c++ string begin成员函数
#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
void printchar(char c){
cout<<c;
}
int main()
{
string s="pele,the greatest ever";
cout<<"s: "<<s<<endl;
cout<<"s in reverse: ";
for_each(s.beign(),s.end(),printchar);
cout<<endl;
return 0;
}
