代码文本:
//#include "stdafx.h"//vc++ 6.0? Maybe should add this line.
#include <string>
#include <iostream>
using namespace std;
int main(int argc,char *argv[]){
string str,t;
int ln;
cout << "Please enter a string...\n";
cin >> str;
t.assign(str,ln=str.length()-1,string::npos);
str.erase(ln,1);
str.insert(ln/2,t);
cout << "\nThe result is:\n" << str << endl;
return 0;
}