[C++]백준 2588번 : 곱셈

https://www.acmicpc.net/submit/2588

#include <iostream>

#include <string>

using namespace std;

int main() {

int first, second;

cin >> first >> second;

string secondS = to_string(second);

for (int j = 2; j >= 0; j--) {

string num = secondS.substr(j,1);

cout << stoi(num)*first << '\n';

}

cout << first * second;

}