Problem3676--【语言基础】abc479a-Odd Index Sum

3676: 【语言基础】abc479a-Odd Index Sum

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 3Submit Num: 3Statistics

Description

Sample Input Copy 

5
3 1 4 1 5

Sample Output Copy 

12

Source/Category

atcoder 循环 
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