少女时代小分队饭拍:一个简单C++例子?

这是程序代码:
#include <iostream.h>
#include <string.h>
#include "stdio.h"
void main()
{
string name="Niels Stroustrup";
string s=name.substr(6,10);
name.replace(0,5,"Nicholas");
printf("name:%s\n",name.c_str());
}
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|这是程序出错提示:
--------------------Configuration: A_TEST - Win32 Debug--------------------
Compiling...
temp.cpp
E:\MATE\VC\A_TEST\temp.cpp(6) : error C2065: 'string' : undeclared identifier
E:\MATE\VC\A_TEST\temp.cpp(6) : error C2146: syntax error : missing ';' before identifier 'name'
E:\MATE\VC\A_TEST\temp.cpp(6) : error C2065: 'name' : undeclared identifier
E:\MATE\VC\A_TEST\temp.cpp(6) : error C2440: '=' : cannot convert from 'char [17]' to 'int'
This conversion requires a reinterpret_cast, a C-style cast or function-style cast
E:\MATE\VC\A_TEST\temp.cpp(7) : error C2146: syntax error : missing ';' before identifier 's'
E:\MATE\VC\A_TEST\temp.cpp(7) : error C2065: 's' : undeclared identifier
E:\MATE\VC\A_TEST\temp.cpp(7) : error C2228: left of '.substr' must have class/struct/union type
E:\MATE\VC\A_TEST\temp.cpp(8) : error C2228: left of '.replace' must have class/struct/union type
E:\MATE\VC\A_TEST\temp.cpp(9) : error C2228: left of '.c_str' must have class/struct/union type
执行 cl.exe 时出错.

temp.obj - 1 error(s), 0 warning(s)

哪位高手经编译成功后,给我代码,谢谢!!
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_____using namespace std;
_____我加了,不行啊,你能经编译成功后,把完整的程序给我吗?
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