C++ copy、copy_n、copy_if

#include <iostream>#include <algorithm>#include <array>#include <vector>#include <functional>using namespace std;int main(){array<int,8> test = {3,5,7,11,13,17,19,23};array<int,8> t2;//copy(test.begin(),test.end(),t2.begin());//只拷贝小于15的数//copy_if(test.begin(),test.end(),t2.begin(),bind2nd(less<int>(),15));//只拷贝test前n个数copy_n(test.begin(),5,t2.begin());for_each(t2.begin(),t2.end(),[](int i){cout<<i<<endl;});return 0;}