Byang's Day Out!Byang and his little brother Kuno loves Cricket. But they never went to the stadium to watch a match...
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Life of DecimalsGiven any circle, if you divide the circumference of that circle with its diameter, you would always...
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Lexicographical Smallest StringThere is a string sss of length nnn containing lowercase letters and an integer kkk. Among the lette...
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Make It Big!You are given a number N (10 ≤ N ≤ 2×109). You have to perform exactly two swap operation. You can c...
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Itsy's Magic CardsItsy needs your help with her magic cards. Her magic cards grant her special spider-witch powers. Un...
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GPA CalculatorShibli is a very good student. He is very regular and attentive in his classes. He is very serious a...
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Alayna and VowelsAlayna loves playing. Every night before going to sleep, she plays different games with Baba. Now Al...
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CGPA, the Golden Egg!Jenith is a student of CSE of Metropolitan University (MU). Recently her fifth term’s result has bee...
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Sofdor Ali's Magical Blackboard!Sofdor Ali found interest in mathematics very early in his life. And now, he wants to spread this in...
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Arya’s CountingLittle Arya has learnt to count the highest and the lowest number recently. She can easily find out ...
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Alice and the ChessboardIt's Sunday afternoon, and Alice is in her room trying to figure out the rules of the game called Ch...
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Arithmetic Sequence (Easy)Arithmetic Sequence is a sequence of numbers where the difference between two consecutive numbers ar...
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Oh No! Classes!You will be given three pairs of integers, which denotes the starting and ending time in seconds of ...
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Burger KingEvery day, more than 11 million guests visit BURGER KING® restaurants around the world. And they do ...
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Alayna's Adventure JourneyAlayna recently went on her first adventure journey to Dumbulla Safari Park. She enjoyed the bumpy r...
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Alayna and StringsAlayna's father Baba gifted her a nice alphabet book last month. And now Alayna is in love with alph...
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Geometry ForeverFear no more, this is a problem of geometry! When Moyna was little, he had a math teacher named Shuk...
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Anita's ExperimentLittle Anita is doing an experiment with herself. Everyday, depending on her mood, she determines a ...
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Sweety Miya The SaverThe universe is at war again because of the Alien oppressive ruler Hitla Nagasaki. Hitla is so bruta...
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I Did Not Do the AssignmentProfessor Petr is very angry over some of his students now-a-days for not doing assignment. He wants...
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Circle of BoltuBoltu and Poltu are two best friends. Boltu loves to play games in computer. When class is off, inst...
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Crossword PuzzlesA crossword puzzle is usually a grid of RxC cells. Initially, each cell is either empty or blocked. ...
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Game of Tic-Tac-ToeAlice and Bob is a playing a game of tic-tac-toe, to be precise a variant of tic-tac-toe called Nota...
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Palindromic Naming ConventionIn Strangeland, people name their child in a cute way. I'm sure you already know the way by the prob...
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Yet Another Xinversion !The problem statement is simple. You are given a rooted tree (111 is the root) and every node has a ...
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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
