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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
22560 Valid Path   5 60 38.11
4
7
35381 VALENTINE   2 36 27.27
11
14
15438 Valences   11 1260 41.59
4
7
18966 Vacation Planning   3 135 25.56
17
17
389 Use of Hospital Facilities   1 50 11.75
34
26
1440 Use of Function Arctan   4 529 29.16
5
26
28653 Urinals   5 11 11.28
26
17
31970 Urdhva - Tiryag Bhyam   -6 81 31.43
1
1
7859 Upper Right King (Hard)   3 165 36.85
26
34
16487 Update the array !   164 4850 38.58
9
14
15914 Update Sub-Matrix & Query Sub-Matrix   2 70 33.54
23
28
1031 Up Subsequence   2 725 32.52
17
12
2940 Untitled Problem II   115 15.16
34
2709 Untitled Problem   27 17.75
9517 Unlock the Cellphone   11 26.88
11440 Unlock it ! Part 2   45 21.09
10809 Unlock it !   83 30.99
31502 University Homework   5 54 29.36
20
6
9690 Universal Question Answering System   24 25.14
695 Unite Fast   1 128 27.30
17
17
10608 Unique Strings   2 65 47.46
17
17
38602 Unique Sequence   6 54 47.14
6
8
10814 Unique Paths   123 46.00
27379 Unique Code   21 122 19.26
20
20
14862 Union Laser   3 31 48.55
23
17
21643 Unhappy Numbers   6 45 36.75
31
31
15649 Unequalled Consumption   1 12 19.12
17
34
21049 Under Construction Forever   1 15 44.44
17
34
2271 Undecodable Codes   46 13.01
1002 Uncle Jack   13 2957 39.65
9
8
3314 Umnozak   102 29.03
42
17
41044 UkÅ‚adanie kart - Card stacking   23 43.28
7861 UFO   1 35 30.00
17
17
3249 Typesettin   2 33 45.68
1
1
4378 Twofive   63 32.26
17877 Two Swamills   1 60 39.63
17
34
36413 Two Sum Query   3 55 33.33
17
17
30499 TWO STRINGS   5 24 31.34
14
14
91 Two squares or not two squares   79 5997 24.55
11
14
26350 TWO SEQUENCES PROBLEM   12 264 31.30
10
15
4070 Two Professors   101 14.47
6717 Two Paths   8 212 17.29
34
36
17559 Two Game   5 317 36.97
1
39
11579 Two Famous Companies   2 181 19.66
9
17
1710 Two Ends   115 3755 42.27
18
17
6831 Two Ball Game   64 28.22
6377 Two Array Problem   4 185 27.61
17
26
5115 Two "Ways"   63 15.00
34670 TWISTED ARRAY   186 41.51
2
14
7734 Twist and whirl - want to cheat   8 229 45.06
24
17

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