Reverse Columns In Matrix

Java code:

import java.util.*;
public class Hello {

    public static void main(String[] args) {
Scanner s=new Scanner(System.in);
int n=s.nextInt();
int a[][]=new int [n][n];
for(int i=0;i<n;i++)
    for(int j=0;j<n;j++)
        a[i][j]=s.nextInt();
for(int i=n-1;i>=0;i--)
{
for(int j=0;j<n;j++)
{
System.out.print(a[i][j]+" ");
}
System.out.println();
}
    }
}


C Code:
#include<stdio.h>
#include <stdlib.h>

int main()
{
int n,i,j;
scanf("%d",&n);
int a[n][n];
for(i=0;i<n;i++)
{
    for(j=0;j<n;j++)
    {
        scanf("%d",&a[i][j]);
    }
}
for(i=n-1;i>=0;i--)
{
    for(j=0;j<n;j++)
    {
        printf("%d ",a[i][j]);
    }
    printf("\n");
}
}

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