Submission #133458

#	Time	Username	Problem	Language	Result	Execution time	Memory
133458		Vardanyan	Toys (CEOI18_toy)	C++14	19 / 100	3 ms	504 KiB

toy

#include <bits/stdc++.h>
using namespace std;
map<int,int> s;
map<pair<int,int>,int> mp;
vector<int> ans;
unordered_map<long long,int> mpp;
void rec(int n,int sm,int ps = 1){
    long long x = (long long)sm*(long long)31;
    if(mpp[259*n+x]) return;
    mpp[259*n+x] = 1;
    if(n == 1){
        if(!s[sm]){
            ans.push_back(sm);
            s[sm] = 1;
        }
        return;
    }
        for(int i = ps;i*i<=n;i++){
            if(n%i) continue;
           if(i>1){
              rec(n/i,sm+i-1,ps);
           }
            int x = n/i;
            rec(n/x,sm+x-1,ps);
        }
}
int main(){
    ios_base::sync_with_stdio(false);
    int n;
    cin>>n;
    rec(n,0);
    cout<<ans.size()<<endl;
    sort(ans.begin(),ans.end());
    for(int i = 0;i<ans.size();i++) cout<<ans[i]<<" ";
    cout<<endl;
    return 0;
}

Compilation message (stderr)

toy.cpp: In function 'int main()':
toy.cpp:34:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i<ans.size();i++) cout<<ans[i]<<" ";
                   ~^~~~~~~~~~~

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