Hashing Problems

Shikamaru is the most brilliant student of his class. He is very good at Mathematics. Mr. Asuma is t...

• By fsshakkhor
• Hashing, MOSAlgorithm, NumberTheory
• Moderate
• 51/113 Solutions
• 587 Submissions
• uDebug

Chikongunia is an epidemic in Dhaka right now. Many people are affected by this. But the problem is,...

• By ridowan007
• Hashing
• Moderate
• 112/172 Solutions
• 1484 Submissions
• uDebug

Well, I will not waste your time and go straight to the problem. You are given an array A of numbers...

• By IamHot
• Hashing
• Moderate
• 12/26 Solutions
• 111 Submissions

You will be given a string s of length n. Consider substring s[i, n] (where i is the starting positi...

• By emrul_mu
• Hashing, SuffixStructure
• Moderate
• 21/27 Solutions
• 115 Submissions

You are given a string of length L. You have Q queries. In each query, you will be asked to either u...

• By tahmedge, IamHot
• DataStructure, Hashing, SegmentTree
• Moderate
• 6/15 Solutions
• 63 Submissions

The king of Stringland is employing an elite force of undercover agents to protect the kingdom from ...

• By SMAN2901
• Eertree, Hashing, SuffixStructure
• Moderate
• 17/19 Solutions
• 104 Submissions

In Strangeland, people name their child in a cute way. I’m sure you already know the way by the prob...

• By skmonir
• BruteForce, Hashing, KnuthMorrisPratt, String
• Moderate
• 34/72 Solutions
• 213 Submissions

You are given two connected graphs G_1 and G_2. Both of the graphs have N vertices and N number of e...

• By fsshakkhor
• Hashing, KnuthMorrisPratt
• Moderate
• 14/32 Solutions
• 112 Submissions

We heard you like trees. But this problem has no relation to trees being frozen. :D You are given a ...

• By souravvv
• DisjointSets, Hashing
• Moderate
• 17/21 Solutions
• 131 Submissions

Bob is the owner of a shop named “Color Maker”. He has 256 types of watercolor in his shop. The type...

• By shefin
• BinarySearch, Hashing
• Moderate
• 11/16 Solutions
• 119 Submissions

Tony works in a multinational technology company named Voogle LLC. The employees of Voogle follow ce...

• By akash.kuet
• DP, Hashing, Implementation
• Moderate
• 35/88 Solutions
• 312 Submissions

Asfia’s daughter just turned 5. She is looking for a school to get her admitted. Like every other pa...

• By ishtupeed
• Hashing, Math
• Moderate
• 53/73 Solutions
• 271 Submissions

There is a kingdom called DomKi. DomKi has N city and N-1 two-way road. Each city is numbered with 1...

• By prodip_bsmrstu
• Bitmask, DataStructure, Hashing, LowestCommonAncestor, Tree
• Moderate
• 4/8 Solutions
• 29 Submissions