The problem “Find if there is a subarray with 0 sum” states that you are given an integer array containing negative integers as well. The problem statement asks to determine if any sub-array of size at-least 1. This sub-array should have a sum equal to 1. Example arr[] = {2,1,-3,4,5} …
Problem Statement The problem “Print Maximum Length Chain of Pairs” states that you are given some pairs of numbers. It is given that in each pair, the first number is smaller than the second number. Now you need to find the longest chain such that the second number of preceding …
Longest Substring Without Repeating Characters LeetCode Solution – Given a string, we have to find the length of the longest substring without repeating characters. Let’s look into a few examples: Example pwwkew 3 Explanation: Answer is “wke” with length 3 aav 2 Explanation: Answer is “av” with length 2 Approach-1 …
The problem “Remove Duplicates from Sorted List II” states that you are given a linked list that may or may not have duplicate elements. If the list has duplicate elements then remove all of their instances from the list. After performing the following operations, print the linked list at the …
The problem “Form minimum number from given sequence” states that you are given some pattern of I’s and D’s only. The meaning of I stands for increasing and for decreasing we are provided with D. The problem statement asks to print the minimum number which satisfies the given pattern. We have …
You are given an array of size n, initially all the values in the array will be 0, and the queries. Each query contains the four values, type of the query T, left point of the range, the right point of a range and a number k, you have to …
The problem “Generate all possible sorted arrays from alternate elements of two given sorted arrays” states that suppose you have two sorted arrays. The problem statement asks to find out all the possible sorted arrays, such that number should be arranged alternatively from the two given different arrays. Example ArrA[] …
In this problem, you are given an integer input n. Now you need to print the first n elements of the Moser-de Bruijn Sequence. Example 7 0, 1, 4, 5, 16, 17, 20 Explanation The output sequence has the first seven elements of the Moser-de Bruijn Sequence. Thus the output …
You are given an integer array, q queries, and a range as left and right. The “Number of indexes with equal elements in given range” says to find out the total number of count of integers in such a way that left <= i < right, such that Ai = Aj+1. …
You are given an array of integers. The integers are only 0 and 1 in the input array. The problem statement asks to find out the largest sub-array that can have equal count of 0s and 1s. Example arr[]={0,1,0,1,0,1,1,1} 0 to 5 (total 6 elements) Explanation From the array position …