Merge branch 'dev' to release v0.11.0

feat&build: each problem will own it's folder and update dependencies

.github/workflows/daily.yml

@@ -15,9 +15,9 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-20.04, ubuntu-latest ]
-        gcc_v: [ 11 ] # Version of G++,GCC
     env:
-      GCC_V: ${{ matrix.gcc_v }}
+      CC:   gcc-10
+      CXX:  g++-10
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
 
@@ -40,12 +40,12 @@ jobs:
       - name: ensure the path and files of project
         run: sudo apt-get install tree; tree
 
-      - name: Install GCC-11,G++-11, ccache
+      - name: Install ccache, check gcc version
         run: |
           sudo add-apt-repository ppa:ubuntu-toolchain-r/test
-          sudo apt-get update && sudo apt-get install -y gcc-${GCC_V} g++-${GCC_V} ccache
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${GCC_V} 111
-          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${GCC_V} 111
+          sudo apt-get update && sudo apt-get install -y ccache
+          gcc --version
+          g++ --version
 
       - name: prepare libopencv
         run: |

.github/workflows/pull_request.yml

@@ -16,9 +16,9 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-20.04, ubuntu-latest ]
-        gcc_v: [ 11 ] # Version of G++,GCC
     env:
-      GCC_V: ${{ matrix.gcc_v }}
+      CC:   gcc-10
+      CXX:  g++-10
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
 
@@ -42,12 +42,12 @@ jobs:
       - name: ensure the path and files of project
         run: sudo apt-get install tree; tree
 
-      - name: Install GCC-11,G++-11, ccache
+      - name: Install ccache, check gcc version
         run: |
           sudo add-apt-repository ppa:ubuntu-toolchain-r/test
-          sudo apt-get update && sudo apt-get install -y gcc-${GCC_V} g++-${GCC_V} ccache
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${GCC_V} 111
-          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${GCC_V} 111
+          sudo apt-get update && sudo apt-get install -y ccache
+          gcc --version
+          g++ --version
 
       - name: prepare libopencv
         run: |

.github/workflows/release.yml

@@ -16,10 +16,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ ubuntu-20.04, ubuntu-latest]
-        gcc_v: [ 11 ] # Version of G++,GCC
+        os: [ ubuntu-20.04, ubuntu-latest ]
     env:
-      GCC_V: ${{ matrix.gcc_v }}
+      CC:   gcc-10
+      CXX:  g++-10
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
 
@@ -30,12 +30,12 @@ jobs:
       - name: hardwares - cpu
         run: nproc; cat /proc/cpuinfo
 
-      - name: Install GCC-11,G++-11
+      - name: Install ccache, check gcc version
         run: |
           sudo add-apt-repository ppa:ubuntu-toolchain-r/test
-          sudo apt-get update && sudo apt-get install -y gcc-${GCC_V} g++-${GCC_V}
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${GCC_V} 111
-          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${GCC_V} 111
+          sudo apt-get update && sudo apt-get install -y ccache
+          gcc --version
+          g++ --version
 
       - name: prepare libopencv ccache
         run: |

.gitignore

@@ -273,7 +273,6 @@ __pycache__/
 
 ### VisualStudioCode ###
 .vscode/*
-!.vscode/settings.json
 !.vscode/tasks.json
 !.vscode/launch.json
 !.vscode/extensions.json

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.16.6)
 
 set(PROJECT_VERSION_MAJOR 0)
-set(PROJECT_VERSION_MINOR 10)
+set(PROJECT_VERSION_MINOR 11)
 set(PROJECT_VERSION_PATCH 0) # delete endsWith strs when master merge dev
 
 project(CS203_DSAA_template
@@ -26,6 +26,10 @@ add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/third_party)
 enable_testing()
 file(GLOB USER_LIBS_PATH ${CMAKE_CURRENT_SOURCE_DIR}/lab_*) # regex to find libs, more flexibility
 foreach (elementName IN LISTS USER_LIBS_PATH)
-    add_subdirectory(${elementName})
+    if (EXISTS ${elementName}/CMakeLists.txt)
+        add_subdirectory(${elementName})
+    else()
+        MESSAGE("${elementName} is empty")
+    endif ()
 endforeach ()
 unset(USER_LIBS_PATH)