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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
12244 Natalia Has Another Problem   6 108 46.20
17
14
12363 Red And Green   7 249 39.68
8
14
13117 White Hats   9 613 37.59
4
14
13768 An Experiment by Penny   7 603 59.67
8
14
15621 Tie the Rope   4 88 21.56
17
14
17267 Alturas de NoMeAcuerdo   2 72 61.67
17
14
20654 Interesting Subset   5 93 23.38
11
14
21599 POWER LEFT   1 108 20.96
21
14
21615 Playing with GCD   21 927 35.10
12
14
23147 The Ultimate Riddle   3 123 35.04
24
14
24247 Monkey King   2 115 21.04
14
14
25789 Laser Maze   8 45 52.82
24
14
27039 Assembly line   17 514 24.57
17
14
28265 Ada and Rain   14 396 54.69
10
14
30499 TWO STRINGS   5 24 31.34
14
14
31974 Ada and Birthday   4 36 27.03
21
14
32469 Minions v/s Minions   5 62 56.64
17
14
34867 Coding Test   8 154 23.82
16
14
35381 VALENTINE   2 35 26.40
11
14
40667 Ambitious XOXO   5 36 48.84
11
14
4033 Phone List   151 6924 31.50
16
14
10394 Buying Apples!   72 5390 34.87
12
14
4564 Chop Ahoy! Revisited!   55 2940 50.88
12
14
3033 Help the soldier   18 1242 29.02
12
14
20063 Large subsequence Problem   20 443 41.95
10
14
27381 Emoticon   27 799 49.95
8
14
381 106 miles to Chicago   50 3150 36.57
15
14
7150 Palindrome 2000   56 3192 27.22
15
14
26054 BMW   21 609 17.56
13
14
27225 Knight Move   12 441 29.42
15
14
91 Two squares or not two squares   79 6014 24.58
11
14
4164 A conjecture of Paul ErdÅ‘s   23 2130 44.49
16
14
10283 ALL IZZ WELL   69 3445 31.29
17
14
16487 Update the array !   165 4888 38.63
9
14
11402 The Indian Connection   19 2287 36.20
8
14
14935 Cactus   5 159 19.21
16
14
16281 War   13 1095 48.01
8
14
23153 Equivalent Passwords   9 71 36.04
21
14
27487 Police Men   10 260 42.97
14
14
34502 ZERO TRIPLET   12 77 15.66
17
14
34619 Pizza Prize   6 128 46.17
16
14
34670 TWISTED ARRAY   -1 192 41.80
2
14
3878 Rectangles Perimeter   58 2689 49.81
12
14
27318 Primal Fear   30 1480 22.26
13
14
31040 Namit In Trouble   20 754 23.46
14
14
302 Count on Cantor   154 12998 61.31
13
14
32 A Needle in the Haystack   193 10949 38.21
15
14
2852 Broken Keyboard   19 1194 31.54
14
14
5978 Frequent Prime Ranges   10 693 29.23
14
14
10500 Haybale stacking   22 3167 33.90
10
14

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