Need some more test case to understand it

#1

need some more test case to understand the question properly

#2 
2, 3, -5, -10, 10
// ans should be (10 + 2 + 3) = 15

1, 2, 3, 4
// ans = (1 + 2 + 3 + 4) = 10

-10, -5, -3, -1, 1
// ans = 1
#3

https://ide.codingblocks.com/s/349248 ,all test case passed except test case 0 ,help me out please.

#4

@siddhant_samal take this test case
5
-5 3 4 -2 1
your output: 6
expected output: 7

#5

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