In this post, we will solve HackerRank Longest Mod Path Problem Solution. In the middle of a nightmare, Maxine suddenly finds herself in a mysterious room with the following items: There are Q levels to Maxine’s nightmare castle, and each one has a different set of valuesfor S. E. and M. Given the above information,…
In this post, we will solve HackerRank Modify The Sequence Problem Solution. You are given a sequence of integers a1,a2,a3…..an. You are free to replace any integer with any other positive integer. How many integers must be replaced to make the resulting sequence strictly increasing? Input FormatThe first line of the test case contains an…
In this post, we will solve HackerRank Zurikela’s Graph Problem Solution. Zurikela is creating a graph with a special graph maker. At the begining, it is empty and has no nodes or edges. He can perform 3 types of operations: Create the graph by completing the Q operations specified during input. Then calculate themaximum number…
In this post, we will solve HackerRank Police Operation Problem Solution. Roy is helping the police department of his city in crime fighting. Today, they informed him about a new planned operation.Think of the city as a 2D plane. The road along the X-axis is very crime prone, because n criminals live there. No two…
In this post, we will solve HackerRank Mining Problem Solution. There are n gold mines along a river, and each mine i produces w, tons of gold. In order to collect the mined gold, we want to redistribute and consolidate it amongst exactly k mines where it can be picked up by trucks. We do…
In this post, we will solve HackerRank Dorsey Thief Problem Solution. Mr. Dorsey Dawson recently stole X grams of gold from ACME Jewellers. He is now on a train back home. To avoid getting caught by the police, he has to convert all the gold he has into paper money. He turns into a salesman…
In this post, we will solve HackerRank Square Subsequences Problem Solution. Square Subsequences A string is called a square string if it can be obtained by concatenating two copies of the same string. For example, “abab”, “aa” are square strings, while “aaa”, “abba” are not. Given a string, how many (non-empty) subsequences of the string…
In this post, we will solve HackerRank Extremum Permutations Problem Solution. Let’s consider a permutation P = {p1, p2, …, pN} of the set of N = {1, 2, 3, …, N} elements . P is called a magic set if it satisfies both of the following constraints: How many such magic sets are there? Input FormatThe first line of…
In this post, we will solve HackerRank Swap Permutation Problem Solution. You are given an array A = [1, 2, 3, …, n]: An adjacent swap can be made between two elements of the Array A, A[i] and A[i+1] or A[i] and A[i-1].A swap otherwise can be between any two elements of the array A[i] and…
In this post, we will solve HackerRank Hyper Strings Problem Solution. String A is called a Super String if and only if: A contains only letters a, b, c, d, e, f, g, h, i, j;For any i and j. A[i] has lower ascii code than A[j], where 0 < i < j < length…
In this post, we will solve HackerRank Candles Counting Problem Solution. Tim is visiting his grandma for two days and is bored due to the lack of the electricity over there. That’s why he starts to play with grandma’s colorful candle collection.He aligned the N candles from left to right. The ith candle from the…
In this post, we will solve HackerRank Longest Palindromic Subsequence Problem Solution. Steve loves playing with palindromes. He has a string, s, consisting of n lowercase English alphabetic characters (i.e., a through z). He wants to calculate the number of ways to insert exactly 1 lowercase character into string s such that the length of…
