Coding round plays a crucial role in selection process, so before attending an interview you should be familiar with all the programming concepts. The most important concepts are listed below, check them out before attending an interview.
- Arrays
- Linked List
- Strings
- Recursions
- Stacks and Queue
- Hashing
- Heap
- Tree
- Graph
STRINGS
- Reverse words in a given string
- Longest Palindrome in a String
- Longest Common Prefix
- Implement Atoi
- Palindrome or not
- Anagram or not
- Check if string is rotated by two places
- Recursively remove all adjacent duplicates
- Permutations of a given string
- Roman Number to Integer
- Remove Duplicates
- Longest Distinct Characters in string
- Implement strstr
- Maximum Occouring character in a given string
- Remove Characters in first String Which are present in Second String
- Reversing the String without Recurssion
- String to integer
- Count the characters in a String
- Find the first non repeating character in a string
- Ignoring a String
ARRAYS
- Find the Missing number in array from a sequence of numbers
- kadanes algorithm
- merge two sorted arrays
- duplicate number in integer array
- find all the pairs whose sum is equal to given number
- subarray with given sum
- inversion of array
- N'th smallest element in a given array
- Largest number formed from the array
- Quick sort
- find the number which is not repeated
- common elements in three different arrays
- first repeating element
- Pythagorean Triplet
- Rearrange Array alternatively
- Smallest Positive integer value that cannot be represented as sum of any subset of a given array
- subarray with sum equal to zero
- how to remove a given element from an array
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