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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9734 Hacking the random number generator   61 5780 38.84
8
6
13753 Amazing Prime Sequence   61 3314 29.80
11
12
18155 abs(a-b) I   61 4498 48.11
5
9
22776 Balika Vadhu and Alok Nath   61 1188 33.41
14
18
1837 Pie   60 3846 30.28
18
15
2713 Can you answer these queries IV   60 3782 17.05
21
21
2906 GCD2   60 6799 36.49
12
11
3921 The Great Ball   60 3932 39.11
7
11
15965 PLAY WITH MATH   60 6851 46.46
4
5
12933 n-divisors   59 2292 19.28
18
17
18284 Petya and the Road Repairs   59 876 24.00
19
22
348 Expedition   58 2205 20.47
20
20
3878 Rectangles Perimeter   58 2689 49.81
12
14
7208 Black or White   58 1438 43.45
16
19
10798 Wachovia Bank   58 3826 46.88
7
9
2530 Tiling a Grid With Dominoes   57 2391 64.97
15
23
3693 Maximum Sum   57 6425 42.13
19
18
8061 Christmas Play   57 7736 48.25
6
4
10514 K12 - Building Construction   57 1911 25.74
12
17
22393 KATHTHI   57 1827 32.37
16
17
28305 Ada and Indexing   57 1869 40.66
15
15
902 Hangover   56 17790 62.77
3
3
4177 Herding   56 2705 35.24
14
15
7150 Palindrome 2000   56 3199 27.24
15
14
30738 Ada and Coins   56 743 30.75
14
22
263 Period   55 2804 39.44
12
17
1418 The Cats and the Mouse   55 2962 33.71
10
12
3883 LATGACH3   55 3152 56.67
10
20
4452 Simple Arithmetics II   55 7450 42.37
11
5
4564 Chop Ahoy! Revisited!   55 2940 50.88
12
14
10810 Its a Murder!   55 2374 22.04
16
17
30 Bytelandian Blingors Network   54 3728 39.10
14
10
2148 Candy III   54 20399 25.31
9
5
11840 Sum of Squares with Segment Tree   54 2021 50.92
23
19
27 Sorting Bank Accounts   53 8768 40.42
11
6
364 Pocket Money   53 2238 38.52
15
18
11354 Amusing numbers   53 3236 59.80
13
15
12448 How Many Games?   53 3733 22.40
14
12
1029 Matrix Summation   52 3430 19.99
15
18
1703 ACM (ACronymMaker)   52 1072 29.80
26
21
2815 Increasing Subsequences   52 2147 28.14
14
22
8785 Cut the Silver Bar   52 5284 54.47
5
16
15436 Slick   52 2062 33.13
9
9
28307 Ada and Game   52 615 31.87
14
18
212 Water among Cubes   51 1507 25.97
25
27
2916 Can you answer these queries V   51 2595 26.05
23
23
5832 AND Rounds   51 1692 24.82
17
20
7974 What’s Next   51 40915 35.12
2
2
8756 Shake Shake Shaky   51 2379 23.84
12
14
13769 Roommate Agreement   51 1461 31.18
11
17

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