제출 #784551

#제출 시각아이디문제언어결과실행 시간메모리
784551Trisanu_DasToys (CEOI18_toy)C++17
100 / 100
647 ms4380 KiB
#include <bits/stdc++.h>
 using namespace std;
 
set<int> ans;
 
void res(int n, int last, int sum) {
	ans.insert(sum + n - 1);
	for(int i = last; i <= n / i; i++) if (n % i == 0) res(n / i, i, sum + i - 1);
}
 
int main() {
	int n; cin >> n;
	res(n, 2, 0);
	cout << ans.size() << '\n';
	for (int x : ans) cout << x << ' ';
	cout << '\n';
}
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