arya Rage   4 322 42.43
17
26
12357 Subset and upset (HARD)   4 127 42.07
21
21
12579 Search Insert Delete   4 88 9.62
30
11
12660 Co-Prime   4 239 25.46
9
17
12714 Fatawy   4 144 25.38
13
5
12916 MMM   4 86 18.00
24
27
13376 The new President   4 382 31.02
11
11
13529 Special Graph   4 80 12.57
37
30
13789 Loving Power   4 113 40.00
12
23
14629 Play with Binary Numbers   4 497 39.94
8
9
14890 Good Code   4 55 22.81
13
17
14891 Good Debugging   4 58 43.81
21
17
14905 Zig when you zag   4 31 30.26
30
38
14926 abdou set   4 58 52.61
6
12
14977 Attack of the Bloons   4 362 45.35
8
8
14981 Light Cycling   4 77 14.59
21
21
15074 Tourney   4 145 36.35
13
9
15266 III Powers   4 126 64.11
20
22
15541 Simplified Hangul   4 42 54.00
17
13
15557 Partition the sticks   4 106 34.56
23
17
15559 Help Feluda with mathematical equations   4 272 22.84
17
17
15621 Tie the Rope   4 89 21.93
17
14
15631 On the Plus Side   4 37 29.55
12
17
16185 Mining your own business   4 569 20.08
34
34
16212 Jailbreak   4 72 54.86
17
12
16277 Little Red-Cap   4 218 34.56
24
24
16279 Escaping from escaping   4 168 29.24
12
23
16409 Lopov   4 307 28.37
9
13
17539 Cows Language   4 34 41.59
21
24
17711 Gopu and Create Collections Part Two   4 260 29.03
28
28
17819 XYI   4 354 38.40
17
9
18186 Machine Mayhem   4 13 30.40
34
37
18458 Very Friends 2   4 38 19.68
23
23
18510 Ross generates Data   4 97 17.60
34
26
18660 Product of factorials (easy)   4 109 26.77
17
17
19142 BSTRING   4 130 32.40
17
13

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