C Programming. Program to print star pattern.

 Program to print star pattern.

// Program to print star triangle.(take number of lines from user).

/*        *

         ***  

        *****

       *******

*/

#include<stdio.h>

int main() {

    int n, i, j;

    printf("Enter number of lines : ");

    scanf("%d", &n);

    for (i=1; i<=n; i++) {

        for (j=1; j<=n-i; j++){

            printf(" ");

        }

        for (j=1; j<=2*i-1; j++){

            printf("*");

        }

        printf("\n");

    }

    return 0;

}

Output :

Enter number of lines : 7 * *** ***** ******* ********* *********** *************