These problems are from a contest organized by CSEDU Informatics Club, University of Dhaka on See details...

Standings

A.
All In One Grid Ryana, Fardin, and Bithi are best friends. One day, they were playing with dominos and a grid. Ryana... |

B.
Newbie Boba has opened a toy-manufacturing company that has n workers, where exactly m workers are newbies ... |

C.
Crash Course Sawda and Alayna have received a remote-controlled toy robot as a gift from their beloved uncle, Mri... |

D.
Cracking the Code A group of cp enthusiastic students from University of Dhaka were on a fun journey. They brought alo... |

E.
Just Another String Problem A string is called good if the number of occurrence of every character in it is even. For example, “... |

F.
Festival of Sticks In the vibrant village of Stickeville, an annual tradition known as the Festival of Sticks is celebr... |

G.
Suffix Cutting You are given an array a consisting of n integers a1,a2,....,an. The array is called beautiful if... |

H.
Schrödinger's Brightness Antman is in the quantum realm. He has n orbits which are concentric and circular. These are called ... |

I.
Invertible Construction You are given two integers n and k. We define an operation on a r×c binary matrix as follows: Choos... |

J.
Farewell Alice has found an array A containing n non-negative integers, where the i-th element is named Ai. ... |

Practice contests allow you to re-run contests and experience them as close as possible to the original run.

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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