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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13753 Amazing Prime Sequence   61 3303 29.76
11
12
18155 abs(a-b) I   61 4475 48.13
5
9
22776 Balika Vadhu and Alok Nath   61 1185 33.37
14
18
1028 Hubulullu   60 8199 58.76
2
15
1837 Pie   60 3813 30.37
18
15
2713 Can you answer these queries IV   60 3695 17.00
21
21
2906 GCD2   60 6790 36.48
12
11
3921 The Great Ball   60 3924 39.08
7
11
15965 PLAY WITH MATH   60 6830 46.45
4
5
12933 n-divisors   59 2289 19.29
18
17
18284 Petya and the Road Repairs   59 875 24.00
19
22
348 Expedition   58 2195 20.43
20
20
3878 Rectangles Perimeter   58 2689 49.85
12
14
7208 Black or White   58 1437 43.45
16
19
10798 Wachovia Bank   58 3813 46.87
7
9
2530 Tiling a Grid With Dominoes   57 2387 65.00
15
23
3693 Maximum Sum   57 6383 42.08
19
18
8061 Christmas Play   57 7725 48.25
6
4
10514 K12 - Building Construction   57 1894 25.71
12
17
902 Hangover   56 17752 62.75
3
3
4177 Herding   56 2698 35.21
14
15
7150 Palindrome 2000   56 3180 27.14
15
14
22393 KATHTHI   56 1781 32.23
16
17
28305 Ada and Indexing   56 1786 40.85
15
15
30738 Ada and Coins   56 738 30.65
14
22
263 Period   55 2778 39.36
12
17
3883 LATGACH3   55 3148 56.67
10
20
4452 Simple Arithmetics II   55 7447 42.37
11
5
4564 Chop Ahoy! Revisited!   55 2940 50.88
12
14
10810 Its a Murder!   55 2366 22.03
16
17
30 Bytelandian Blingors Network   54 3719 39.06
14
10
1418 The Cats and the Mouse   54 2960 33.71
10
12
2148 Candy III   54 20361 25.30
9
5
27 Sorting Bank Accounts   53 8740 40.43
11
6
364 Pocket Money   53 2236 38.52
15
18
11840 Sum of Squares with Segment Tree   53 2016 50.91
23
18
12448 How Many Games?   53 3729 22.43
14
12
1029 Matrix Summation   52 3421 20.00
15
18
1703 ACM (ACronymMaker)   52 1072 29.80
26
21
2815 Increasing Subsequences   52 2146 28.13
14
22
8785 Cut the Silver Bar   52 5269 54.45
5
16
11354 Amusing numbers   52 3232 59.86
13
15
15436 Slick   52 2037 33.18
9
9
28307 Ada and Game   52 615 31.98
14
18
212 Water among Cubes   51 1487 25.85
25
27
2916 Can you answer these queries V   51 2557 25.97
23
23
5832 AND Rounds   51 1690 24.82
17
20
7974 What’s Next   51 40384 35.20
2
2
8756 Shake Shake Shaky   51 2366 23.80
12
14
13769 Roommate Agreement   51 1459 31.16
11
17

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