Sherlock and MiniMax | HackerRank Solution [Hard]
Given an integer range, for all M in that inclusive range, determine the minimum – abs(arr[i]-M) for all i
Category: Competitive Programming
PacMan – DFS | HackerRank Solution [Easy]
Print all the nodes that you encounter while printing DFS tree. Then, print the distance ‘D’ between the source ‘P’ and the destination ‘.’
Reverse Shuffle Merge | HackerRank Solution [Advanced]
Given a string s such that, s ∈ merge(reverse(A), shuffle(A)) for some string A, find the lexicographically smallest A
Generate Parentheses – LeetCode Solution [Medium]
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.
Counting Bits O(n) Solution – LeetCode [Easy] | Brian Kernighan’s Algorithm
Given an integer n, return an array ans of length n + 1 such that for each i (0 <= i <= n), ans[i] is the number of 1's in the binary representation of i.
Longest Substring Without Repeating Characters – LeetCode Solution [Medium]
Given a string s, consisting of English letters, symbols and spaces, find the length of the longest substring without repeating characters.
Substring Diff | HackerRank (Algorithms) | Longest Common Substring
Given two strings and an integer, determine the length of the longest common substrings of the two strings that differ in no more than k positions.
Anagram | HackerRank Solution | Anagram Algorithm
Two words are anagrams of one another if their letters can be rearranged to form the other word. Given a string, split it into two contiguous substrings of equal length. Determine the minimum number of characters to change to make the two substrings into anagrams of one another.
Reinfected Solution | CodeChef Puzzle in C++
We are very near to our goal now. The enemy is being weakened continuously. But alas, sensing his fall, the hacker has spread a worm into our network. It is consuming all our files at a tremendous rate and must be stopped at all costs. The only way to stop it is to enter a specific code number in to the worm.
Hardware Store | CodeChef Puzzle in C++
The first and the last digits of the price were not readable. Although, the number of nails in the box could be read clearly. The box read,
72 nails, Rs. _679_