Hometask

214B1600· expert2s256 MB⌨ stdin/stdout

#brute force #constructive algorithms #greedy #math

Examples

Sample 1of 3

Input

1
0

Output

Sample 2of 3

Input

11
3 4 5 4 5 3 5 3 4 4 0

Output

5554443330

Sample 3of 3

Input

8
3 2 5 1 5 2 2 3

Output

-1

214B.cpp

loading editor…

Ln 11·137 BGNU C++20 (64)