Simple Array Sum, Algorithm

Given an array of integers, can you find the sum of its elements?

Input Format

The first line contains an integer, , denoting the size of the array.
The second line contains space-separated integers representing the array’s elements.

Output Format

Print the sum of the array’s elements as a single integer.

Sample Input

6
1 2 3 4 10 11

Sample Output

31

Explanation

We print the sum of the array’s elements, which is: .

 


<?php

$handle = fopen ("php://stdin","r");
fscanf($handle,"%d",$n);
$arr_temp = fgets($handle);
$arr = explode(" ",$arr_temp);
array_walk($arr,'intval');
echo array_sum($arr);

?>

 

 

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