STL 去重排序

 #include "iostream"
#include "algorithm"
#include "set"
#include "sstream"
#include "string"
using namespace std;


int main()
{
    int count;
	cin>>count;
	cin.get();
	set<int> T;
	set<int>::iterator TT;
    string A,C;
	while(count--)
	{
     getline(cin,A);
     istringstream B(A);
	 while(B>>C)
	 {
		 T.insert(atoi(C.c_str()));
	 }
     TT=T.begin();
	 for(TT;TT!=T.end();TT++)
     cout<<*TT<<" ";
	 cout<<endl;
	 T.clear();

	}


	return 0;
}