C program to display the greatest number among five numbers by using array

Introduction:

Are you looking for a way to determine the biggest number among a set of five numbers in C programming? If so, you’ve come to the right place! By using arrays in C programming, you can easily find the greatest number among five.

In this article, we will walk you through step-by-step instructions on how to write a C program to display the greatest number among five numbers by using arrays. We will also provide you with some helpful tips, common FAQs, and a conclusion.

Setting Up Your Program

Before we begin writing our C program, we need to set up our environment. To write a C program, you need a compiler, a text editor, and a terminal.

If you don’t have a compiler installed, we recommend downloading GCC or Clang. If you’re using a Windows machine, you can download CodeBlocks or Dev-C++. These compilers come with a built-in text editor and terminal, so you don’t need to install anything else.

Once you have your compiler and text editor set up, it’s time to write our C program.

Writing the C Program to Display the Greatest Number Among Five

Let’s start by declaring an array with five elements. We will then use a for loop to read in the five numbers from the user and store them in the array. Finally, we will use another for loop to find the greatest number among the five.

Here’s the code:

#include <stdio.h>
#include<conio.h>
main()
{
int i, big;
int a[5];
printf("Enter any five number\n");
for (i=0;i<5;i++)
{
scanf("%d",&a[i]);
}
big=a[0];
for(i=1;i<5;i++)
{
if(a[i]>big)
{
big=a[i];
}
}
printf("\n Greatest no=%d",big);
getch();
}

Explanation of the program:

This is a C program to find the greatest number among five numbers using an array. Here is an explanation of the code:

1. The first line of the code includes the standard input-output header file "stdio.h" and the header file "conio.h" that includes the getch() function used at the end of the program.
2. The main() function is the starting point of the program.
3. Two integer variables are declared; i is used as a counter for the loop and big is used to store the greatest number among the five.
4. An integer array a[5] is declared to hold five numbers entered by the user.
5. The printf() function displays a message asking the user to enter any five numbers.
6. The for loop is used to read the five numbers entered by the user using the scanf() function.
7. The big variable is initialized with the first element of the array a[0].
8. The second for loop starts from the second element of the array a[1] and compares it with the first element a[0] to find the greatest number among the five numbers.
9. If the current element is greater than the big variable, then the value of big is updated with the current element.
10. Finally, the printf() function is used to display the greatest number using the %d format specifier.
11. The getch() function is used to hold the output screen until a key is pressed.

Output of the program:

Tips for Writing Your C Program:

• Always remember to declare your variables before using them in your program. This will prevent any errors from occurring.
• Use clear and concise variable names to make your code more readable.
• Use comments to explain what your code is doing. This will make it easier for others (and yourself) to understand your code in the future.
• Test your program with different inputs to make sure it works correctly.

FAQ:

Q: What is an array in C programming?

A: An array is a collection of similar data types that are stored in contiguous memory locations. In C programming, an array is used to store a collection of elements of the same type.

Q: Can we find the greatest number among five numbers without using an array?

A: Yes, we can find the greatest number among five numbers without using an array by using a set of nested if-else statements. However, using an array makes the code more concise and easier to read.

Q: How can I modify the program to find the smallest number among five numbers?

A: To find the smallest number among five numbers using an array, you can initialize the big variable with the first element of the array and modify the if statement to check if the current element is smaller than the big variable.

Conclusion:

In conclusion, the C program to display the greatest number among five numbers by using an array is a simple and efficient program that reads five numbers from the user and uses an array to find the greatest number among them. The program is easy to understand and can be modified to find the smallest number among five numbers as well. Arrays are an important data structure in C programming and are widely used to store collections of elements of the same type. Overall, this program is a good example of how arrays can be used to simplify complex problems and make code more concise and readable.