Problems
Aliens 19 February 2020, Unidentified flying object (UFO) has captured student’s attention on top of the CS... |
Birthday Present Today is problem setter's best friend Jenny’s birthday. Long ago, Jenny, being a very clever girl, a... |
Stark Tree “And I am the Iron man”… After, saying this line Tony Stark saves the world with his life. Before dy... |
DNA Demolition Four types of bases are found inside a DNA molecule- Adenine (A), Cytosine (C), Guanine (G), and Thy... |
Contest Area Dr. Wu has organized a programming contest and invited teams to participate. As It is a long contest... |
Bonus Project HOJOBOROLO, a multinational company, has N employees numbered from 1 through N. Each employee, excep... |
Hirak Rajar Desh Hirak Raja, the king of the country “Hirak Rajar Desh”, the conqueror ultimate, wanted to expand his... |
Divisible LCM You have a sequence a1, a2, a3, …, an of n integers and q queries. In each query, you are given ... |
Helikopter Helikopter Tommy Vercetti has completed the infamous RC helicopter mission after many attempts. And now he ne... |
Many Paths, Many Costs Alice and Bob are visiting Byteland. They are observing the map of this country. Surprisingly, the m... |
Oyler's Geometric Jumps The road from Oyler’s home to his school has nsteps, where his home is at step 1 and his school is a... |
Pairexp Given two numbers, print the number only if both numbers are the same. |
Odd Screams You will be given a string with one or more a’s. You have to write a regular expression that matches... |
Babur Biye Babu is getting married. Babu's fiancé is a prominent programmer of Bangladesh. She told Babu to sol... |
Why the Long Face? Consider the following figure: Ciri and her horse Kelpie are standing at point A. She needs to go to... |
The Game of Rocks Alice and Bob have come up with a new game. Bob gives Alice a NxM grid that contains N rows and M co... |
Amusement Park One of Tommy’s family members is planning a trip to an amusement park, and Tommy is interested in ca... |
Marks Crisis!!! Rakib got the result of his previous English exam. But he did very poor in the exam, and went to his... |
Frog and Points There are N stones on across the diameter of a perfectly circle shaped pond at equal distance. The 1... |
Optimistic Parking N friends are going to market. The shops of the market are located alongside a one-way road. There a... |
Gorgeous Space Station Doro is the chief commanding officer of two space stations, Mungi and Hanzi. To make both stations g... |
Sweeper's Dillemma Minesweeper is a popular single-player puzzle video game from the 60's. It still enjoys the privileg... |
Simple Pyramid You are given a pyramid with a polygonal base. Can you calculate the volume and surface area of the ... |
Ajob Commute II Once again we return to Ajobshohor, the capital city and the heart of Ajobdesh. Ajobshohor’s road sy... |
Ant-Man And The Polygon Ant-Man before escaping from the quantum realm thought about roaming around the realm. And much to h... |
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
