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Largest sum of a run

medium

The first line has n. The second has n integers. Print the largest sum of any non-empty run of consecutive numbers.

Example 1: input

9
-2 1 -3 4 -1 2 1 -5 4

Output

6

Example 2: input

1
5

Output

5

Plus 2 hidden tests when you check your answer.

Your solution

Read from standard input and print the answer. Run it on the examples as often as you like, then check it against every test.

Stuck?

Open hints one at a time. The write-up explains a full solution.

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