C Program for printing a Triangle

Code:

#include<stdio.h>

#include<conio.h>

main()

{

int n,r,c;

printf("Enter Number of rows");

scanf("%d",&n);

for(r=1; r<n; r++)

{

for(c=1; c<=r; c++)

printf("1");

printf("\n");

}

getch();

}

 
Output: