/***************************************
 * C Program to print Floyd's Triangle
 ***************************************/

#include<stdio.h> // include stdio.h

int main() 
{
    int n, k = 1;

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

    printf("\n");       

    // loop for number of lines    
    for(int i = 1; i <= n; i++)
    {
        //loop  to print numbers in each line
        for(int j = 1; j <= i; j++)
        {            
            printf("%-5d ", k++);            
        }

        printf("\n");
    }  

    return 0;
}