Problems
Find the S After getting rejected by his crush for 7th time, Rakib decided to leave all these silly worldly thi... |
Find The Hidden Sequence There exists a N×N board with each cell containing an integer.The rows are numbered 1 to N from top ... 
Moderate
5/6/8 |
Weird Graph Anik got a directed acyclic graph with some weird properties. For Every node v of that graph in(v)≤1... |
Group_Of_Extraordinary_People of ZUKIA I am sure all of you are familiar with a specific group of people. For your own safety and so that t...
Moderate
5/6/65 |
All the Cuts In a two dimensional plane, there are “R” red points, “B” blue points and “G” green points. These po...
Moderate
4/4/9 |
A Unique Array An array is called "unique" if it has no consecutive element with same value(A[i] != A[i-1]). Given ... |
Explosion There is a house named Larcana. It is a very weird house. There are exactly N rooms in total and bet... |
Bracket Sequence You are given an N-dimensional array A. Each cell of this array contains either an opening bracket o...
Moderate
3/3/5 |
Is It Perfect Bob has an initial array D of length n . Alice is a good friend of Bob. So Bob challenges Alice to f... |
Towers of Wadia Admiral General Aladin has n watchtowers on a desert of People's Republic of Wadia. One of those wat...
Moderate
5/6/24 |
A Problem for String Lovers Razin loves strings so much that his parents decided to buy him n strings for his birthday. But in t...
Easy
184/198/312 |
Set Union Given two sets of integers, print the set containing the union of the two input sets. For example, g... |
Caesar Cipher Byang wants to write a secret message to his friend. He has recently discovered Caesar Cipher. Caesa... |
Little Subarray Sum Given an array of N numbers and two indices, determine the sum of the numbers in the array between (... |
ASCII Progress Bar In this problem, you need to write a code that prints an ASCII progress bar. In each test case, you ... |
Delete the Array There is an array of size n. You will be given an integer x. In each move you have to subtract x or ... |
Civil War The fight for the best superhero (superman vs batman) in the universal is going to finally come to a...
Moderate
23/37/69 |
Dracarys Daenerys Targaryen is riding her dragon in a fight against the White Walkers and Wights. There are N...
Moderate
87/115/277 |
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 |
B-Number Bruce Lee has recently become the sensei (Master) of the very institute which taught him everything....
Very Easy
281/281/330 |
Protect the Dark Lord The time has finally come for the last battle between The HERO and The DARK LORD!!! But sadly in thi... |
Task Tracker There will be a list of events and each event will contain a number of tasks. Each event will have a...
Moderate
9/16/74 |
Hello From Linear Algebra Techboy has m equations with n unknowns like below – ai1 x1+ ai2 x2+⋯⋯⋯⋯⋯+ ain xn= di , where 1≤i≤m ...
Moderate
6/10/36 |
Krin's Dilemma Kirin has provided Office his leave plan for the next N days. Leave plan is in the form of a string ...
Moderate
5/15/37 |
Ross at a Loss You might have seen Internet's greatest meme (later turned into a template) - Loss (The image on the...
Moderate
33/40/98 |
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
