다이아몬드

#include <stdio.h> void main() { int i,j; int a,b; for(a=1; a<=5; a++){ for(b=5; 1<=b; b--){ if(a<b) printf(" "); else printf("*"); } for(b=1; b<=5; b++){ if(a<=b) printf(" "); else printf("*"); } printf("\n"); } for(i=5; 1<=i; i--){ for(j=5; 1<=j; j--){ if(j<=i) printf("*"); else printf(" "); } for(j=1; j<=5; j++){ if(j<=i) printf("*"); else printf(" "); } printf("\n"); } }