1510: 连环画
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:3
Solved:1
Description
Sample Input Copy
4
1 2 4 5
Sample Output Copy
7
HINT
【样例输入2】
6
1 1 1 1 1 1
【样例输出2】
6