백준 알고리즘 [1110번] (C++) 더하기 사이클

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Code

#include <iostream>
using namespace std;

int main() {
	ios_base::sync_with_stdio(false);

	int N, newN, count = 0, sum;
	int f, l;

	cin >> N;
	int org = N;

	while (1) {
		f = N / 10;
		l = N % 10;
		sum = (f + l) % 10;

		N = (l * 10) + sum;
		count++;

		if (N == org) 
			break;
	}
	cout << count;

}