1481: LYS 拿 HF 的U盘
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:25
Solved:1
Description
Input
Output
Sample Input Copy
5
10011
1 5 4 3 2
Sample Output Copy
8
HINT
1≤N≤1×10$^6$;1≤G≤1×10$^9$。