Problem Statement In this problem a multiword string is given and we have to return the length of the last word present in that string. If there are no words we have to return 0. Example s = “Hello World” 5 Explanation: Length of the last word “World” is 5. …
Problem statement In the problem ” Sort Integers by The Number of 1 Bit,” we are given an array arr. Our task is to sort the elements in the array according to the number of 1 bit in the binary representation of the number in ascending order. If two or …
Problem statement In the problem ” Plus One” we are given an array where each element in the array represents a digit of a number. The complete array represents a number. The zeroth index represents the MSB of the number. We can assume that there is no leading zero in …
Problem statement In the problem ” Check If N and Its Double Exist” we are given an array of n elements. Array length is greater than or equal to two. Our task is to check if there exists a pair in the array such that the first value is double …
Problem statement In the problem ” Day of the Year” we are given a string that contains a date in the format YYYY-MM-DD. Our task is to return the day number of that date. If the given date is 2020-01-05. This is 5th January 2020 which is the 5th day …
Problem Statement In Special Positions in a Binary Matrix problem a matrix of size n*m is given in which there are only two type of values 1s and 0s. A cell position is called special if value of that cell is 1 and values in all the cells in that …
Problem statement In the problem ” Water Bottles” we are given two values namely” numBottle” which will store the total number of full water bottles and “numExchange” which will store the total number of empty water bottles we can exchange at a time and get a full water bottle. After …
In the problem “Maximum Product of Two Elements in an Array”, our goal is to find two indices i and j in a given array of integers a, such that the product (a[i] – 1) * (a[j] – 1) is maximum. The array has at least 2 elements and all …
Problem statement In the problem ” Mean of Array After Removing Some Elements” we are given an array. All the elements of the array are positive integers. The size of the array is multiple of 20. Our task is to find the mean of the array excluding the smallest 5% …
Problem statement In the problem “Kth Missing Positive Number” we are given an array arr, which is sorted in strictly increasing order and a number k. Our task is to find out the Kth positive missing number in the array. Example arr = [1,2,3,4], k = 2 6 Explanation: As …