It is a pattern of numbers arranging in this format.
Format of numbers like
1
2 3
4 5 6
7 8 9 10
Program Code
//C program to print Floyd’s triangle
#include < stdio.h>
#include < conio.h>
void main()
{
int i , j , r ;
int num=0 ;
clrscr();
printf(“How many rows you want in the triangle:”);
scanf(“%d”,&r);
for(i=1;i<=r;i++)
{
for(j=1;j<=i;j++)
{
printf(“\t%d”,++num);
}
printf(“\n”);
}
getch();
}