Update cpp.yml

Author: indy256

.github/workflows/cpp.yml

@@ -65,12 +65,12 @@ jobs:
           - {compiler-options: "//std:c++20"}
           - {compiler-options: "//std:c++23preview"}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v2
       - name: compile
         shell: cmd
         run: |
           call "%ProgramFiles%\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars32.bat"
           cd cpp
           mkdir bits
           C:\msys64\usr\bin\echo.exe -e '#include \74vector\76\n#include \74set\76\n#include \74map\76\n#include \74unordered_set\76\n#include \74unordered_map\76\n#include \74queue\76\n#include \74deque\76\n#include \74stack\76\n#include \74iostream\76\n#include \74iomanip\76\n#include \74complex\76\n#include \74cassert\76\n#include \74random\76\n#include \74chrono\76\n#include \74functional\76\n#include \74array\76\n#include \74bitset\76\n#include \74numeric\76\n' > bits\stdc++.h
-          C:\msys64\usr\bin\find . -name '*.cpp' -print0 | C:\msys64\usr\bin\xargs -n1 -0 cl //EHsc //I ${{ matrix.config.compiler-options }} .
+          C:\msys64\usr\bin\find . -name '*.cpp' -print0 | C:\msys64\usr\bin\xargs -n1 -0 cl //std:c++17 //EHsc //I .