I Did Not Do the Assignment Professor Petr is very angry over some of his students now-a-days for not doing assignment. He wants... |

Sofdor Ali's Magical Blackboard! Sofdor Ali found interest in mathematics very early in his life. And now, he wants to spread this in... |

Arya’s Counting Little Arya has learnt to count the highest and the lowest number recently. She can easily find out ... |

Make It Big! You are given a number N (10 ≤ N ≤ 2×109). You have to perform exactly two swap operation. You can c... |

Palindromic Naming Convention In Strangeland, people name their child in a cute way. I'm sure you already know the way by the prob... |

Burger King Every day, more than 11 million guests visit BURGER KING® restaurants around the world. And they do ... |

Alayna and Vowels Alayna loves playing. Every night before going to sleep, she plays different games with Baba. Now Al... |

Alayna's Adventure Journey Alayna recently went on her first adventure journey to Dumbulla Safari Park. She enjoyed the bumpy r... |

Forgotten Pin Code You have been using a 4 digit pin code to lock your phone that, no matter how much you are trying no... |

GPA Calculator Shibli is a very good student. He is very regular and attentive in his classes. He is very serious a... |

Geometry Forever Fear no more, this is a problem of geometry! When Moyna was little, he had a math teacher named Shuk... |

Collectors Problem The Bat club controls Gotham City. They decided to bring equality to the city (Of course, with some ... |

Life of Decimals Given any circle, if you divide the circumference of that circle with its diameter, you would always... |

Byang's Day Out! Byang and his little brother Kuno loves Cricket. But they never went to the stadium to watch a match... |

Game of Tic-Tac-Toe Alice and Bob is a playing a game of tic-tac-toe, to be precise a variant of tic-tac-toe called Nota... |

Arithmetic Sequence (Easy) Arithmetic Sequence is a sequence of numbers where the difference between two consecutive numbers ar... |

CGPA, the Golden Egg! Jenith is a student of CSE of Metropolitan University (MU). Recently her fifth term’s result has bee... |

Alice and the Chessboard It's Sunday afternoon, and Alice is in her room trying to figure out the rules of the game called Ch... |

Circle of Boltu Boltu and Poltu are two best friends. Boltu loves to play games in computer. When class is off, inst... |

Crossword Puzzles A crossword puzzle is usually a grid of RxC cells. Initially, each cell is either empty or blocked. ... |

Itsy's Magic Cards Itsy needs your help with her magic cards. Her magic cards grant her special spider-witch powers. Un... |

Alayna and Strings Alayna's father Baba gifted her a nice alphabet book last month. And now Alayna is in love with alph... |

Lexicographical Smallest String There is a string $s$ of length $n$ containing lowercase letters and an integer $k$. Among the lette... |

Yet Another Xinversion The problem statement is simple. You are given a rooted tree (1 is the root) and every node has a co... |

Hot Hike In order to pass time during your vacation, you decided to go on a hike to visit a scenic lake up in... |

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

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