Adhoc Problems
Alligator Sky There are N balls in a box. You have two robots Alice and Bob. You will set favorite number for each... |
Clock Fantasy One day the author imagined an analog clock with minute and hour arms. The thought was simple: if we... |
Strong Passwords Mitu had been using the password mitu1997qt on all her online accounts. And sure enough, her account... |
Locality-Sensitive Hashing I According to Wikipedia, Locality-Sensitive hashing (LSH) is an algorithmic technique that hashes sim... |
Farewell Gift for Messi Lionel Messi, the greatest footballer of all time, is going to retire from international football! O... |
Shortest Path, Yet Again? Mr O is teaching Algorithms 101 to his students. The class just finished learning BFS and now he wan... |
Ice-Cream of Montu Mia Again! Montu Mia is a student of “Omok School”. He likes to eat an ice-cream every day. But he also likes t... |
Next Permutation A sequence of $N$ distinct integers is called a permutation if all the integers are between $1$ and ... |
Robi Kaka's Cube Our beloved Robi Kaka has invented a cube. You have to solve only one side of this cube – a square o... |
Jealous Nobita Shizuka and Dekisugi are playing with a binary tree rooted at 1. In each turn, the player chooses a ... |
Revisiting Metro Rail Blocks The city of Dhaka is experiencing the construction of metro rails. Imagine one such metro rail spans... |
Tricky Racer Talent Bob is a galaxy wide known legend and a racer (in game :P). He always wins races by his trick... |
President of RUET FC Zenitsu has been elected as the president of RUET FC and now he wants to sign some of the best world... |
Think Inside the Box Babu Bhai is a student of AUST. He has some favorite numbers. His favorite numbers are those number ... |
ACT 1: Ash Counting Trees Ash Ketchum has a weird rooted tree (read Notes sections if you don't know about tree data structure... |
Compressed String You are given a string $S$ consisting of lowercase latin letters '$a$' & '$b$' only. Your task is to... |
String Is Not That Easy Let's consider a string S which is obtained by concatenating the non-negative integers from 0 to 102... |
Hououin Kyouma! Okabe Rintarou, the mad scientist is doing research to find the most desired Steins Gate. Besides be... |
Shuvo Noboborsho! "Shuvo Noboborsho" is the traditional greeting for Bengalis in the Bengali new year which means "Hap... |
Judging Troubles The NWERC organisers have decided that they want toimprove the automatic grading of the submissions ... |
Cheers !! Isabella is from the 19 series of RUET. She loves programming. Also, She considers a number lucky fo... |
Final Over This is ICC World Cup Final and the match is between Bangladesh and Australia. The match goes down t... |
Help Sakib! Sakib likes competitive programming. Often he takes part in online programming contests. But due to ... |
Jontrona! Isfan vai is on high demand nowadays. You know why, right? However, his best friend is somewhat disa... |
Who Gets the Money!? Who doesn’t get happy after getting money in the pockets of clothes before washing them? During this... |
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
