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Write C++ program to find sum of all elements of an array

YasminRadwan26
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2022-05-08
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Write C++ program to find sum of all elements of an array

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YasminRadwan26
2022-05-08
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I have used CodeBlocks compiler for debugging purpose. But you can use any C++ programming language compiler as per your availability.

#include <iostream>
#define MAX_SIZE 100 //Maximum size of the array
using namespace std;
 
int main()
{
    int arr[MAX_SIZE];
    int i, num, sum=0;
 
    //Reads size and elements in array
    cout<<"Enter size of the array: ";
    cin>>num;
    cout<<"Enter "<<num<< "elements in the array: "<<endl;
 
    for(i=0; i<num; i++)
    {
        cin>>arr[i];
    }
    //Adding all elements
    for(i=0; i<num; i++)
    {
        sum = sum + arr[i]; // Calculating sum
    }
   cout<<"Sum of all elements of array: "<< sum;
 
    return 0;
}

Result:

Enter size of the array: 5

Enter 5elements in the array: 

10

20

30

40

50

Sum of all elements of array: 150

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