题解 | #质数因子#

#include <iostream>
using namespace std;

int main() {
    unsigned int n;
    cin>>n;
    unsigned int result = n;
    if (n>=1)
    {
        for(unsigned int i=2;i*i<=n;i++)
        {
            while((result %i)  ==0)
            {
                cout<<i<<" ";
                result =result /i;
            }
        }
       // cout<<endl;
    }
    if(result >1)
    {
        cout<<result<<" ";
    }
    return 0;
}
// 64 位输出请用 printf("%lld")