Submission #367909

#	Time	Username	Problem	Language	Result	Execution time	Memory
367909		ogibogi2004	Toys (CEOI18_toy)	C++14	100 / 100	2297 ms	85764 KiB

toy

#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll n;
unordered_set<int>v[100000];
int main()
{
	cin>>n;
	vector<ll>d;
	for(ll i=1;i*i<=n;i++)
	{
		if(n%i==0)
		{
			d.push_back(i);
			if(i*i!=n)
			{
				d.push_back(n/i);
			}
		}
	}
	sort(d.begin(),d.end());
	v[0].insert(0);
	for(int i=0;i<d.size();i++)
	{
		for(int j=i+1;j<d.size();j++)
		{
			if(d[j]%d[i]!=0)continue;
			for(auto xd:v[i])
			{
				v[j].insert(xd+d[j]/d[i]-1);
			}
		}
	}
	vector<int>ans;
	for(auto xd:v[d.size()-1])
	{
		ans.push_back(xd);
	}
	sort(ans.begin(),ans.end());
	cout<<ans.size()<<endl;
	for(auto xd:ans)
	{
		cout<<xd<<" ";
	}
	cout<<endl;
return 0;
}

Compilation message (stderr)

toy.cpp: In function 'int main()':
toy.cpp:23:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for(int i=0;i<d.size();i++)
      |              ~^~~~~~~~~
toy.cpp:25:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   for(int j=i+1;j<d.size();j++)
      |                 ~^~~~~~~~~

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