Submission #942908

#	Time	Username	Problem	Language	Result	Execution time	Memory
942908		vjudge1	Toys (CEOI18_toy)	C++14	79 / 100	5089 ms	2844 KiB

toy

#include <bits/stdc++.h>

using namespace std;
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
#define int long long

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    int n; cin >> n;
        map<int, int> mp;
        mp[n-1] = 1;
        vector<int> p;
        for(int i = 2; i * i <= n; i++){
            if(n%i == 0){
                p.push_back(i);
                if(n / i != i) p.push_back(n / i);
            }
        }
        sort(all(p));
        function<void(int, int, int, int)> f=[&](int cur, int have, int sum, int last){
                if(cur > n) return;
                if(cur == n){
                    mp[sum] = 1;
                    return;
                }
                for(int id = last; id < (int)p.size(); id++){
                    int x = p[id];
                    if(cur * x > n) break;
                    f(cur*x, have + 1, sum + x - 1, id);
                }
        };
        f(1, 0, 0, 0);
        cout << mp.size() << '\n';
        for(auto x : mp) cout << x.ff << ' ';
        cout << '\n';
    
    
    
    return 0;
}

• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 0 / 21