:1:3: error: stray '\' in program
    1 | D:\Visual Studio鎿嶄綔瀹為獙\2025.3.9\2025.3.9\OPS welcome you.cpp
      |   ^
:1:25: error: stray '\' in program
    1 | D:\Visual Studio鎿嶄綔瀹為獙\2025.3.9\2025.3.9\OPS welcome you.cpp
      |                         ^
:1:26: error: too many decimal points in number
    1 | D:\Visual Studio鎿嶄綔瀹為獙\2025.3.9\2025.3.9\OPS welcome you.cpp
      |                          ^~~~~~~~
:1:34: error: stray '\' in program
    1 | D:\Visual Studio鎿嶄綔瀹為獙\2025.3.9\2025.3.9\OPS welcome you.cpp
      |                                  ^
:1:35: error: too many decimal points in number
    1 | D:\Visual Studio鎿嶄綔瀹為獙\2025.3.9\2025.3.9\OPS welcome you.cpp
      |                                   ^~~~~~~~
:1:43: error: stray '\' in program
    1 | D:\Visual Studio鎿嶄綔瀹為獙\2025.3.9\2025.3.9\OPS welcome you.cpp
      |                                           ^
:1:2: error: found ':' in nested-name-specifier, expected '::'
    1 | D:\Visual Studio鎿嶄綔瀹為獙\2025.3.9\2025.3.9\OPS welcome you.cpp
      |  ^
      |  ::
:1:1: error: 'D' does not name a type
    1 | D:\Visual Studio鎿嶄綔瀹為獙\2025.3.9\2025.3.9\OPS welcome you.cpp
      | ^