🎙 Asked in Google

Given a sorted dictionary (array of words) of an alien language, find order of characters in the language.

coding wallah February 27, 2023

🎙 Asked in Google

Given a Linked List and a number N, write a function that returns the value at the Nth node from the end of the Linked List.

coding wallah February 27, 2023

Data science

DATA SCIENCE INTERVIEW PREPARATION( Interview Preparation Day 1)

coding wallah February 26, 2023

🎙 Asked in Google

Given string str, the task is to find the minimum number of characters to be inserted to convert it to a palindrome.

coding wallah February 25, 2023

🎙 Asked in Google

Find and print the uncommon characters of the two given strings in sorted order. Here uncommon character means that either the character is present in one string or it is present in another string but not in both. The strings contain only lowercase characters and can contain duplicates.s

coding wallah February 25, 2023

🎙 Asked in Google

Given two positive integers M and K, find the maximum integer possible by doing at-most K swap operations on its digits.

coding wallah February 24, 2023

🎙 Asked in Google

Given two positive numbers strings. The numbers may be very large (may not fit in long long int), the task is to find product of these two numbers.

coding wallah February 24, 2023

🎙 Asked in Google

Given an array arr[] of size N and an integer K, the task is to find all the array elements that appear more than (N /K) times.

coding wallah February 24, 2023

🎙 Asked in Google

Given an array arr[] of size N and an integer K, the task is to find all the array elements that appear more than (N /K) times.

coding wallah February 23, 2023

🎙 Asked in Google

Given an integer array having distinct elements, find the surpasser count for each element in it. In other words, for each array element, find the total number of elements to its right, which are greater than it.

coding wallah February 23, 2023

🎙 Asked in Google

Given an array where every element Occurs three times, except one element which occurs only once. Find the element that occurs once. The expected time complexity is O(n) and O(1) extra space.

coding wallah February 23, 2023

🎙 Asked in Google

Given an array arr[] of size N. The task is to find the sum of the contiguous subarray within a arr[] with the largest sum.

coding wallah February 23, 2023

🎙 Asked in Google

Given an array arr[] of integers. Find a peak element i.e. an element that is not smaller than its neighbors.

coding wallah February 23, 2023

🎙 Asked in Google

Given an array arr[] of N integers and an integer X, the task is to find three integers in arr[] such that the sum is closest to X.

coding wallah February 22, 2023

🎙 Asked in Google

Given an unsorted array of integers, find the number of subarrays having a sum exactly equal to a given number k.

coding wallah February 22, 2023