Problems
Powerful Number Efa loves numbers. She thinks a number is powerful if it can be expressed in the form xy where x and... |
Sofdor Ali's Restaurant One of Sofdor Ali’s greatest accomplishment was his Biriyani restaurant! Unlike the traditional rest... |
Mario and Princess Peach The world of Mario can be imagined as 2D grid of $N$ rows and $M$ columns--containing a total of $N ... |
Hasinur Is Giving Treat Hasinur wants to give treat. Why? Because, he's been going out with someone new. But Hasinur doesn't... |
Who Is the Champion? The ICPC traces its roots to 1970 when the first competition was hosted by pioneers of the Alpha Cha... |
The Hidden Island It is believed that the hidden island of TreasureLand has many unsolved mysteries and undiscovered t... |
Reconstruction of Durbar Bangla KUET has a liberation war sculpture. The name of the sculpture is Durbar Bangla. This is the heart o... 
Moderate
79/92/151 |
Help Chokro Pias and Chokro are good friends. Pias's birthday is coming soon. So, Chokro wants to gift Pias an a... |
Bus Ride in Summer, Hot as Hell A bus goes from place A to B and returns from B to A. Now there are N stops in its route. INi people... |
Shiku Gets Lucky One day while playing, Shiku found a sequence of lowercase English letters. Shiku thought it might b... |
Prime Spiral You have to make a 2-D spiral square $N \times N$ grid with prime numbers. Sounds complicated? Well,... |
Itsy's Magic Cards Itsy needs your help with her magic cards. Her magic cards grant her special spider-witch powers. Un... |
Count the Chaos Imagine, you have an array of integers of size N. At each index of this array is a unique integer fr... |
Maximum Among Divisors Alice is thrilled about participating in the “Take-off Programming Contest Spring 2023”, but she rea... |
Multiverse Of Courier Service Dr. Strange finally discovered a safe way to travel between parallel universes. By noticing people’s... |
Subarray Sum You are given an array having N integers. You have to select at most K positions in the array and re... |
Prime Factors Given an integer N, can you determine its prime factors? |
String Factory Welcome to the string factory where strings are generated in a peculiar manner. You are given a stri... |
Maximum Direction in a Matrix The Great Researcher Mr. Bari will give you some chocolates from Singapore if you can solve the foll... |
The Best Gift Ever In the world of computing, giving gifts like arrays are completely acceptable. Instead of exchanging... |
Another Query on String You are given a string S (of length n) consisting of alphabets only. You need to perform m queries o... |
Problem Number Nine and Three Quarter Harry is going to start his school at Hogwarts this year. In order to reach Hogwarts, he needs to ca... |
Jenia's Homework Jenia is a very talented girl. She got homework from school. She is such a nerd who cries if she can... |
Fantastic Food As we all know that Alice and Bob just landed in Fantastic World and are going to stay for the next ... |
Chor Tintin Tikri A new land, what we call “chor”, has emerged. Local people have already given it a name “Chor Tintin... |
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
