Create leetcode.yml

Author: SjxSubham

.github/leetcode.yml

@@ -0,0 +1,44 @@
+name: LeetCode C/C++ CI
+
+on:
+  push:
+    paths:
+      - '**/*.c'
+      - '**/*.cpp'
+      - '**/*.h'
+      - '**/*.hpp'
+  pull_request:
+    paths:
+      - '**/*.c'
+      - '**/*.cpp'
+      - '**/*.h'
+      - '**/*.hpp'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Set up C/C++ compiler
+      uses: actions/setup-cpp@v1
+      with:
+        compiler: gcc
+
+    - name: Compile code
+      run: |
+        mkdir build
+        cd build
+        cmake ..
+        make
+
+    - name: Run basic checks
+      run: |
+        cd build
+        for file in ../*.cpp ../*.c; do
+          if [ -f "$file" ]; then
+            ./$(basename "$file" .cpp) || ./$(basename "$file" .c)
+          fi
+        done