An array is the most fundamental data structure, which stores elements at a contiguous memory location. If no such celebrity is present, return -1. Without any further ado, here is my list of some of the most frequently asked coding interview questions from programming job interviews: Array Coding Interview Questions.
Complete the function celebrity() which takes the matrix M and its size N as input parameters and returns the index of the celebrity. Since you need to scan the whole array to find the element, the time complexity of this algorithm is O(n). You don't need to read input or print anything. Here M will always be 0.Įxplanation: The two people at the party both I have already shared the Java 8 Interview questions and answers.In this tutorial, I will be sharing the top 10 Java 8 coding and programming interview questions and answers.I have only used Stream API functions to solve the below questions. If you go to a party of N people, find if there is a celebrity in the party or not.Ī square NxN matrix M is used to represent people at the party such that if an element of row i and column j is set to 1 it means ith person knows jth person. It has been 6 years since Java 8 was released. A celebrity is a person who is known to all but does not know anyone at a party. He is B.Tech from IIT and MS from USA.You are given N numbers a1,a2,a3.
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