hello-world-cpp/README.md

<EFBFBD><EFBFBD># hello-world-cpp

for Windows CMD

```
cmake -G "MinGW Makefiles" . && make && main.exe 
```

for Windows PowerShell

```
cmake -G "MinGW Makefiles" . | make | ./main.exe
```

for Linux

```
cmake . && make && ./main
```