整数因子分解问题

<span style="font-size:18px;">#include<iostream>
#include<iterator>
#include<algorithm>
#include<time.h>
#include<vector>
using namespace std;

/*
*整数因子分解问题
*/
vector<int> vec;
static int Count = 0;
void solve(int n)
{
	if(1==n)
	{   
		cout<<"第"<<++Count<<"种分解： ";
		copy(vec.begin(),vec.end(),ostream_iterator<int>(cout," "));
		cout<<endl;
	}
	for (int i = 2; i <= n; i++)
	{
		if(0==n%i)
		{
			vec.push_back(i);
			solve(n/i);
			vec.pop_back();
		}
	}
}

int main()
{
	int n;
	long start,end;
	cin>>n;
	start = clock();
	solve(n);
	end = clock();
	cout <<"程序执行时间（单位：毫秒）： "<< end-start <<endl;
}</span>