Adhoc Problems
Strong Passwords Mitu had been using the password mitu1997qt on all her online accounts. And sure enough, her account... |
Clock Fantasy One day the author imagined an analog clock with minute and hour arms. The thought was simple: if we... |
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... |
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... |
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 ... |
Locality-Sensitive Hashing I According to Wikipedia, Locality-Sensitive hashing (LSH) is an algorithmic technique that hashes sim... |
Revisiting Metro Rail Blocks The city of Dhaka is experiencing the construction of metro rails. Imagine one such metro rail spans... |
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... |
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... |
Jealous Nobita Shizuka and Dekisugi are playing with a binary tree rooted at 1. In each turn, the player chooses a ... |
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... |
Who Gets the Money!? Who doesn’t get happy after getting money in the pockets of clothes before washing them? During this... |
The Game Is Finally On As Mr. Bean was playing a video game in the previous problem, now he is leveled up. At this level, h... |
Groby In the 1970-80s, students in the Soviet Union had to face quite a hurdle. The administrators of sele... |
Jumbled Communication Your best friend Adam has recently bought a Raspberry Pi and some equipment, including a wireless te... |
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
