DS-S95-CA2-1

Time Limit: 2 Seconds    Memory Limit: 4096 KB

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Input

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Output

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Sample Input

5
5 1 2 4 3
5
3 4 2 1 5
10
7 1 4 6 8 9 5 2 3 10
13
1 9 7 13 6 3 10 5 11 8 12 2 4 
0

Sample Output

1 
3 
15
23

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