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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7150 Palindrome 2000   56 3174 27.12
15
14
5450 Tiles of Tetris, Not!   15 3148 35.94
4
5
3883 LATGACH3   55 3144 56.67
10
20
7757 Flowers Flourish from France   12 3140 52.98
7
2
381 106 miles to Chicago   50 3139 36.55
15
14
3273 Order statistic set   157 3095 25.76
22
20
8132 Street Trees   33 3071 46.96
6
11
10500 Haybale stacking   22 3070 33.86
10
14
1811 Longest Common Substring   33 3057 21.24
20
18
100 Tower of Babylon   44 3050 50.53
19
21
739 The Moronic Cowmpouter   19 3038 50.57
11
15
96 Shopping   46 3035 44.26
15
11
11516 VALIDATE THE MAZE   63 3034 32.06
11
8
372 The Benefactor   48 3033 35.51
12
13
6 Simple Arithmetics   10 3001 12.36
30
9
17247 Digit Sum   48 2973 36.30
18
21
1002 Uncle Jack   13 2957 39.65
9
8
1418 The Cats and the Mouse   54 2957 33.71
10
12
4564 Chop Ahoy! Revisited!   55 2939 50.88
12
14
9756 Alaska   24 2917 35.81
5
3
1840 Printer Queue   26 2817 47.28
14
9
10707 Count on a tree II   62 2817 19.02
31
31
11404 Save Thy Toys   70 2809 30.18
12
15
4110 Fast Maximum Flow   47 2796 34.38
25
22
18150 SHAKTIMAN AND KILWISH   25 2779 63.88
3
9
263 Period   55 2765 39.30
12
17
8952 Catapult that ball   36 2748 26.26
12
12
43 Copying Books   44 2717 25.52
19
19
17110 Black Widow Rings   15 2712 52.14
3
3
4177 Herding   56 2696 35.18
14
15
6818 Capital City   92 2690 38.88
19
20
3878 Rectangles Perimeter   58 2689 49.85
12
14
1744 Evaluate the polynomial   19 2632 48.69
5
7
22 Triangle From Centroid   9 2628 46.63
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 2559 48.11
12
9
2916 Can you answer these queries V   51 2541 25.87
23
23
10537 Edit Distance Again   22 2534 42.08
4
6
3871 GCD Extreme   77 2496 29.45
18
26
4557 Musical Chairs   23 2472 46.67
9
19
8238 N-Factorful   67 2465 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 2400 19.30
4
13
2530 Tiling a Grid With Dominoes   57 2384 65.02
15
23
21326 Akbar , The great   63 2374 15.75
21
18
178 Road net   11 2363 49.54
9
8

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