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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2884 Martian Mining   87 2300 47.78
13
22
101 Fishmonger   48 2304 38.15
17
21
9034 Help Tohu   12 2310 45.32
5
23
12933 n-divisors   60 2312 19.31
18
17
14138 Amazing Factor Sequence   38 2333 37.09
11
12
4164 A conjecture of Paul ErdÅ‘s   24 2338 44.13
16
15
1798 Assistance Required   14 2353 45.22
16
7
10395 Sum of divisors!   25 2357 27.08
16
18
16121 MODIFY SEQUENCE   26 2363 48.41
6
7
1162 Tic-Tac-Toe ( II )   8 2364 30.32
17
10
178 Road net   12 2376 49.63
9
8
28306 Ada and Queue   28 2376 25.83
11
9
10810 Its a Murder!   55 2386 22.06
16
17
8756 Shake Shake Shaky   51 2396 23.81
12
14
2530 Tiling a Grid With Dominoes   60 2410 64.84
16
24
6772 Happy Coins   14 2440 55.35
3
10
4103 Extend to Palindrome   41 2445 30.01
16
17
1167 Move To Invert   13 2448 31.77
8
16
10628 Count on a tree   63 2461 17.15
32
31
4557 Musical Chairs   23 2474 46.67
9
19
14329 Magic of the locker   19 2500 19.23
4
13
10537 Edit Distance Again   22 2535 42.12
4
6
21326 Akbar , The great   63 2537 15.84
21
18
4031 Mass of Molecule   29 2575 48.07
12
9
94 Numeral System of the Maya   4 2582 40.49
10
6
8238 N-Factorful   69 2625 26.45
17
16
17761 Gopu and Digits Divisibility   17 2627 42.95
4
4
3638 Word Counting   7 2632 21.06
10
6
1744 Evaluate the polynomial   19 2634 48.71
5
7
106 Binary Stirling Numbers   3 2655 36.79
4
17
22 Triangle From Centroid   10 2678 45.97
8
20
3878 Rectangles Perimeter   58 2694 49.81
12
14
4177 Herding   57 2714 35.23
14
15
2916 Can you answer these queries V   51 2716 26.33
23
23
17110 Black Widow Rings   15 2718 52.09
3
3
43 Copying Books   45 2794 25.66
19
19
3871 GCD Extreme   80 2798 29.63
19
26
18150 SHAKTIMAN AND KILWISH   25 2805 63.66
3
9
6818 Capital City   93 2807 39.10
20
20
11404 Save Thy Toys   70 2814 30.17
12
15
1840 Printer Queue   26 2901 47.71
14
9
4110 Fast Maximum Flow   48 2901 34.26
25
22
263 Period   55 2923 39.79
12
17
9756 Alaska   24 2928 35.82
5
3
4564 Chop Ahoy! Revisited!   55 2943 50.84
12
14
1002 Uncle Jack   13 2964 39.66
9
8
1418 The Cats and the Mouse   55 2972 33.71
10
12
8952 Catapult that ball   34 2978 26.17
12
12
6 Simple Arithmetics   11 3034 12.15
30
9
739 The Moronic Cowmpouter   19 3052 50.62
11
15

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