[C++]백준 2577번 : 숫자의 개수

https://www.acmicpc.net/problem/2577

#include <iostream>

#include <string>

using namespace std;

int main() {

int A, B, C;

cin >> A >> B >> C;

int mult = A * B * C;

string multS = to_string(mult);

int len = multS.length();

int number[10] = { 0 };

string num;

for (int i = 0; i < len; i++) {

num = multS[i];

number[stoi(num)]++;

}

for (int j = 0; j < 10; j++) cout << number[j] << '\n';

}