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Problem: Given an array A of size N, print the reverse of it.
Example:
Input: 4 // size of array 1 2 3 4 //array element Output: 4 3 2 1 //reverse of array
Program to print reverse an Array
#include <bits/stdc++.h>
using namespace std;
int main() {
//code
int t,n,temp,i,j;
cin>>t;
for(int i=0;i<t;i++){
cin>>n;
vector<int>arr(n);
for(int i=0; i<n; i++){
cin>>arr[i];
}
i=0;
j=n-1;
while(i<=j)
{
temp=arr[j];
arr[j]=arr[i];
arr[i]=temp;
i++;
j--;
}
for(auto it1 : arr)
cout<<it1<<" ";
cout<<endl;
}
return 0;
}