帮忙看看这个程序
#include <iostream>#include <vector>#include <algorithm>#include <iterator>using namespace std;template <class ForwardIterator, class T>void iota_n(ForwardIterator first, int n,T value){ for (int i=0;i<n;i++) *first++=value++;}void main(int argc,char* argv[]){ int n=2; vector<int> v; v.reserve(3); iota_n(v.begin(),n,100); random_shuffle(v.begin(),v.end()); copy(v.begin(),v.end(),ostream_iterator<int>(cout,"\n"));}
#include <iostream>#include <vector>#include <algorithm>#include <iterator>using namespace std;template <class ForwardIterator, class T>void iota_n(ForwardIterator first, int n,T value){ for (int i=0;i<n;i++) *first++=value++;}void main(int argc,char* argv[]){ int n=2; vector<int> v(3); iota_n(v.begin(),n,100); random_shuffle(v.begin(),v.end()); copy(v.begin(),v.end(),ostream_iterator<int>(cout,"\n"));}