#include <iostream>
#define STAR_WIDTH 7
#define TREE_WIDTH 10
#define TRUNK_WIDTH 3
#define TRUNK_HEIGHT 3
#define DISPLAY_WIDTH 25
 
using namespace std;
 
void triangle(int base) {
	for (int i = (base%2)||2; i < base; i+=2) {
		for (int j=0; j<(DISPLAY_WIDTH-i)/2; j++) {
			cout << " ";
		}
		for (int j=0; j<i; j++) {
			cout << "*";
		}
		cout << "\n";
	}
}
 
void rectangle(int height, int width) {
	for (int i=0; i<height; i++) {
		for (int j=0; j<width/2; j++) {
			cout << " ";
		}
		for (int j=0; j<width; j++) {
			cout << "*";
		}
		cout << "\n";
	}
}
 
int main() {
	triangle(STAR_WIDTH);
	triangle(TREE_WIDTH);
	rectangle(TRUNK_HEIGHT, TRUNK_WIDTH);
	return 0;
}
 
 

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