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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
15436 Slick   52 2266 32.72
9
9
203 Potholers   22 2290 26.51
16
12
11175 The Ball Game   15 2291 44.10
2
12
15259 Large Knapsack   46 2291 26.11
17
17
7258 Lexicographical Substring Search   32 2294 22.74
23
19
11402 The Indian Connection   19 2298 36.29
8
14
9034 Help Tohu   12 2317 45.36
5
23
101 Fishmonger   48 2318 38.19
17
21
2884 Martian Mining   89 2328 47.80
13
22
12933 n-divisors   60 2340 19.39
18
17
138 Election Posters   65 2341 25.84
20
21
28305 Ada and Indexing   59 2349 42.88
15
15
14138 Amazing Factor Sequence   38 2351 37.23
11
12
1798 Assistance Required   14 2380 44.79
16
7
16121 MODIFY SEQUENCE   26 2380 48.49
6
7
10395 Sum of divisors!   25 2383 27.06
16
18
178 Road net   12 2394 49.63
9
8
10810 Its a Murder!   56 2403 22.15
16
16
1162 Tic-Tac-Toe ( II )   8 2410 30.37
17
10
2530 Tiling a Grid With Dominoes   60 2440 64.86
16
24
8756 Shake Shake Shaky   51 2455 23.89
12
14
6772 Happy Coins   14 2457 55.25
3
10
1167 Move To Invert   13 2461 31.80
8
16
4557 Musical Chairs   23 2497 46.81
9
19
28306 Ada and Queue   28 2513 26.01
11
9
10537 Edit Distance Again   22 2546 42.24
4
6
10790 G-One Numbers   38 2546 47.55
17
19
4103 Extend to Palindrome   44 2588 30.59
16
17
94 Numeral System of the Maya   4 2599 40.57
10
6
4031 Mass of Molecule   29 2611 48.18
12
9
10628 Count on a tree   63 2627 17.41
32
31
14329 Magic of the locker   19 2630 19.40
4
13
1744 Evaluate the polynomial   19 2638 48.77
5
7
17761 Gopu and Digits Divisibility   17 2638 43.00
4
4
3638 Word Counting   7 2643 21.08
10
6
4164 A conjecture of Paul ErdÅ‘s   25 2680 43.76
16
14
106 Binary Stirling Numbers   3 2693 37.10
4
17
3878 Rectangles Perimeter   58 2702 49.87
12
14
22 Triangle From Centroid   10 2707 45.20
8
20
17110 Black Widow Rings   15 2727 52.18
3
3
21326 Akbar , The great   64 2728 16.05
21
17
4177 Herding   57 2730 35.22
14
15
8238 N-Factorful   72 2787 26.81
18
17
18150 SHAKTIMAN AND KILWISH   25 2824 63.67
3
9
11404 Save Thy Toys   70 2830 30.19
12
15
43 Copying Books   45 2849 25.81
19
19
2916 Can you answer these queries V   52 2888 26.69
23
24
9756 Alaska   24 2938 35.86
5
3
6818 Capital City   95 2963 39.51
20
20
4564 Chop Ahoy! Revisited!   55 2968 50.84
12
14

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