Prologic Web Solutions Interview Questions and Answers

You have been given two Strings “STR1” and “STR2” of characters. Your task is to find the length of the longest common subsequence.

A String ‘a’ is a subsequence of a String ‘b’ if ‘a’...read more

Imagine you have a special keyboard with the following four keys:

Key 1: (A): Print one ‘A’ on screen. Key 2: (Ctrl-A): Select the whole screen. Key 3: (Ctrl-C): Copy selection to buffer. Key ...read more

You are given an array of strings ‘ARR’. You have to find out the second most repeated word in the array ‘ARR’. It is guaranteed every string occurs a unique number of times in the arra...read more

You have been given a graph consisting of ‘N’ nodes and a threshold value ‘THRESHOLDVALUE’. Two different nodes ‘X’ and ‘Y’ are directly connected to each other if and only if there e...read more

You are given an integer 'N'. For a given 'N' x 'N' chessboard, find a way to place 'N' queens such that no queen can attack any other queen on the chessboard.

A queen can be killed when it lies in the ...read more