1. C++ program to find the sum and average of one dimensional integer array

#include<iostream>
using namespace std;

int main()
{
    int n;
    cout<<"Enter Number of elements you want to enter :: ";
    cin>>n;
    float arr1[n],sum=0,avg;
    for(int i = 0;i<n;i++){
        cin>>arr1[i];
        sum = sum + arr1[i];
    }
    for(int i = 0;i<n;i++)
        cout<<arr1[i]<<"\t";
    avg=  sum/5;
    cout<<"\nSum ="<<sum<<"\nPercentage = "<<avg;
    return 0;
}

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