Reverse Floyd’s triangle in C

Learn about Reverse Floyd’s triangle in C in the below code example. Also refer the comments in the code snippet to get a detailed view about what’s actually happening.

Reverse Floyd’s triangle in C

The below program prints the Reverse Floyd’s triangle in the C programming. Look the various outputs while changing the number of rows.

Program:

#include<stdio.h>
int main()
{
   int n, i, j;

   printf("Enter number of rows: ");
   scanf("%d",&n);

   int k = n*(n+1)/2;
   for(i=n; i>=0; i--)
   {
     for(j=1; j<=i; j++)
     printf("%-5d",k--);
     printf("\n");
   }

   return 0;
}

Output:

Enter number of rows: 5
15   14   13   12   11   
10   9    8    7    
6    5    4    
3    2    
1

Output 2:

Enter number of rows: 6
21   20   19   18   17   16   
15   14   13   12   11   
10   9    8    7    
6    5    4    
3    2    
1

Hope above code works for you and Refer the below Related Codes to gain more insights. Happy coding and come back again.