Problem3399--【语言基础】循环练习-abc403a- Odd Position Sum

3399: 【语言基础】循环练习-abc403a- Odd Position Sum

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Time Limit : 1.000 sec  Memory Limit : 128 MB

Description

Sample Input Copy

7
3 1 4 1 5 9 2

Sample Output Copy

14

Source/Category