Program to Print Array in C

Introduction

Printing an array in C involves outputting the elements of an array in the console in order. Printing an array gives us a look into the contents of an array. This can be achieved in various ways, all of which we will discuss after taking a look at the algorithm.

Algorithm

Let us take a look at the low-level algorithm that we will be using to print array in C.

Assume we have an array arr[].

START

• Step 1 → Take the array arr[] and define its values, that is define the value for each element of the array arr[].
• Step 2 → Start a loop for each value of the array arr[].
• Step 3 → Print the value associated with arr[i] where i is the current iteration.

STOP

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Pseudocode

Let us next look at the pseudocode to print an array in C concerning what we discussed in the above Algorithm section.

C program to Print the Elements of an Array

There are a lot of ways we can print the elements of an array in C. Let us take a look at some of the standard ways to print an array in C.

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  C Program to Print an Array Using For Loop

  We can use for loop to print the elements of an array in C. Let us take a look at the code and then understand the logic behind it.

Output

Explanation

In the above code, we print an array in C with the help of for a loop. We create an array arr initially and then we iterate over all the elements of the array using the for loop and then print the ith element in the ith iteration.

• C Program to Print an Array Using while loop

We can also use a while loop to print the elements of an array in C. Let us again take a look at the code and then understand the logic.

Output

Explanation

In the above code, we print an array in C with the help of a while loop. We create an array arr initially and then we use a while loop with the condition that the variable i which is initialized with 1 should be less than the size of the array. Every time the while loop runs we print the ith element and update the variable i by i+1.

• C Program to Print an Array using a do-while loop

Similar to a while loop we can also use a do while loop to print the elements of an array in C. Let us again take a look at the code and then understand the logic behind it.

Output

Explanation

In the above code, we print an array in C with the help of a do while loop. The code is very similar to the code where we use a while loop. The only difference is that the condition for while is checked at exit and not at the entry.

• Program to Print Elements in an Array using Functions

  We can also create a function to print the elements of an array in C. Let us again take a look at the code and then understand the logic behind it.

  • Using for loop with a function to print an array in C

Output

Explanation

In the above code, we declare a function by the name Print_array() which takes as input the array which is to be printed and the size of the array. The function internally uses a for loop to print an array as was discussed in the previous sections.