list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
27307 Alternating Sequences   62 2127 32.62
8
9
1028 Hubulullu   61 8257 58.72
2
15
18155 abs(a-b) I   61 4700 47.91
5
9
22776 Balika Vadhu and Alok Nath   61 1202 33.53
14
18
1837 Pie   60 4130 30.44
18
15
2530 Tiling a Grid With Dominoes   60 2440 64.85
16
24
2713 Can you answer these queries IV   60 4382 17.74
21
21
2906 GCD2   60 6868 36.48
12
11
3921 The Great Ball   60 3950 39.19
7
11
10514 K12 - Building Construction   60 2071 26.47
12
16
12933 n-divisors   60 2340 19.39
18
17
15965 PLAY WITH MATH   60 6904 46.49
4
5
18284 Petya and the Road Repairs   60 892 24.02
19
22
3693 Maximum Sum   59 6624 42.45
19
18
10798 Wachovia Bank   59 4065 46.73
7
8
28305 Ada and Indexing   59 2357 42.93
15
15
30738 Ada and Coins   59 865 31.85
14
22
348 Expedition   58 2265 20.73
20
20
3878 Rectangles Perimeter   58 2702 49.87
12
14
7208 Black or White   58 1482 42.45
16
19
22393 KATHTHI   58 2213 33.41
16
17
263 Period   57 3062 40.08
12
17
902 Hangover   57 17908 62.79
3
3
4177 Herding   57 2731 35.22
14
15
7150 Palindrome 2000   57 3302 27.62
14
14
8061 Christmas Play   57 7793 48.26
6
4
10810 Its a Murder!   56 2403 22.15
16
16
1418 The Cats and the Mouse   55 3001 33.76
10
12
3883 LATGACH3   55 3205 56.47
10
20
4452 Simple Arithmetics II   55 7514 42.29
11
5
4564 Chop Ahoy! Revisited!   55 2968 50.84
12
14
11840 Sum of Squares with Segment Tree   55 2087 51.04
23
19
30 Bytelandian Blingors Network   54 3791 39.26
14
10
212 Water among Cubes   54 1615 26.43
25
27
2148 Candy III   54 20557 25.33
9
5
17247 Digit Sum   54 3885 37.90
18
22
28307 Ada and Game   54 630 31.59
14
19
28308 Ada and Spring Cleaning   54 1608 20.76
18
17
27 Sorting Bank Accounts   53 8977 40.34
11
6
364 Pocket Money   53 2248 38.59
15
18
1029 Matrix Summation   53 3559 20.15
15
18
2815 Increasing Subsequences   53 2184 28.17
15
22
7974 What’s Next   53 51761 35.42
2
2
11354 Amusing numbers   53 3254 59.78
13
15
12448 How Many Games?   53 3759 22.36
14
12
1703 ACM (ACronymMaker)   52 1097 29.70
26
21
2916 Can you answer these queries V   52 2889 26.69
23
24
8785 Cut the Silver Bar   52 5382 54.42
5
16
13769 Roommate Agreement   52 1493 31.46
11
16
15436 Slick   52 2271 32.77
9
9

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