hdu1040

#include <iostream>#include <algorithm>#include <vector>                                                                                     using namespace std;vector < int > vec;int n, t, x;int main ( ) {    while ( cin >> t ) {        while ( t-- ) {            cin >> n;            vec.clear ( );            for ( int i = 0; i < n; cin >> x, vec.push_back ( x ), ++i ) ;            sort ( vec.begin ( ), vec.end ( ) );            for ( int i = 0; i < n - 1; ++i )                cout << vec[i] << " ";            cout << vec[n - 1] << endl;        }    }}