How to Fill an Array with Random Numbers in C++
In this lesson, we write a C++ program that fills array elements with random numbers from 1 to 100.
The user first enters how many elements he wants, then the program fills the array automatically with random numbers and prints the array elements on the screen.
For example, if the user inputs:
15
The output can be:
77 88 38 30 99 23 34 67 83 37 32 26 19 98 66
In this video, you will learn:
• How to fill an array with random numbers in C++
• How to ask the user for the number of array elements
• How to use the GenerateRandomNumber() function inside an array
• How to generate random numbers from 1 to 100
• How to store random values inside array elements
• How to display array elements using a DisplayArray() function
• How to solve an important beginner array problem step by step
• How to use functions and loops together in a practical way
This lesson is a very important beginner-friendly introduction to arrays and random number generation in C++.
It also helps you understand how to combine previously learned functions to build a complete practical program.
If you are learning C++ problem solving step by step, this lesson will help you understand arrays, loops, functions, and random generation in a simple and clear way.
This lesson 22 of Course 4: Problem Solving for Programmers Using C++ (Part 2) – Beginner Track.
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