Classical?

1285F2900· international gm1s256 MB⌨ stdin/stdout

#binary search #combinatorics #number theory

Examples

Sample 1of 2

Input

3
13 35 77

Output

Sample 2of 2

Input

6
1 2 4 8 16 32

Output

1285F.cpp

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Ln 11·137 BGNU C++20 (64)