Problem Statement Most Stones Removed with Same Row or Column LeetCode Solution says that On a 2D plane we place n stones at some integer coordinate points. Each coordinate point may have at most one stone. A stone can be removed if it shares either the same row or the same …
Problem Statement Is Graph Bipartite LeetCode Solution- There is an undirected graph with n nodes, where each node is numbered between 0 and n – 1. You are given a 2D array graph, where graph[u] is an array of nodes that node u is adjacent to. More formally, for each v in graph[u], there is an undirected edge between node u and node v. The graph has …
Problem Statement: Find the Town Judge LeetCode Solution – In a town, there are n people labeled from 1 to n. There is a rumor that one of these people is secretly the town judge and we need to find the town judge. If the town judge exists, then: The town judge trusts nobody. …
Problem Statement In this problem, we are given n people labelled from 1 to n. We are also given a 2d array trust[][] shows that trust[i][0]th people trusts trust[i][1]th people for each 0 <= i < trust.length. We have to find a person “town judge” who does not trust any …
You have to attend n number of courses (from 0 to n-1) where some of the courses have prerequisites. For instance: pair [2, 1] represents to attend course 2 you must have taken course 1. Given an integer n representing the total number of courses and the list of courses …
Problem Statement The problem “Find the smallest binary digit multiple of given number” states that you are given a decimal number N. So find the smallest multiple of N that contains only the binary digits ‘0’ and ‘1’. Example 37 111 A detailed explanation can be found below in the …
Problem Statement The problem “Minimum Operations to convert X to Y” states that you are given two numbers X and Y, it is needed to convert X into Y using following operations: Starting number is X. Following operations can be performed on X and on the numbers that are generated …
Problem Statement The problem “Check if two nodes are on the same path in a Tree” states that you are given a n-ary tree (directed acyclic graph) rooted at root node with uni-directional edges between it’s vertices. You are also given a list of queries q. Each query in list …
Problem Statement The problem “Distance of nearest cell having 1 in a binary matrix” states that you are given a binary matrix(containing only 0s and 1s) with at least one 1. Find the distance of the nearest cell having 1 in the binary matrix for all the elements of the …
Problem Statement The problem “Transpose graph” states that you are given a graph and you need to find the transpose of the given graph. Transpose: Transpose of a directed graph produces another graph with same edge & node configurations but the direction of all the edges have been reversed. Example …