Problems
You Are Programmer, You Have No Valentine! One morning, Rose woke up early, and her husband, Alice, asked what was the matter. She told him, "I... |
Who Win the Game!! Two friends, Alice and Bob are participating in a car race. The length of the race track is 1000km. ... |
Practice Time As you know many IUPC's are knocking at the door and Jak realized he should do more practice of solv... 
Very Hard
83/87/150 |
European Rover Challenge! The European Rover Challenge (ERC) Space and Robotics Event is a prestigious space-robotics event co... |
Taofiq the House Prefect Tomorrow is a very special day for Taofiq. He is participating in an intra school quiz contest. As h... |
Yet Another XOR Problem You are given an integer array a of size n. You need to select an integer K(0≤K<231) and perform the... |
The Power Puff Girls! You all have heard of the power puff girls. Or maybe you are the next new generation and I am gettin... |
Wavio Palindrome Palindrome is a string which reads the same from both right to left and left to right. Formally, a s... |
Hashing Shreas has created a new revolutionary hashing function that calculates hash values of graphs. For a... |
A World Cup Hero's New Challenge Lionel Messi, the celebrated hero of the Argentinian national football team, experienced the thrill ... |
A Wonderful Match Arpa is very excited about the high-voltage match between England and Pakistan tomorrow. But she wil... |
Subsegment Search Galib is the best algorithmist in Bangladesh right now! He challenged Faysal who is also an algorith... |
Console Now it is time for Intra Aust Programming Contest Fall 2020! Aust CSE 40th Batch is organizing the c... |
Same Parity Split A tree is a connected graph without a cycle. Given an undirected tree with n nodes labeled from 1 to... |
The Foolish Hunter Abul the hunter goes to X number of places to hunt animals every day. In every place, there are Ynum... |
Pias and His Infinite String Pias makes a string P by choosing some distinct lowercase letters. Then he makes another string Q by... |
Chemical Reaction II The simulation of chemical reactions are always complex. Professor X has devoted himself to studying... |
Fibonacci Word Failure Function Sum The following is based on true events: One day Nabila decided that she wants to learn algorithms on ... |
404 Setter Not Found! 😲 Given a 2D 4-connected grid. Each cell contains a value and an identifier. Values can be propagated ... |
Printing Binary Tree Everybody knows about binary tree, a binary tree is a tree data structure in which each node has at ... |
Man in the Queue You are in charge of Khakha Bank Bashundhara Branch. Your branch has only one desk to serve the cust... |
LIAS 2 You will be given an array and an integer K. You have to find the longest increasing sub-sequence fr... |
Patterns of Coffee Type Research (or thesis) is a time-consuming task. One can not define research as a straight line from w...
Very Hard
38/43/107 |
Christmas Gifts It's Christmas time! It's the time when Santa brings gift for the children. This year Santa has $K$ ... |
Hablu's Team This year Hablu wants to participate in ICPC. He studies in “Habagoba University” along with $n$ oth... |
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
