[백준] 4673: 셀프넘버

4673번: 셀프 넘버

#include <iostream>
#include <string>
using namespace std;

int d(const int& n) {
	int res = 0;
	int m = n;
	while (m > 0) {
		res = res + m % 10;
		m /= 10;
	}
	res += n;
	return res;
}

int main() {
	ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);

	int t = 1;
	int nums[9999+36+1] = {};
	while (t < 10000) {
		nums[d(t)] += 1;
		t++;
	}


	for (int i = 1; i < 10000; i++) {
		if (nums[i] == 0) {
			cout << i << "\n";
		}
	}

	return 0;
}