Power Sequence

1397B1500· specialist1s256 MB⌨ stdin/stdout

#brute force #math #number theory #sortings

Examples

Sample 1of 2

Input

3
1 3 2

Output

Sample 2of 2

Input

3
1000000000 1000000000 1000000000

Output

1999982505

1397B.cpp

loading editor…

Ln 11·137 BGNU C++20 (64)