list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
96 Shopping   46 3035 44.25
15
11
739 The Moronic Cowmpouter   19 3038 50.57
11
15
100 Tower of Babylon   44 3050 50.53
19
21
1811 Longest Common Substring   33 3058 21.25
20
18
8132 Street Trees   33 3071 46.96
6
11
10500 Haybale stacking   22 3072 33.87
10
14
3273 Order statistic set   157 3096 25.76
22
20
381 106 miles to Chicago   50 3139 36.55
15
14
7757 Flowers Flourish from France   12 3140 52.98
7
2
3883 LATGACH3   55 3144 56.67
10
20
5450 Tiles of Tetris, Not!   15 3148 35.94
4
5
7150 Palindrome 2000   56 3174 27.12
15
14
2412 Arranging Amplifiers   18 3201 27.31
7
16
41 Play on Words   42 3202 19.38
21
24
15555 Check the coprimeness   23 3224 50.26
3
5
1161 Tic-Tac-Toe ( I )   20 3229 22.89
12
10
11354 Amusing numbers   52 3230 59.87
13
15
13753 Amazing Prime Sequence   61 3301 29.75
11
12
130 Rent your airplane and make money   88 3335 28.63
18
17
9199 Circular Track   30 3336 40.26
7
14
48 Glass Beads   27 3347 37.77
15
17
4942 Integer Factorization (15 digits)   45 3363 32.29
11
11
11772 Negative Score   67 3367 34.29
10
11
154 Sweet and Sour Rock   79 3401 51.43
14
17
1029 Matrix Summation   52 3413 19.99
15
18
10283 ALL IZZ WELL   69 3422 31.25
17
14
5917 Factorial length   11 3462 34.54
5
17
2149 Biased Standings   21 3473 33.27
5
5
16 Sphere in a tetrahedron   12 3475 56.50
11
16
6694 D - Playing with Marbles   18 3491 66.81
3
5
6294 Yodaness Level   74 3513 49.20
15
16
5971 LCM Sum   80 3519 25.72
20
29
3934 Recaman’s Sequence   25 3526 53.89
9
6
5295 Adjacent Bit Counts   86 3537 65.95
14
18
4343 Empty Boxes   26 3546 66.06
2
13
29 Hash it!   14 3553 24.17
14
8
237 Sums in a Triangle   -13 3567 42.39
28
10
339 Recursive Sequence   75 3605 50.08
20
17
2713 Can you answer these queries IV   59 3650 16.91
21
21
7185 Bye Bye Cakes   17 3654 38.60
8
7
705 New Distinct Substrings   41 3660 26.18
26
24
7299 Multiples of 3   120 3669 23.36
20
17
2416 Distinct Subsequences   94 3686 36.20
12
22
5976 Traversing Grid   30 3704 58.49
6
10
30 Bytelandian Blingors Network   54 3713 39.04
14
10
8611 Non-Decreasing Digits   71 3715 54.78
7
11
12448 How Many Games?   54 3720 22.45
14
12
1684 Frequent values   111 3751 27.68
20
21
1710 Two Ends   115 3755 42.26
18
17
181 Scuba diver   98 3782 25.94
18
18

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