Vs code problem come plz give me a solution when I put a code and then run a code become a error in C++

PS C: \Users\raees\.vscode> g++ code.cpp

c:/mingw/bin/../lib/gcc/mingw32/6.3.0/../../../libmingw32.a(main.o):(.text.startup+0xa0): undefin ed reference to WinMain@16" collect2.exe: error: 1d returned 1 exit status

PS C: \Users\raees\.vscode>