CodeBlocks window下安装后找不到编译器
Can't find compiler executable in your configured search path's for GNU GCC Compiler
首先确定下载的文件是 codeblocks-20.03mingw-setup.exe（145M）， 而不是 codeblocks-20.03-setup.exe，
如果安装之后，新建c++文件时，点击编译按钮，没有任何反应，很有可能是没有找到对应的编译器。
How to solve the CodeBlocks environment error.
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Go to "Settings"----"Compiler"----"Selected compiler"( GNU GCC Compiler ).
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Then, Selected "Toolchain executables". clicke Auto-detect
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Now, "( C:\Program Files \CodeBlocks\MinGW )"
