square printing pattern.txt

#include <stdio.h>

int main()
{
    int n , i ,j,p ;
    scanf("%d",&n);
    for(i=1; i<=(n) ;i++)   /// this loop is to print the upper triangle for n rows
    {
        printf("\n");
        for(j=1; j<=i ;j++){
            printf("%d ",(n-j+1));
            p=(n-j+1);
        }
            
        for(j=i+1;j<=2*n-i;j++){   // repeat the last element till 1st, 2nd last etc column
            printf("%d ",p);
        }
         p=(p+1);
            
               
        for(j=2*n-i+1; j<=2*n-1 ;j++){
            printf("%d ",p);
            p += 1;
        }
            
    }
    
    for(i=n+1; i<=(2*n-1) ;i++)    // this loop is to print the lower triangle in decreasing order for last n-1 rows
    {
        printf("\n");
        for(j=1; j<=2*n-i ;j++){
            printf("%d ",(n-j+1));
            p=(n-j+1);
        }
            
        for(j=2*n-i+1;j<=i ;j++){  // repeat the last element till i equals j
            printf("%d ",p);
        }
         p=(p+1);
               
        for(j=i+1; j<=2*n-1 ;j++){
            printf("%d ",p);
            p += 1;
        }
            
    }

    return 0;
}