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我正在尝试设置visual studio代码以用c ++编程.我已经安装了扩展C/C++和C/C++ Intellisense

以下是我的代码:

#include<iostream>
using namespace std;

int main()
{
 cout<< "hello" ;
}

我得到的错误是identifier cout is undefined当我把它写成std::cout错误时,我得到的是namespace std has no member cout.以下是我的task.json档案:

{
"version": "0.1.0",
"command": "make",
"isShellCommand": true,
"tasks": [
    {
        "taskName": "Makefile",
        // Make this the default build command.
        "isBuildCommand": true,
        // Show the output window only if unrecognized errors occur.
        "showOutput": "always",
        // No args
        "args": ["all"],
        // Use the standard less compilation …