#15. sum2
sum2
Background
Description
Given an array of ints, return the sum of the first 2 elements in the array. If the array length is less than 2, just sum up the elements that exist, returning 0 if the array is length 0.
Format
Input
Output
Samples
[1 2 3]
3
[1 1]
2
[1 1 1 1]
2
Limitation
1s, 1024KiB for each test case.