Problems
Sasha, Misha & Their String Fight Sasha loves strings. She always performs various operations on strings. One day while working on a s... 
Moderate
75/105/180 |
Luckily Unlucky Jashim is a real lucky person. He buys lottery tickets a lot and wins most of them. He buys a bunch ...
Very Easy
65/66/87 |
Wakanda Forever We all know that Thanos has erased half of the population of the universe. Earth’s population was al... |
Nusrat's Treat We all know how much Nusrat loves chocolate! She gets a lot of chocolate from her friends and family... |
Master Plan Gakra Miah is a Wollywood movie lover. He watches movies almost everyday. He has watched so many mov... |
Very Easy Geometry In geometry, an isosceles triangle is a triangle that has two sides of equal length. Sometimes it is...
Moderate
92/100/234 |
Tree Queries You are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre... |
Another Query on String You are given a string S (of length n) consisting of alphabets only. You need to perform m queries o... |
N Factorial! I like short descriptions and I think you so too. Let's say you have a number, N. Now try to find th... |
Issue'r Desh People can be so hype-driven sometimes. One moment they are talking about something serious, an acci...
Moderate
130/162/423 |
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 |
Is It a Perfect Square? Given some numbers, can you tell, if the product of these numbers are a perfect square or not? A num... |
Maruo and the Sequence Maruo has a sequece A = {a1,a2,......an}. Let us define a function func(A,l,r) which is the minimum... |
Again LCS You are given two permutations of the numbers from 1-N called P1 and P2. You are also given two inte... |
Datta's Dilemma Datta, the famous sport programmer and gamer emerging from the southern part of Bangladesh is in dil... |
Nested Palindromes You will be given the length of a string N and the size of the character set allowed for the string ... |
LIAS 2 You will be given an array and an integer K. You have to find the longest increasing sub-sequence fr... |
Repeating Units A number is called repunit (Repeating Units) if the number is made of only 1’s, uch as 1,11 or 11111... |
Bangladesh Has Got Talent In music, there are 12 notes. In sequence, they are A, A#, B, C, C#, D, D#, E, F, F#, G, G# . Every ... |
Just Another Range Query This is another simple range query problem where you will perform some updates and answer some queri... |
Value Assignment Problem 2 You will be given a Tree and an array D. You will have to assign values in each node in the tree (sa... |
Pias and His Infinite String Pias makes a string P by choosing some distinct lowercase letters. Then he makes another string Q by... |
Set, Intersection and Range You are given N sets of integers (S[1] , S[2] , S[3] , ... , S[N]) and Q queries. Each query has 4 i... |
Itachi's Challenge Sasuke is a 12-year old ninja who is very much interested in learning Ninjutsu (A tactic used by nin... |
Pascal's Triangle Given an integer N, print the sum of the Nth row of the Pascal's triangle. In mathematics, Pascal's ... |
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
