list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
25158 Star   15 309 34.37
12
19
34020 Ada and Pet   29 627 26.86
13
19
7258 Lexicographical Substring Search   28 2058 21.71
23
19
43 Copying Books   45 2728 25.55
19
19
666 Con-Junctions   32 984 40.62
14
19
4350 GiĆ” trị lớn nhất 3   14 409 23.22
28
19
9387 Special String   11 1095 39.43
6
19
13805 X-MEN   16 893 27.53
17
19
5972 Maximum Sum Sequences   14 1142 20.64
15
18
9650 Mega Inversions   12 594 42.87
11
18
11401 Bazinga!   16 658 23.20
24
18
3693 Maximum Sum   57 6404 42.11
19
18
32840 Ada and Digits   15 168 41.87
20
18
5295 Adjacent Bit Counts   86 3562 65.73
14
18
3763 George   15 520 52.54
19
18
24999 1807   10 519 38.42
15
18
5 The Next Palindrome   452 19977 10.73
25
18
1811 Longest Common Substring   33 3094 21.36
20
18
24689 Fibo and non fibo   10 308 32.64
18
18
11840 Sum of Squares with Segment Tree   53 2019 50.91
23
18
32899 Mean of array   20 171 31.79
15
18
8 Complete the Sequence!   32 4380 37.73
16
18
63 Square Brackets   92 3840 56.85
14
18
6256 Inversion Count   531 16900 31.63
16
18
7870 Invisible point   17 1641 42.73
4
18
22776 Balika Vadhu and Alok Nath   61 1186 33.38
14
18
3861 Laser Phones   30 1355 28.59
20
18
1841 Prime Path   336 10393 57.92
19
18
364 Pocket Money   53 2236 38.51
15
18
28307 Ada and Game   52 615 31.94
14
18
8002 Horrible Queries   396 10769 29.48
19
18
4201 Coder Ratings   26 1386 35.98
15
18
247 Chocolate   74 5745 44.23
10
18
10395 Sum of divisors!   25 2339 27.01
16
18
10620 KNJIGE   27 1439 44.33
4
18
48 Glass Beads   28 3367 37.80
15
18
50 Invitation Cards   29 1722 43.00
16
18
6691 Picking Up Chicks   29 2196 32.14
11
18
6219 Edit distance   305 13088 33.17
12
18
1435 Vertex Cover   128 4030 34.10
15
18
1029 Matrix Summation   52 3421 20.00
15
18
21326 Akbar , The great   63 2419 15.77
21
18
181 Scuba diver   98 3789 25.94
18
18
7299 Multiples of 3   120 3680 23.40
20
17
12 The Game of Master-Mind   1 746 48.15
17
17
26 Build the Fence   37 2214 28.15
22
17
36 Secret Code   6 539 36.59
17
17
37 The Proper Key   1 135 15.49
17
17
44 Substitution Cipher   2 320 13.49
17
17
47 Skyscraper Floors   6 282 12.64
24
17

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