Submission #942767

#	Time	Username	Problem	Language	Result	Execution time	Memory
942767		vjudge1	Toys (CEOI18_toy)	C++17	19 / 100	1 ms	600 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;v.pb(0);
    for(int i=2;i*i<=n;i++){
        while(n%i==0){
            v.pb(i);
            n/=i;
        }
    }
    if(n>1)v.pb(n);
    vector <int> sum[v.size()];
    sum[0].pb(0);
    for(int i=1;i<v.size();i++){
        int x=v[i];
        for(int j=i-1;j>=0;j--){
            for(auto val : sum[j])sum[i].pb(x-1+val);
            x*=v[j];
        }
    }
    sort(all(sum[v.size()-1]));
    int p=-1;
    vector <int> res;
    for(auto x : sum[v.size()-1]){
        if(x!=p)res.pb(x);
        p=x;
    }
    cout<<res.size()<<"\n";
    for(auto x : res)cout<<x<<" ";
}
/*

*/
 

Compilation message (stderr)

toy.cpp: In function 'int main()':
toy.cpp:23:18: 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]
   23 |     for(int i=1;i<v.size();i++){
      |                 ~^~~~~~~~~

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