[백준]2231-분해합(설명X)

#include <iostream>
using namespace std;
 
int main() {
    int num, value;
    cin >> num;
    for (int i = 1; i <= num; i++) {
        value = i;
        for (int j = i; j > 0; j /= 10)
            value += j % 10;
        if (value == num) {
            cout << i << endl;
            return 0;
        }
    }
    cout << 0 << endl;
}