제출 #444725

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
444725		definitelynotmee	Toys (CEOI18_toy)	C++98	100 / 100	620 ms	4420 KiB

toy

#include<bits/stdc++.h>
#define mp make_pair
#define mt make_tuple
#define ff first
#define ss second
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll INFL = (1LL<<62)-1;
const int INF = (1<<30)-1;
const double EPS = 1e-7;
const int MOD = 1e9 + 7;
const int MAXN = 1e6+1;


int main(){

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;
    set<int> resp;

    function<void(int,int,int)> bt =[&](int val, int cur, int sum){
        for(int i = cur; i <= sqrt(val); i++){
            if(val%i == 0)
                bt(val/i,i,sum+i-1);
        }
        resp.insert(sum+val-1);
    };
    bt(n,2,0);
    cout << resp.size() << '\n';
    for(int i : resp)
        cout << i << ' ';
    cout << '\n';
    return 0;

}

• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 21 / 21