RT，编译报错信息

C:\Program Files (x86)\Dev-Cpp\TDM-GCC-64\x86_64-w64-mingw32\bin\ld.exe	C:\Program Files (x86)\Dev-Cpp\TDM-GCC-64\x86_64-w64-mingw32\lib/libmingw32.a(lib64_libmingw32_a-crt0_c.o): in function `main':
18		C:\crossdev\src\mingw-w64-v7-git20191109\mingw-w64-crt\crt\crt0_c.c	undefined reference to `WinMain'
C:\Users\ytj\Desktop\OI\luogu\绿题\collect2.exe	[Error] ld returned 1 exit status

VS Code和Dev均如此

在cmd中输入 g++ -v 正常，求助