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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8217 XOR Maximization   47 1650 22.85
17
28
11063 AP - Complete The Series (Easy)   47 12966 37.22
3
6
31 Fast Multiplication   48 8616 20.64
15
12
372 The Benefactor   48 3034 35.52
12
13
6470 Finding the Kth Prime   48 7136 27.24
19
14
9126 Time to live   48 2021 37.76
12
15
17247 Digit Sum   48 2982 36.29
18
21
1786 In Danger   49 4361 53.59
7
13
17725 Bad XOR   49 1033 23.83
16
22
381 106 miles to Chicago   50 3140 36.55
15
14
1799 The Bottom of a Graph   50 1717 32.42
21
21
13769 Roommate Agreement   50 1454 31.13
11
17
212 Water among Cubes   51 1479 25.81
25
27
2916 Can you answer these queries V   51 2545 25.89
23
23
5832 AND Rounds   51 1688 24.83
17
20
7974 What’s Next   51 39985 35.29
2
2
8756 Shake Shake Shaky   51 2364 23.84
12
14
28308 Ada and Spring Cleaning   51 1263 18.79
18
17
1029 Matrix Summation   52 3416 20.00
15
18
1703 ACM (ACronymMaker)   52 1072 29.81
26
21
2815 Increasing Subsequences   52 2145 28.19
14
22
8785 Cut the Silver Bar   52 5265 54.48
5
16
11354 Amusing numbers   52 3231 59.87
13
15
15436 Slick   52 2032 33.19
9
9
28307 Ada and Game   52 615 31.98
14
18
27 Sorting Bank Accounts   53 8686 40.49
11
6
364 Pocket Money   53 2236 38.52
15
18
11840 Sum of Squares with Segment Tree   53 2015 50.91
23
18
12448 How Many Games?   53 3721 22.43
14
12
30 Bytelandian Blingors Network   54 3716 39.05
14
10
1418 The Cats and the Mouse   54 2958 33.71
10
12
2148 Candy III   54 20343 25.29
9
5
263 Period   55 2767 39.31
12
17
3883 LATGACH3   55 3144 56.67
10
20
4452 Simple Arithmetics II   55 7444 42.38
11
5
4564 Chop Ahoy! Revisited!   55 2940 50.88
12
14
10810 Its a Murder!   55 2358 22.07
16
17
30738 Ada and Coins   55 731 30.53
14
22
902 Hangover   56 17743 62.75
3
3
4177 Herding   56 2697 35.19
14
15
7150 Palindrome 2000   56 3176 27.12
15
14
22393 KATHTHI   56 1758 32.20
16
17
28305 Ada and Indexing   56 1744 40.94
15
15
2530 Tiling a Grid With Dominoes   57 2385 64.98
15
23
3693 Maximum Sum   57 6365 42.03
19
18
8061 Christmas Play   57 7721 48.24
6
4
10514 K12 - Building Construction   57 1884 25.63
12
17
348 Expedition   58 2192 20.45
20
20
3878 Rectangles Perimeter   58 2689 49.85
12
14
7208 Black or White   58 1437 43.45
16
19

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