Diamond shape | C++

main_diamond.cpp

#include <iostream>
using namespace std;
void solution(int n){
	// prints top triangle.
	int m=2*n-1;
	int t1=m/2;
	int t2=m/2;
	int t3=m/2;
	int t4=m/2;
	for(int i=0;i<n;i++){
		// prints left space
		for(int j=0;j<t1;j++){
			cout << " ";
		}
		//prints star
		//cout << "t2: " << t2 ;
		// prints 'x' in odd and even places such no two 'x' have same column in two consecutive rows.
		if(t2%2==0){
			for(int j=t2;j<=t3;j++){
				if(j%2==0){
					cout << "x";
				}else{
					cout << " ";
				}
			}
		}else{
			for(int j=t2;j<=t3;j++){
				if(j%2==1){
					cout << "x";
				}else{
					cout << " ";
				}
			}
		}

		//prints right space
		for(int j=t4;j<=2*n-1;j++){
			cout << " ";
		}

		cout << endl;

		t1--;
		t2--;
		t3++;
		t4++;
	}
	// prints lower triangle
	m=2*n-2;
	t1=0;
	t2=1;
	t3=(2*n-2);
	t4=m/2;
	for(int i=0;i<n-1;i++){
		// prints left space
		for(int j=0;j<=t1;j++){
			cout << " ";
		}
		//prints star
		//cout << "t2: " << t2 ;
		if(t2%2==0){
			for(int j=t2;j<=t3;j++){
				if(j%2==0){
					cout << "x";
				}else{
					cout << " ";
				}
			}
		}else{
			for(int j=t2;j<=t3;j++){
				if(j%2==1){
					cout << "x";
				}else{
					cout << " ";
				}
			}
		}

		//prints right space
		for(int j=t4;j<=2*n-1;j++){
			cout << " ";
		}

		cout << endl;

		t1++;
		t2++;
		t3--;
		t4--;
	}
}
int main(){
	int n=20;
	solution(n);
	return 0;
}