Pattern15

C Program

#include <stdio.h>
#include <stdlib.h>
int main()
{
    int numbers,i,j;
    printf("Enter the Number of rows:");
    scanf("%d",&numbers);
    for(i =0 ; i <numbers; i++)
     {
       for(j=0; j <numbers ; j++)
       {
         if(i==j)
          printf("1 ");
         else
           printf("0 ");
       }
        printf("\n");
     }
}

Java Program

import java.util.Scanner;

public class Pattern_15 {

	public static void main(String[] args) {
		Scanner S = new Scanner(System.in);
		System.out.print("Enter The Size of the Row:");
		int n = S.nextInt();
		for(int i =0; i<n; i++)
		{
			for(int j=0;j<n;j++)
			{
				if(i==j)	
				   System.out.print("1 ");
				else
					System.out.print("0 ");
				
			}
			System.out.print("\n");
		}
	}

}

Python Program

n = int(input("Enter numbe of rows: "))
for i in range(n):
    for j in range(n):
        if(i==j):
            print("1", end=" ")
        else:
            print("0", end=" ")
    print(" ")