diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..220b6ad
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,23 @@
+name: Build C++
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  install:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y -f build-essential g++ cmake
+  build:
+    needs: install
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build project
+        run: g++ GameDie.h -std=c++17 -Wall -Wextra -Werror -o testIO
\ No newline at end of file
diff --git a/GameDie.cpp b/GameDie.cpp
index d512405..6c5de71 100644
--- a/GameDie.cpp
+++ b/GameDie.cpp
@@ -9,21 +9,25 @@ GameDie::GameDie()
     srand(time(NULL));
     counter.resize(FACES);
 
-    for(int i=0; i<FACES; i++)
+    for(unsigned int i=0; i<FACES; i++)
       counter[i] = 0;
 }
 
 //overloaded constructor
 GameDie::GameDie(unsigned int num)
 {
+    srand(time(NULL));
+    
     if( num == 0 )
     {
         counter.resize(FACES);
     }
     else{
+        FACES = num;
         counter.resize(num);
     }
-    for(int i=0; i<FACES; i++)
+
+    for(unsigned int i=0; i<FACES; i++)
     {
         counter[i] = 0;
     }
diff --git a/GameDie.h b/GameDie.h
index 54d69ba..d87f0fa 100644
--- a/GameDie.h
+++ b/GameDie.h
@@ -14,7 +14,7 @@ class GameDie
 
   private:
    vector <int> counter;
-   const static int FACES = 6;
+   unsigned int FACES = 6;
 };
 
 #endif
diff --git a/README.md b/README.md
index 9a8fe2c..bb054d3 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # GameDie
 
+[![Build C++](https://github.com/adrian015/GameDie/actions/workflows/main.yml/badge.svg)](https://github.com/adrian015/GameDie/actions/workflows/main.yml)
+
 This repository provides a class that represents a game die, such as the
 six-sided dice used in traditional dice game. While the die defaults to 
 six sides, the overloaded constructor allows the developer to customize