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Arnab Chakraborty has Published 4452 Articles
![Arnab Chakraborty](https://www.tutorialspoint.com/assets/profiles/123881/profile/60_2940367-1661162113.png)
Arnab Chakraborty
583 Views
Suppose we have n cities connected by m flights. Each flight starts from u and arrives at v with a price w. If we have all the cities and flights, together with starting city src and the destination dst, here our task is to find the cheapest price from src ... Read More
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Arnab Chakraborty
249 Views
Suppose we have one unrooted tree; this is one undirected graph with no cycles. The given input is a graph that started as a tree with N nodes (values of the nodes are distinct values ranging from 1 through N), with one additional edge added. The added edge has two ... Read More
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Arnab Chakraborty
148 Views
Suppose we have a binary tree, we also have the value v and depth d, we have to add a row of nodes with value v at the given depth d. The root node is at depth 1. We have to follow this rule to perform this operation −As we ... Read More
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Arnab Chakraborty
308 Views
Suppose we have a string containing only digits, we have to restore it by returning all possible valid IP address combinations. We know that a valid IP address consists of exactly four integers (each integer is in range 0 to 255) separated by single points.So, if the input is like ... Read More
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Arnab Chakraborty
131 Views
Suppose we have a binary tree where each path going from the root to any leaf form a valid sequence, we have to check whether a given string is a valid sequence in such binary tree or not.We will get the given string from the concatenation of an array of ... Read More
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Arnab Chakraborty
433 Views
Suppose we have a queue of integers, we need to retrieve the first unique integer in that queue. We have to implement the class called FirstUnique: It will be initialized by the numbers in the queue. Define one function showFirstUnique(), this will return the value of the first unique integer ... Read More
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Arnab Chakraborty
241 Views
Suppose we have Given two arrays words1, words2 these are considered as sentences, and a list of similar word pairs, we have to check whether two sentences are similar or not. So if the input is like words1 = ["great", "acting", "skills"] and words2 = ["fine", "drama", "talent"] these two ... Read More
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Arnab Chakraborty
313 Views
Suppose we have a node from a Circular Linked List which is sorted in increasing order, we have to define a function to insert a value insertVal into the list such that it remains a sorted circular list.The node can be a reference to any single node in the list, ... Read More
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Arnab Chakraborty
297 Views
Suppose we have an array and that is sorted in ascending order, we have to define a function to search target in nums. If the target is present, then return its index, otherwise, return -1.The array size is not known. We can only access the array using an ArrayReader interface. ... Read More
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Arnab Chakraborty
198 Views
Suppose we have a binary 2D array grid, here an island is a group of 1's (land) connected 4- directionally (horizontal or vertical.) We can assume all four edges of the grid are surrounded by water. We have to count the number of distinct islands.An island is considered to be ... Read More