Program for Reverse an array | Placement Preparation Question

Write a program to reverse an array or string

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Problem statement:-

Given an array (or string), the task is to reverse the array/string.

Examples : 

Input  : arr[] = {1, 2, 3}

Output : arr[] = {3, 2, 1}

Input :  arr[] = {4, 5, 1, 2}

Output : arr[] = {2, 1, 5, 4}

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Source Code of Reverse an Array:

#include<iostream>

using namespace std;

int main(){

    int n,c=0,temp;

    cout<<"enter number of element\n";

    cin>>n;

    int ar[n];

     cout<<"enter "<<n<<" element\n";

    for(int i=0;i<n;i++){

        cin>>ar[i];

    }

    for(int i=n-1;i>=n/2;i--){

        temp=ar[i];

        ar[i]= ar[c];

        ar[c]= temp;

        c++;

    }

    cout<<"After Reverse\n";

    for(int i=0;i<n;i++){

        cout<<ar[i]<<", ";

    }

}

The output of Reverse an Array:

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