Take input of the age of 3 people by user and determine oldest and youngest among them.

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter5: Control Structures Ii (repetition)
Section: Chapter Questions
Problem 28PE
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Take input of the age of 3 people by user and determine oldest and youngest among them.

**Objective:**

Take input of the age of 3 people by the user and determine the oldest and youngest among them.

---

This exercise aims to help students practice basic programming skills related to input handling and conditional statements. By the end of this task, students should be able to:

1. Take multiple inputs from the user.
2. Use conditional statements to compare values.
3. Determine and display the maximum and minimum values from the input.

### Step-by-Step Instructions:

1. **Basic Input Handling:**
   - Prompt the user to enter the age of three different individuals.
   - Store these ages in separate variables.

2. **Conditional Statements:**
   - Use the `if`, `else`, and `elif` statements to compare the ages.
   - Determine the oldest and youngest individuals based on the input.

3. **Output Results:**
   - Display the age of the oldest and youngest individuals.

### Example Code (Python):

```python
# Prompting user to enter ages
age1 = int(input("Enter the age of the first person: "))
age2 = int(input("Enter the age of the second person: "))
age3 = int(input("Enter the age of the third person: "))

# Determining the oldest and youngest
oldest = max(age1, age2, age3)
youngest = min(age1, age2, age3)

# Displaying the results
print(f"The oldest person is {oldest} years old.")
print(f"The youngest person is {youngest} years old.")
```

### Understanding the Code:

1. **Input Collection:**
   - `input("Enter the age of the first person: ")` prompts the user to enter an age which is then converted to an integer using `int()`.
   
2. **Finding Maximum and Minimum:**
   - `max(age1, age2, age3)` compares the three ages and returns the largest value.
   - `min(age1, age2, age3)` compares the three ages and returns the smallest value.

3. **Displaying Results:**
   - The `print` function is used to output the oldest and youngest ages.

### Extensions:

To further enhance this exercise, students can:
- Validate the input to ensure ages are positive integers.
- Handle cases where two or more people might have the same age.
- Extend the code to accept ages from more than three individuals.

This exercise offers practical insights into basic programming
Transcribed Image Text:**Objective:** Take input of the age of 3 people by the user and determine the oldest and youngest among them. --- This exercise aims to help students practice basic programming skills related to input handling and conditional statements. By the end of this task, students should be able to: 1. Take multiple inputs from the user. 2. Use conditional statements to compare values. 3. Determine and display the maximum and minimum values from the input. ### Step-by-Step Instructions: 1. **Basic Input Handling:** - Prompt the user to enter the age of three different individuals. - Store these ages in separate variables. 2. **Conditional Statements:** - Use the `if`, `else`, and `elif` statements to compare the ages. - Determine the oldest and youngest individuals based on the input. 3. **Output Results:** - Display the age of the oldest and youngest individuals. ### Example Code (Python): ```python # Prompting user to enter ages age1 = int(input("Enter the age of the first person: ")) age2 = int(input("Enter the age of the second person: ")) age3 = int(input("Enter the age of the third person: ")) # Determining the oldest and youngest oldest = max(age1, age2, age3) youngest = min(age1, age2, age3) # Displaying the results print(f"The oldest person is {oldest} years old.") print(f"The youngest person is {youngest} years old.") ``` ### Understanding the Code: 1. **Input Collection:** - `input("Enter the age of the first person: ")` prompts the user to enter an age which is then converted to an integer using `int()`. 2. **Finding Maximum and Minimum:** - `max(age1, age2, age3)` compares the three ages and returns the largest value. - `min(age1, age2, age3)` compares the three ages and returns the smallest value. 3. **Displaying Results:** - The `print` function is used to output the oldest and youngest ages. ### Extensions: To further enhance this exercise, students can: - Validate the input to ensure ages are positive integers. - Handle cases where two or more people might have the same age. - Extend the code to accept ages from more than three individuals. This exercise offers practical insights into basic programming
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