Update cpp.yml

Author: indy256

.github/workflows/cpp.yml

@@ -3,14 +3,14 @@ name: C++ CI
 on: [push]
 
 jobs:
-  build-ubuntu-gcc-15:
+  build-ubuntu-gcc-14:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         config:
           - {compiler-options: "-Wall -Wextra -std=c++20"}
           - {compiler-options: "-Wall -Wextra -Wno-sign-compare -std=c++2c"}
-          - {compiler-options: "-fanalyzer -Wno-analyzer-null-dereference -std=c++23"}
+          - {compiler-options: "-fanalyzer -Wno-analyzer-null-dereference -std=c++26"}
     steps:
       - uses: actions/checkout@v2
       # - name: install g++
@@ -37,15 +37,15 @@ jobs:
     - name: compile
       run: |
         cd cpp
-        find . -name '*.cpp' -print0 | xargs -n1 -0 clang++-20 -Wall -Wextra -std=c++2c
+        find . -name '*.cpp' -print0 | xargs -n1 -0 clang++-20 -Wall -Wextra -std=c++26
 
   build-macos-clang:
     runs-on: macos-latest
     strategy:
       matrix:
         config:
           - {compiler-options: "-Wall -Wextra -std=c++2c -isystem"}
-          - {compiler-options: "-Wall -Wextra -Wno-sign-compare -std=c++23 -isystem"}
+          - {compiler-options: "-Wall -Wextra -Wno-sign-compare -std=c++2c -isystem"}
     steps:
       - uses: actions/checkout@v2
       - name: compile
@@ -79,4 +79,4 @@ jobs:
           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 //std:c++23 //EHsc //I .
+          C:\msys64\usr\bin\find . -name '*.cpp' -print0 | C:\msys64\usr\bin\xargs -n1 -0 cl //std:c++20 //EHsc //I .