제출 #113322

#제출 시각아이디문제언어결과실행 시간메모리
113322DiuvenToys (CEOI18_toy)C++14
59 / 100
5012 ms2856 KiB
#include <bits/stdc++.h>
using namespace std;

typedef long long lint;
typedef pair<int, int> pii;

const int INF = 2e9;
const int MOD = 1e9+7;
const int MAX = 1e5+10;
const lint LNF = 2e18;

vector<int> ans, D;
int n;

void solve(int x, int m, int sum){
	if(m==1){ ans.push_back(sum); return; }
	for(int d:D) if(x<=d && m%d==0) solve(d, m/d, sum+d-1); 
}

int main(){
	ios::sync_with_stdio(0); cin.tie(0);

	cin>>n;
	for(int i=1; i*i<=n; i++) if(n%i==0) D.push_back(i), D.push_back(n/i);
	sort(D.begin(), D.end());

	solve(2, n, 0);

	sort(ans.begin(), ans.end());
	ans.resize(unique(ans.begin(), ans.end())-ans.begin());
	cout<<ans.size()<<'\n';
	for(int x:ans) cout<<x<<' ';
	cout<<'\n';

	return 0;
}
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