#include <iostream>
using std::cout;

int main() {
/*
	for(int i=0;i<10;i++)
		cout << i << " ";
	//------------------------
	cout << std::endl;
	int i=0;
	while(i < 10) {
		cout << i << " ";
		i++;
	}
	cout << std::endl;
	//-------------------------
	int j=0;
	do {
		cout << j << " ";
		j++;
	} while (j < 10);
	cout << std::endl;
	//--------------------------
*/
	for(int i=0;i<10;i++){//10 rows
		for(int x=0;x<10;x++)//1-10 on each row
			cout << x+1 << " ";
		cout << std::endl;//advances to next row
	}
	
	return 0;
}