C++ Program to find Sum of Array

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Find Sum of Array

In the following example, we will sum up all the elements (values) in an array (arr).

Example

C++ Compiler
#include <iostream> using namespace std; int main() { int i, sum = 0; int arr[5] = {1, 2, 3, 4, 5}; for(i=0; i<5; i++) sum += arr[i]; cout << "Sum of array: " << sum; return 0; }

Find Sum of any Given Elements in an Array

In the following example, we will sum up any given elements in an array.

Example

C++ Compiler
#include <iostream> using namespace std; int main() { int i, arr[5], sum = 0; cout << "Enter any 5 (int) numbers:\n"; for(i=0; i<5; i++) cin >> arr[i]; for(i=0; i<5; i++) sum += arr[i]; cout << "Sum of array: "<< sum; return 0; }

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