intmain() { int space = 39, star = 1; for (int i = 1;i <= 7;i++) { for (int j = 1;j <= space;j++) { printf(" "); } for (int k = 1;k <= star;k++) { printf(" * "); } if (i <= 3) { space -= 3; star += 2; } else { space += 3; star -= 2; } printf("\n"); }