Infinite Set

1635D1800· expert2s256 MB⌨ stdin/stdout

#bitmasks #dp #math #matrices #number theory #strings

Examples

Sample 1of 3

Input

2 4
6 1

Output

Sample 2of 3

Input

4 7
20 39 5 200

Output

Sample 3of 3

Input

2 200000
48763 1000000000

Output

448201910

1635D.cpp

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Ln 11·137 BGNU C++20 (64)