Submission #942786

#	Time	Username	Problem	Language	Result	Execution time	Memory
942786		vjudge1	Toys (CEOI18_toy)	C++17	59 / 100	5027 ms	1676 KiB

toy

#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    vector <int> v;
    for(int i=2;i*i<=n;i++){
        while(n%i==0){
            v.pb(i);
            n/=i;
        }
    }
    if(n>1)v.pb(n);
    set <int> res;
    do{
        vector <int> sum[v.size()+1];
        sum[0].pb(0);
        for(int i=0;i<v.size();i++){
            int x=1;
            for(int j=i;j>=0;j--){
                x*=v[j];
                for(auto val : sum[j])sum[i+1].pb(x-1+val);
            }
        }
        for(auto x : sum[v.size()]){
            res.insert(x);
        }
    }while(next_permutation(all(v)));
    cout<<res.size()<<"\n";
    for(auto x : res)cout<<x<<" ";
    cout<<"\n";
    
}
/*
 
*/
 

Compilation message (stderr)

toy.cpp: In function 'int main()':
toy.cpp:25:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         for(int i=0;i<v.size();i++){
      |                     ~^~~~~~~~~

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