Submission #1051615

#	Time	Username	Problem	Language	Result	Execution time	Memory
1051615		anton	Toys (CEOI18_toy)	C++17	59 / 100	5063 ms	7360 KiB

toy

#include<bits/stdc++.h>

using namespace std;
#define int long long
#define pii pair<int, int>


int N;
vector<int> factorize(int n){
    vector<int> res;
    for(int i = 2; i*i<=n;i++){
        if(n%i == 0){
            res.push_back(i);
            if(i*i!=n){
                res.push_back(n/i);
            }
        }
    }
    res.push_back(n);
    return res;
}


map<pii, bool> vis;
unordered_set<int> possib;
void get_sums(int n, int d){
    if(n==1){
        possib.insert(d);
        return;
    }
    vis[pii(n, d)] = true;
    auto factors = factorize(n);
    for(auto e: factors){
        get_sums(n/e, d+e-1);
    }
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin>>N;

    get_sums(N, 0);
    
    vector<int> res;
    for(auto e: possib){
        res.push_back(e);
    }

    sort(res.begin(), res.end());

    
    cout<<res.size()<<endl;
    for(auto e: res){
        cout<<e<<" ";
    }
    cout<<endl;
}

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