diff --git a/.github/workflows/dsa-ci.yaml b/.github/workflows/dsa-ci.yaml
new file mode 100644
index 0000000..2195986
--- /dev/null
+++ b/.github/workflows/dsa-ci.yaml
@@ -0,0 +1,27 @@
+name: DSA-CI
+
+on:
+  push:
+    branches: [ main, release ]
+  pull_request:
+    branches: [ main, release ]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Install dependencies
+      run: sudo apt-get update && sudo apt-get install -y cmake libgtest-dev
+
+    - name: Configure CMake
+      run: cmake -S . -B build
+
+    - name: Build
+      run: cmake --build build
+
+    - name: Run tests
+      run: ctest --test-dir build --output-on-failure
diff --git a/SourceCodes/0003_Graph/0001_BreadthFirstSearch.cc b/SourceCodes/0003_Graph/0001_BreadthFirstSearch.cc
index 43e99a3..fa88deb 100644
--- a/SourceCodes/0003_Graph/0001_BreadthFirstSearch.cc
+++ b/SourceCodes/0003_Graph/0001_BreadthFirstSearch.cc
@@ -2,6 +2,7 @@
 #include<iostream>
 #include<queue>
 #include<string>
+#include<climits>
 using namespace std;
 
 Node::Node(char value)