Given an unsorted array. How to find duplicates in array using PHP. These types of questions are generally asked in interviews. Sometimes interviewer allows to use in-built function sometimes not.
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C Program to Find Missing number in Array
Write a c program to find missing number in array. Given an array of numbers from 1 to n. The array is sorted. One number is missing from an array. You have to write a c code to find the missing number from an array. Also ,there is no duplicates in an array. This type of questions is generally asked in technical interviews.
C Program to Reverse a String using Stack, Pointers, Recursion & Swap
Write a c program to reverse a string without using strrev function. Given an input string, we have to write a method to reverse a string. In c, you can simply reverse a string using an inbuilt strrev() function. But we don’t have to use this method.
Think how do you solve this problem. In this tutorial, we write a c code to reverse a string using stack, pointers, recursion, loop.