Printing the given string as a cross mark

print_diagonal.cpp

#include <iostream>
using namespace std;

int main() {
	string input="12345";
	int len = input.size();
	int i,j;
	for( i = 0; i < len; i++)
	{
		for( j = 0; j < len; j++)
		{
			if( i == j || j == len-i-1)
				cout << input[i];
			else
				cout << " ";
		}
		cout << endl;
	}
	return 0;
}