Why arrays are needed in C++ - See It in Action

Why arrays are needed

📖 Scenario: Imagine you want to store the scores of 5 players in a game. Instead of creating 5 separate variables, you can use an array to keep all scores together.

🎯 Goal: You will create an array to hold 5 player scores, set a threshold score, find which players scored above the threshold, and print their scores.

📋 What You'll Learn

Create an integer array called scores with exactly these values: 50, 75, 60, 85, 40

Create an integer variable called threshold and set it to 60

Use a for loop with variable i to find scores greater than threshold and store them in an array called highScores

Print the highScores array elements separated by spaces

💡 Why This Matters

🌍 Real World

Arrays are used in games, apps, and websites to store lists like scores, names, or settings.

💼 Career

Understanding arrays is essential for programming jobs because they help manage data efficiently.

1

Create the scores array

Create an integer array called scores with these exact values: 50, 75, 60, 85, 40

C++

// Your code here

Need a hint?

Use int scores[5] = {50, 75, 60, 85, 40}; to create the array.

2

Set the threshold value

Create an integer variable called threshold and set it to 60

C++

int scores[5] = {50, 75, 60, 85, 40};
// Your code here

Need a hint?

Use int threshold = 60; to create the threshold variable.

3

Find scores above the threshold

Use a for loop with variable i from 0 to 4 to check each score in scores. If scores[i] is greater than threshold, add it to an integer array called highScores. Also create an integer variable count to track how many scores are added.

C++

int scores[5] = {50, 75, 60, 85, 40};
int threshold = 60;
// Your code here

Need a hint?

Use a for loop and an if statement to check and store scores above the threshold.

4

Print the high scores

Use a for loop with variable i from 0 to count - 1 to print each element of highScores separated by spaces.

C++

int scores[5] = {50, 75, 60, 85, 40};
int threshold = 60;
int highScores[5];
int count = 0;
for (int i = 0; i  threshold) {
        highScores[count] = scores[i];
        count++;
    }
}
// Your code here

Need a hint?

Use std::cout inside a for loop to print the scores with spaces.