华为机试题2

#include <iostream>
#include <algorithm>
#include <set>
#include <list>
using namespace std;

void RemoveRep(int arr[],int N)
{
set<int> s;
pair< set<int>::iterator, bool > m;
list<int> list1;

for(int i=0;i<N;i++){
m=s.insert(arr[i]);
if(m.second) list1.push_back(arr[i]);

}
for(set<int>::iterator it=s.begin();it!=s.end(); it++)
cout<<*it<<" ";
}

int main()
{
int a[4] = {6,3,3,9};
RemoveRep(a,4);
return 0;
}