Problems
Digits of Pi Let’s talk about one fascinating fact about circles. For that, let’s perform the following experimen... |
Old Wives' Game Kadambari wants to test the brains of the new bride Mrinalini. So she proposed the infamous Old Wive... |
GPU-Business You are a businessman who is fond of Vinia GPU. You buy Vinia GPUs from Byteland and sell them to Bi... |
Ator Ali's Income Ator Ali loves to make money. He does not care whether his source of income is good or evil. As his ... |
Invite the Heroes There are n cities numbered from 1 to n in a country. Two consecutive cities are connected by a bidi... |
Shelly's Adventure Shelly and her friends have set out on an adventure and have come across an island. The island has a... |
Stuck at Home After researching the Coronavirus researcher come up with a solution to tackle all kinds of mutation... |
Prefix and Suffix Initially, you are given an empty array A. You have to perform the following queries. 1 P - Add an i... |
Counting Matrices Given a natural number N and a prime p, let’s define a special set Zp={0,1,2,…,p−1}. Now count the ... |
Harry and Hermione - 1 [1 and 2 are completely different problems. Consider reading both.] Harry and Hermione are in a figh... |
How Do You Make a Problem? I am very busy these days. So when I was told, I have to create a problem for the contest, I was sli... |
Is Peter Guilty? You know Spider-Man was arrested on Mysterio’s murder case. Though everyone loves Spider-Man includi... |
Yet Another Strong Problem You are given a string str consisting of characters 0 and/or 1 with an arbitrary integer n. Without ... |
Help IKRI Ikri has a binary string s of length n. (each character of s is either 0 or 1) The weight of the bin... |
Marbles Per Second You have a rooted tree of n nodes. If we traverse the tree from the root, let’s say the traversing o... |
Star Faija loves to do art. She has a graph, which has n rows and m columns. She creates new art every da... |
Shine on You Crazy Diamond This problem is authored by one of our late friends, Sifat, who unexpectedly left us last year. He w... |
Colded LCM Chris Martin is challenged with another problem. This time our favorite violinist Lindsey Stirling a... |
Histogram Reordering You are given an array of integers H, representing the height of the bars of a histogram. The width ... |
Pass the Parcel There are n people in a room. They want to play a game called “pass the parcel”. The people are numb... |
Treasure There's a hidden treasure in a castle. There are n guards protecting the treasure. But the guards ar... |
Most Likely And Tashdid has a secret array of size n. For each index of the array, he will randomly choose an intege... |
Network Reach Shohurephone, the popular telecom company in Swapnodesh has received a lot of backlash over the last... |
Help Tanjiro Mojan kibutsuji is an evil demon who eats people and can turn people into demon. Tanjiro is a swords... |
Let's Permute The String Mr. Alex is one of the best programmer in your university. He is very interested in string. So, Mr. ... |
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
