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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 26.82
11
14
15438 Valences   11 1262 41.58
4
7
18966 Vacation Planning   3 137 25.67
17
17
389 Use of Hospital Facilities   1 50 11.68
34
26
1440 Use of Function Arctan   4 533 29.06
5
26
28653 Urinals   5 11 11.19
26
17
31970 Urdhva - Tiryag Bhyam   -6 82 31.53
1
1
7859 Upper Right King (Hard)   3 165 36.85
26
34
16487 Update the array !   165 4913 38.62
9
14
15914 Update Sub-Matrix & Query Sub-Matrix   2 76 33.53
23
28
1031 Up Subsequence   2 727 32.58
15
10
2940 Untitled Problem II   116 15.16
34
2709 Untitled Problem   27 17.75
9517 Unlock the Cellphone   11 26.88
11440 Unlock it ! Part 2   45 21.02
10809 Unlock it !   82 30.26
31502 University Homework   5 55 29.16
20
6
9690 Universal Question Answering System   24 25.14
695 Unite Fast   1 129 27.29
9
9
10608 Unique Strings   2 65 47.46
17
17
38602 Unique Sequence   6 60 45.62
6
8
10814 Unique Paths   125 46.39
27379 Unique Code   21 124 19.66
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 2963 39.66
9
8
3314 Umnozak   105 29.17
42
17
41044 UkÅ‚adanie kart - Card stacking   1 29 41.86
17
17
7861 UFO   1 34 29.24
17
17
3249 Typesettin   2 34 45.45
1
1
4378 Twofive   63 32.26
17877 Two Swamills   1 65 40.09
17
34
36413 Two Sum Query   4 57 32.30
17
23
30499 TWO STRINGS   5 24 31.34
14
14
91 Two squares or not two squares   79 6032 24.60
11
14
26350 TWO SEQUENCES PROBLEM   12 267 31.46
10
15
4070 Two Professors   101 14.40
6717 Two Paths   8 217 17.52
34
36
17559 Two Game   5 317 36.97
1
39
11579 Two Famous Companies   2 207 21.00
9
17
1710 Two Ends   115 3760 41.98
18
17
6831 Two Ball Game   64 28.05
6377 Two Array Problem   4 185 27.61
17
26
5115 Two "Ways"   63 14.95
34670 TWISTED ARRAY   -1 197 41.88
2
14
7734 Twist and whirl - want to cheat   8 237 45.34
24
17

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