Submission #130055

#	Time	Username	Problem	Language	Result	Execution time	Memory
130055		OptxPrime	Toys (CEOI18_toy)	C++11	100 / 100	462 ms	17016 KiB

toy

#include <iostream>
#include <cmath>
#include<vector>
#include <algorithm>
#include <utility>
#include<stack>
#include<queue>
#include<map>
#include <fstream>
#include<set>

using namespace std;

#define pb push_back
#define mp make_pair
#define ll long long
//#define maxn 100005

vector<int> ans;
    void rec( int rem, int sum, int from )
    {
            ans.pb( sum + rem-1  );
            for( int i=from; (i*i) <= rem;i++ ){
                if( rem%i==0 ){
                    rec( rem/i, sum+i-1, i );
                }
            }
    }

    int main()
    {
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);

        int n;
        cin>>n;
        rec( n, 0,2 );
       sort( ans.begin(), ans.end() );

        ans.erase( unique( ans.begin(), ans.end() ), ans.end() );
        cout <<ans.size()<<endl;
        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:42:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for( int i=0;i<ans.size();i++ )
                      ~^~~~~~~~~~~

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