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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2412 Arranging Amplifiers   18 3246 27.32
7
16
11354 Amusing numbers   53 3245 59.84
13
15
15555 Check the coprimeness   23 3245 50.21
3
5
7150 Palindrome 2000   57 3232 27.35
14
14
3273 Order statistic set   159 3198 26.15
22
20
5450 Tiles of Tetris, Not!   15 3181 35.98
4
5
3883 LATGACH3   55 3180 56.50
10
20
10707 Count on a tree II   67 3173 19.24
31
30
381 106 miles to Chicago   50 3172 36.53
15
14
7757 Flowers Flourish from France   12 3160 52.99
7
2
11516 VALIDATE THE MAZE   64 3111 32.15
11
8
8132 Street Trees   33 3075 46.95
6
11
100 Tower of Babylon   44 3067 50.46
19
21
96 Shopping   46 3066 44.10
15
11
372 The Benefactor   48 3054 35.44
12
13
739 The Moronic Cowmpouter   19 3052 50.62
11
15
6 Simple Arithmetics   11 3034 12.15
30
9
8952 Catapult that ball   34 2978 26.17
12
12
1418 The Cats and the Mouse   55 2972 33.71
10
12
1002 Uncle Jack   13 2964 39.66
9
8
4564 Chop Ahoy! Revisited!   55 2943 50.84
12
14
9756 Alaska   24 2928 35.82
5
3
263 Period   55 2922 39.78
12
17
1840 Printer Queue   26 2901 47.71
14
9
4110 Fast Maximum Flow   48 2901 34.26
25
22
11404 Save Thy Toys   70 2814 30.17
12
15
6818 Capital City   93 2806 39.10
20
20
18150 SHAKTIMAN AND KILWISH   25 2805 63.66
3
9
3871 GCD Extreme   80 2798 29.63
19
26
43 Copying Books   45 2794 25.66
19
19
17110 Black Widow Rings   15 2718 52.09
3
3
2916 Can you answer these queries V   51 2716 26.33
23
23
4177 Herding   57 2714 35.23
14
15
3878 Rectangles Perimeter   58 2694 49.81
12
14
22 Triangle From Centroid   10 2678 45.97
8
20
106 Binary Stirling Numbers   3 2655 36.79
4
17
1744 Evaluate the polynomial   19 2634 48.71
5
7
3638 Word Counting   7 2632 21.06
10
6
17761 Gopu and Digits Divisibility   17 2627 42.95
4
4
8238 N-Factorful   69 2625 26.45
17
16
94 Numeral System of the Maya   4 2582 40.49
10
6
4031 Mass of Molecule   29 2575 48.07
12
9
21326 Akbar , The great   63 2536 15.84
21
18
10537 Edit Distance Again   22 2535 42.12
4
6
14329 Magic of the locker   19 2500 19.23
4
13
4557 Musical Chairs   23 2474 46.67
9
19
10628 Count on a tree   63 2461 17.15
32
31
1167 Move To Invert   13 2448 31.77
8
16
4103 Extend to Palindrome   41 2445 30.01
16
17
6772 Happy Coins   14 2440 55.35
3
10

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