Segment Sum

1073E2300· international master1s256 MB⌨ stdin/stdout

#bitmasks #combinatorics #dp #math

Examples

Sample 1of 3

Input

10 50 2

Output

Sample 2of 3

Input

1 2345 10

Output

Sample 3of 3

Input

101 154 2

Output

1073E.cpp

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Ln 11·137 BGNU C++20 (64)