C program to produce the following design using *'s
#include<stdio.h> #include<conio.h> void main() { int i,j,k,n; clrscr(); //to clear the screen printf(“How many lines:”); scanf(“%d”,&n); n*=2; printf(“n”); for(i=1;i<n;i+=2) { for(j=n-1;j>i;j-=2) printf(” “); for(k=1;k<=i;++k) { if(i==n-1) printf(“*”); else if(k==1||k==i) printf(“*”); else printf(” “); } printf(“n”); } getch(); //to stop the screen; }