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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7150 Palindrome 2000   56 3187 27.19
15
14
5450 Tiles of Tetris, Not!   15 3152 35.96
4
5
3883 LATGACH3   55 3150 56.69
10
20
381 106 miles to Chicago   50 3148 36.58
15
14
7757 Flowers Flourish from France   12 3146 53.00
7
2
10500 Haybale stacking   22 3142 33.86
10
14
3273 Order statistic set   157 3111 25.78
22
20
1811 Longest Common Substring   33 3097 21.37
20
18
8132 Street Trees   33 3071 46.96
6
11
17247 Digit Sum   48 3069 36.42
18
21
11516 VALIDATE THE MAZE   64 3059 32.06
11
8
100 Tower of Babylon   44 3056 50.51
19
21
96 Shopping   46 3042 44.15
15
11
372 The Benefactor   48 3042 35.53
12
13
739 The Moronic Cowmpouter   19 3042 50.58
11
15
6 Simple Arithmetics   11 3009 12.32
30
9
1418 The Cats and the Mouse   54 2962 33.71
10
12
1002 Uncle Jack   13 2958 39.66
9
8
4564 Chop Ahoy! Revisited!   55 2940 50.88
12
14
9756 Alaska   24 2917 35.80
5
3
10707 Count on a tree II   63 2892 18.72
31
31
1840 Printer Queue   26 2864 47.54
14
9
11404 Save Thy Toys   70 2810 30.18
12
15
4110 Fast Maximum Flow   47 2806 34.29
25
22
8952 Catapult that ball   36 2806 26.28
12
12
263 Period   55 2791 39.39
12
17
18150 SHAKTIMAN AND KILWISH   25 2786 63.87
3
9
43 Copying Books   45 2729 25.54
19
19
6818 Capital City   92 2726 38.97
19
20
17110 Black Widow Rings   15 2713 52.14
3
3
4177 Herding   56 2698 35.21
14
15
3878 Rectangles Perimeter   58 2689 49.81
12
14
22 Triangle From Centroid   9 2641 46.59
9
22
1744 Evaluate the polynomial   19 2633 48.70
5
7
3638 Word Counting   7 2624 21.05
10
6
17761 Gopu and Digits Divisibility   17 2622 42.91
4
4
106 Binary Stirling Numbers   3 2621 36.56
4
17
94 Numeral System of the Maya   4 2577 40.51
10
6
2916 Can you answer these queries V   51 2575 26.00
23
23
3871 GCD Extreme   79 2567 29.39
19
26
4031 Mass of Molecule   29 2565 48.15
12
9
8238 N-Factorful   68 2547 26.35
17
16
10537 Edit Distance Again   22 2535 42.09
4
6
4557 Musical Chairs   23 2473 46.65
9
19
1167 Move To Invert   13 2445 31.76
8
16
14329 Magic of the locker   19 2428 19.26
4
13
21326 Akbar , The great   63 2423 15.78
21
18
6772 Happy Coins   14 2416 55.24
3
10
2530 Tiling a Grid With Dominoes   57 2388 64.95
15
23
8756 Shake Shake Shaky   51 2370 23.82
12
14

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