added spaces

.github/workflows/actions.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++ main.cpp -std=c++17 -o firstIO

.github/workflows/super-linter.yml

@@ -0,0 +1,29 @@
+# This workflow executes several linters on changed files based on languages used in your code base whenever
+# you push a code or open a pull request.
+#
+# You can adjust the behavior by modifying this file.
+# For more information, see:
+# https://github.com/github/super-linter
+name: Lint Code Base
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+jobs:
+  run-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          # Full git history is needed to get a proper list of changed files within `super-linter`
+          fetch-depth: 0
+
+      - name: Lint Code Base
+        uses: github/super-linter@v4
+        env:
+          VALIDATE_ALL_CODEBASE: false
+          DEFAULT_BRANCH: "main"
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -23,4 +23,6 @@ g++ main.cpp
 
 and if it compiles successfully, run it with `./a.out`
 
-To exit the container, type `exit`
+To exit the container, type `exit`
+
+[![Lint Code Base](https://github.com/trangpham2/CppMath/actions/workflows/super-linter.yml/badge.svg)](https://github.com/trangpham2/CppMath/actions/workflows/uper-linter.yml)

main.cpp

@@ -5,13 +5,16 @@ using std::cin;
 using std::endl;
 
 int main(){
-  double first, second;
+  double first, second
 
   cout<< "First number: ";
   cin>> first;
   cout<< "Second number: ";
   cin>> second;
 
+
+
+
   cout<< "Addition: "<< first << "+" << second << "=";
   cout<< (first+second) << endl;
   cout<< "Subtraction: "<< first << "-" << second << "=";
@@ -20,4 +23,4 @@ int main(){
   cout<< (first*second) << endl;
 
   return 0;
-}
+}