
#include<stdio.h> int main() { int i, n, j; printf("Enter number of lines: "); scanf("%d", &n); /* Upper part of diamond */ 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"); } /* Lower part of diamond patter */ for(i=n-1;i>=1;i--) { for(j=1;j<=n-i;j++) { printf(" "); } for(j=1;j<=2*i-1;j++) { printf("*"); } printf("\n"); } return...