# Hashing Problems

 Eet Izz Phet!A long long time ago, I left the country that was my home and with my head full of brains and shoes ... PalindromistProf. Ying Zang has an affinity for symmetric objects. Perhaps that is why she loves palindromes. So... Very Easy 112/164/967 Palindromic Naming ConventionIn Strangeland, people name their child in a cute way. I'm sure you already know the way by the prob... Moderate 53/129/457 Is It A Square?Shikamaru is the most brilliant student of his class. He is very good at Mathematics. Mr. Asuma is t... ChikonguniaChikongunia is an epidemic in Dhaka right now. Many people are affected by this. But the problem is,... Very Easy 129/196/2k Match the RangeWell, I will not waste your time and go straight to the problem. You are given an array A of numbers... Moderate 17/31/146 Game of PalindromesIn a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ... Moderate 43/63/150 Unique Substrings QueryYou will be given a string s of length n. Consider substring s[i, n] (where i is the starting positi... Moderate 22/28/121 Palindrome Query IYou are given a string of length L. You have Q queries. In each query, you will be asked to either u... Moderate 15/38/144 The Story of StringlandThe king of Stringland is employing an elite force of undercover agents to protect the kingdom from ... Isomorphic GraphYou are given two connected graphs G1G_1G1​ and G2G_2G2​. Both of the graphs have NNN vertices and N... Freezing TreesWe heard you like trees. But this problem has no relation to trees being frozen. :D You are given a ... Moderate 17/21/131 Wavio PalindromePalindrome is a string which reads the same from both right to left and left to right. Formally, a s... Very Hard 26/31/154 WatercolorBob is the owner of a shop named "Color Maker". He has 256 types of watercolor in his shop... Moderate 16/21/201 Photo MatchingYou’ll be given two matrix M1 and M2 and another integer K. The size of both M1 and M2 are N*N and e... Moderate 47/66/312 Naming ConventionTony works in a multinational technology company named Voogle LLC. The employees of Voogle follow ce... Moderate 40/94/349 Vox PopuliAsfia's daughter just turned 5. She is looking for a school to get her admitted. Like every other pa... Moderate 55/75/274 Race in DomKiThere is a kingdom called DomKi. DomKi has N city and N-1 two-way road. Each city is numbered with 1... EP-PalindromesYou will be given an array of integers AAA. You have to count the number of subarrays\textbf{subarra... Moderate 32/52/251 Fabby and Her Wedding DressYou all remember Fabby, the princess of Byteland. People of Byteland are waiting for the biggest cel... Moderate 11/18/257