Problems
Game of Palindromes In a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ... |
The Clash of Tactical Titans: Klopp vs. Ten Hag In the intense world of football rivalries, where victory and defeat carry immense weight, two icon... |
Buildings There are n buildings in a row. The height of the i-th building is hi. You have ৳k. It is the amoun... |
Mirror World Imagine a world inside mirror, where everything becomes reverse. Left hand becomes right hand, right... |
Is It A Square? Shikamaru is the most brilliant student of his class. He is very good at Mathematics. Mr. Asuma is t... |
Imagine a Graph 1 Imagine a graph of infinite nodes labelled with positive integers from 1 to ∞. Take every pair of no... 
Very Easy
40/58/191 |
Two Friends CodeMask and CodeNewtons are two friends. Today they are playing an interesting game. The game invol... |
Say It! You will be given an English letter'(A'-'Z' or 'a'-'z'). You have to say whether it is lowercase or ...
Easy
98/99/132 |
Calculate the Sum If You Can This problem deals with the following expression: 1−2+1−2+1−2+1−2+1−2+1−2+1−2+... Given n, you have ... |
Traveling Policy of Ajobdesh In Ajobdesh, there are multiple cities and one of them is considered as the capital city. Obviously,... |
The Boat Filled With Love You know a large part of our country is under water. The flood affected those areas immensely. Affec... |
Problem Number Nine and Three Quarter Harry is going to start his school at Hogwarts this year. In order to reach Hogwarts, he needs to ca... |
Palindromist Prof. Ying Zang has an affinity for symmetric objects. Perhaps that is why she loves palindromes. So... |
A Lack of Common Divisors Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ... |
Meena O Rajur Boring Class One day, the teacher in Meena and Raju's school was teaching the students about Fibonacci numbers. T... |
Magic Square A little boy Towhid is good at mathematics. He solves a lot of mathematical equation regularly. He i... |
You Want Chocolate? Bear Limak is very much fond of chocolate. His mom wants her son to study hard and develop his skill... |
Distinctness A substring of string S is another string S' which occurs in string S. For example: S = aaba and one... |
Challenging Case Officer Rahman, a mysterious character, often gets into trouble. He faced the most dangerous crimina... |
Quest for Messi In the town of Binaryvile, located in Argentina, there was great anticipation as Lionel Messi, the w... |
World Champion A different type of football tournament is being played between Argentina and other teams. We all wa... |
Wizard Duel Wizard Duel is approaching soon in Hogwarts and the students of the Dueling Club are absolutely thri... |
Final Days of Goldfinger We see agent Bond once again being called in time of a great need. The vile criminal Auric Goldfinge... |
Battle of Brains Do you remember Alice and Bob? They are fighting for glory in a battle game they’ve just bought. The... |
Linear Programming? Given the value a, b and N. Find the number of non-negative integer pairs (x1,x2) which satisfies ... |
Tags
2Sat, Adhoc, ApolloneasTheorem, Backtracking, BFS, Bignum, BinarySearch, BipartiteMatching, Bitmask, BruteForce, ChineseRemainderTheorem, Combinatorics, ConvexHull, CutVertex, DataStructure, DFS, DigitDP, DisjointSets, DivideAndConquer, DP, Eertree, EulerTour, ExpectedValue, FenwickTree, FFT, Flow, Game, GCD, Geometry, Graph, Greedy, Hashing, HeavyLightDecomposition, Implementation, InclusionExclusion, Interactive, KnuthMorrisPratt, LowestCommonAncestor, Math, Matrix, MatrixExponentiation, MergeSortTree, ModularExponentiation, MOSAlgorithm, MST, NTT, NumberTheory, Parsing, PersistentLiChaoTree, PersistentSegmentTree, PollardRho, PriorityQueue, Probability, Queue, RabinMiller, RangeOrderStatistics, Scheduling, SegmentTree, ShortestPath, Simulation, Sorting, SparseTable, SpragueGrundyTheorem, SqrtDecomposition, Stack, String, StronglyConnectedComponents, SuffixStructure, TernarySearch, Tree, Trie, TwoPointer, WaveletTree
