C Program to Increment All Elements of an Array by One

This program increments every element of the array by one & print incremented array.

Problem Description

This is a C program which increments every element of the array by one & print array. We need to add 1 to all the elements of the given array.

Problem Solution

1. Create an array of some size and define its elements.
2. Create a function in which the array created will be passed as parameter.
3. Inside this function, using for loop, access each element of the array, add 1 to the element and store this new value in the same place.
4. Print the array.

Program/Source Code

Here is source code of the C Program to increments every element of the array by one & print array. The program is successfully compiled and tested using Turbo C compiler in windows environment. The program output is also shown below.

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    /*
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     * C Program to Increment every Element of the Array by one & Print Incremented Array

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     */
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    #include <stdio.h>
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    void incrementArray(int[]);
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    void main()
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    {
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        int i;
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        int array[4] = {10, 20, 30, 40};

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        incrementArray(array);
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        for (i = 0; i < 4; i++)
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           printf("%d\t", array[i]);   // Prints 2, 3, 4, 5

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    }
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    void incrementArray(int arr[])
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    {
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        int i;
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        for (i = 0; i < 4; i++)
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            arr[i]++;     // this alters values in array in main()

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    }
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Program Explanation

1. Declare an array of some fixed size(i.e 4) and define all its element at the time of declaration.
2. Create a function an pass this array to this function as a parameter.
3. Inside this for loop, run a for loop from 0 to size-1, accessing each element of the array, add 1 to it and store the result in the same array index.
4. Print the array.

Runtime Test Cases

11    21    31   41

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