DEMO_EXAMPLES.md

Demo Examples

Testing Variable Auto-Completion

Example 1: Basic Variables

#include <iostream>
using namespace std;

int main() {
    int number = 10;
    float price = 99.99;
    char grade = 'A';
    
    // Start typing "num" and press Ctrl+Space
    // You'll see "number" in the suggestions
    cout << number << endl;
    
    // Start typing "pr" and press Ctrl+Space
    // You'll see "price" in the suggestions
    cout << price << endl;
    
    return 0;
}

Example 2: Multiple Variables

#include <iostream>
using namespace std;

int main() {
    int studentAge = 20;
    int studentGrade = 85;
    int studentId = 12345;
    
    // Type "student" and press Ctrl+Space
    // All three variables will appear in suggestions
    cout << studentAge << endl;
    cout << studentGrade << endl;
    cout << studentId << endl;
    
    return 0;
}

Example 3: Function Parameters

#include <iostream>
using namespace std;

int calculateSum(int firstNumber, int secondNumber) {
    // Type "first" or "second" and press Ctrl+Space
    // Parameters will appear in suggestions
    return firstNumber + secondNumber;
}

int main() {
    int result = calculateSum(10, 20);
    cout << result << endl;
    return 0;
}

Testing Function Auto-Completion

Example 1: Simple Functions

#include <iostream>
using namespace std;

int add(int a, int b) {
    return a + b;
}

int multiply(int x, int y) {
    return x * y;
}

int main() {
    // Type "add" and press Ctrl+Space
    // You'll see "add(a, b)" in suggestions
    int sum = add(10, 20);
    
    // Type "mult" and press Ctrl+Space
    // You'll see "multiply(x, y)" in suggestions
    int product = multiply(5, 6);
    
    cout << "Sum: " << sum << endl;
    cout << "Product: " << product << endl;
    
    return 0;
}

Example 2: Functions with Variables

#include <iostream>
using namespace std;

double calculateArea(double radius) {
    return 3.14159 * radius * radius;
}

double calculateCircumference(double radius) {
    return 2 * 3.14159 * radius;
}

int main() {
    double circleRadius = 5.0;
    
    // Type "calc" - suggests both functions
    // Type "circleR" - suggests the variable
    double area = calculateArea(circleRadius);
    double circumference = calculateCircumference(circleRadius);
    
    cout << "Area: " << area << endl;
    cout << "Circumference: " << circumference << endl;
    
    return 0;
}

Testing Combined Auto-Completion

Example: Variables + Functions Together

#include <iostream>
using namespace std;

int square(int num) {
    return num * num;
}

int cube(int num) {
    return num * num * num;
}

int main() {
    int number = 5;
    int anotherNumber = 10;
    
    // Type "num" - suggests: number, anotherNumber (variables)
    // Type "sq" - suggests: square(num) (function)
    // Type "cu" - suggests: cube(num) (function)
    
    int squared = square(number);
    int cubed = cube(anotherNumber);
    
    cout << "Square: " << squared << endl;
    cout << "Cube: " << cubed << endl;
    
    return 0;
}

Testing Reset to Template

Scenario 1: Accidental Changes

1. Load a template (e.g., "Basic Example")
2. Make some changes to the code
3. Realize you want to start over
4. Click ⋮ → "Reset to Template"
5. Confirm the dialog
6. Code is restored to original template

Scenario 2: Experimenting

1. Save your working code as "My Algorithm"
2. Experiment with different approaches
3. If experiment fails, click ⋮ → "Reset to Template"
4. Back to your saved version instantly

Testing Input/Output

Example: Simple Input

#include <iostream>
using namespace std;

int main() {
    int x;
    cin >> x;
    cout << x << endl;
    return 0;
}

Input: 42
Output: 42

Example: Multiple Inputs

#include <iostream>
using namespace std;

int main() {
    int a, b, c;
    cin >> a >> b >> c;
    cout << "Sum: " << (a + b + c) << endl;
    return 0;
}

Input: 10 20 30
Output: Sum: 60

Example: Mixed Types

#include <iostream>
using namespace std;

int main() {
    int age;
    float salary;
    cin >> age >> salary;
    cout << "Age: " << age << endl;
    cout << "Salary: " << salary << endl;
    return 0;
}

Input: 25 50000.50
Output:

Age: 25
Salary: 50000.5

Code Snippets Available

Type these and press Ctrl+Space or Tab:

• cout → cout << text << endl;
• cin → cin >> variable;
• for → Complete for loop structure
• while → Complete while loop structure
• if → Complete if statement structure
• else → Complete else block
• vector → Vector declaration

Tips for Best Experience

1. Auto-Completion Trigger:

   • Type a few characters
   • Press Ctrl+Space to see suggestions
   • Use arrow keys to navigate
   • Press Enter or Tab to accept

2. Variable Naming:

   • Use descriptive names (e.g., studentAge not sa)
   • Auto-completion works better with longer names
   • CamelCase or snake_case both work

3. Template Workflow:

   • Start with default template
   • Write your code
   • Save as template when satisfied
   • Use reset if you need to start over

4. Input Format:

   • Separate values with spaces: 10 20 30
   • Or use newlines:

     10
     20
     30
     

   • Both work the same way

5. Debugging:

   • Check output for error messages
   • Error messages include line numbers
   • Use reset to start fresh if needed