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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7150 Palindrome 2000   56 3170 27.11
15
14
5450 Tiles of Tetris, Not!   15 3146 35.93
4
5
3883 LATGACH3   55 3142 56.69
10
20
7757 Flowers Flourish from France   12 3140 52.98
7
2
381 106 miles to Chicago   50 3136 36.53
15
14
3273 Order statistic set   157 3091 25.76
22
20
8132 Street Trees   33 3071 46.96
6
11
10500 Haybale stacking   22 3063 33.86
10
14
100 Tower of Babylon   44 3050 50.53
19
21
1811 Longest Common Substring   33 3040 21.19
20
18
739 The Moronic Cowmpouter   19 3038 50.57
11
15
96 Shopping   45 3034 44.25
15
11
372 The Benefactor   48 3033 35.51
12
13
11516 VALIDATE THE MAZE   63 3030 32.04
11
8
6 Simple Arithmetics   10 3000 12.36
30
9
17247 Digit Sum   48 2963 36.24
18
21
1002 Uncle Jack   13 2957 39.65
9
8
1418 The Cats and the Mouse   54 2955 33.77
10
12
4564 Chop Ahoy! Revisited!   55 2937 50.86
12
14
9756 Alaska   24 2917 35.81
5
3
1840 Printer Queue   26 2812 47.24
14
9
11404 Save Thy Toys   70 2809 30.18
12
15
10707 Count on a tree II   62 2804 19.00
31
31
4110 Fast Maximum Flow   47 2791 34.38
25
22
18150 SHAKTIMAN AND KILWISH   25 2777 63.89
3
9
263 Period   55 2763 39.29
12
17
8952 Catapult that ball   36 2746 26.26
12
12
17110 Black Widow Rings   15 2712 52.14
3
3
43 Copying Books   44 2710 25.57
19
19
4177 Herding   56 2696 35.18
14
15
3878 Rectangles Perimeter   58 2689 49.85
12
14
6818 Capital City   92 2689 38.88
19
20
1744 Evaluate the polynomial   19 2632 48.69
5
7
22 Triangle From Centroid   9 2626 46.62
9
22
17761 Gopu and Digits Divisibility   17 2620 42.93
4
4
3638 Word Counting   7 2619 21.04
10
6
106 Binary Stirling Numbers   3 2617 36.56
4
17
94 Numeral System of the Maya   4 2573 40.49
10
6
4031 Mass of Molecule   29 2557 48.09
12
9
2916 Can you answer these queries V   51 2536 25.84
23
23
10537 Edit Distance Again   22 2534 42.08
4
6
3871 GCD Extreme   77 2486 29.45
18
26
4557 Musical Chairs   23 2472 46.67
9
19
8238 N-Factorful   67 2464 26.39
17
16
1167 Move To Invert   13 2444 31.76
8
16
6772 Happy Coins   14 2407 55.51
3
10
14329 Magic of the locker   19 2394 19.30
4
13
2530 Tiling a Grid With Dominoes   57 2384 65.02
15
23
21326 Akbar , The great   63 2370 15.74
21
18
178 Road net   11 2363 49.54
9
8

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