minimum number trailing zeros

#include<bits/stdc++.h>
using namespace std;


int main()
{
    int n,k,i,num=0;
    vector<int>v;
    scanf("%d",&n);
    while(n!=0)
    {
        k=n%10;
        v.push_back(k);
        n/=10;
    }
    sort(v.begin(),v.end());
    int  count=0,temp;
    for(i=0;i<v.size();i++)
    {
        if(v[i]==0)
        {
            count++;
        }
    }


    for(i=count;i<v.size();i++)
    {
        num=num*10;
        num+=v[i];
        if(i==count){
            num=num*int(pow(10.0,(double)count));

        }
    }
    cout<<num<<endl;
    return 0;
}