C Programme that prints the Floyd’s triangle

program that prints the following Floyd’s triangle.

    1
    2  3   
    4  5  6
    7  8  9  10
    11 ………..15
    .
    .
    79 …………………91

#include<stdio.h>

#include<conio.h>

int main()

{

            int i,j,n,k;

            clrscr();

            printf("\n\n Enter  the number : ");

            scanf("%d",&n);

            for(i=1,k=1;i<=n;i++)

            {

                        for(j=1;j<=i;j++,k++)

                        {

                                    printf(" %d ",k);

                        }

                        printf("\n");

            }

            getch();

            return 0;

}

Output:

Enter the number : 5

1

2  3

4  5  6

7  8  9  10

11  12  13  14  15