[백준] 18883번 N M 찍기 c++

#include <iostream>
using namespace std;

int main(void) {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int num1, num2;
	int count = 0;
	cin >> num1 >> num2;
	for (int i = 0; i < num1; i++) {
		for (int j = num2 * i + 1; j <= num2 * (i + 1); j++) {
			if (count == num2-1) {
				cout << j;
				break;
			}
			cout << j << " ";
			count++;
		}
		cout << "\n";
		count = 0;
	}
	return 0;
}