Problems
Cash Change You have an unlimited number of cash notes of the following denominations: 1, 5, 10, 50, 100, 500. G... |
Prime Factors Given an integer N, can you determine its prime factors? |
Tricky Ratio Given the radius (r) of a circle you have to calculate the ratio between the circumference (C) of th... |
Grid'y Rotations Consider an M×N grid of numbers and then a series of (r,c) pairs. Each (r,c) pair corresponds to a p... |
Best Place to Arrange Contest We are going to arrange the 7th CPU CSE programming contest in our department. But to arrange a cont... |
Equal Distribution Subhashis and Bipro participated in many onsite programming contests during their varsity life. From... |
Beautiful or Not? Rakib & Raghib are two friends. One day Rakib gave an array of numbers to Raghib and told him to mak... |
Robot There were many robots in a robotics lab. Some robots had very high IQ (IQ means task performance). ... |
Let's Permute The String Mr. Alex is one of the best programmer in your university. He is very interested in string. So, Mr. ... |
Prochur Chhuti Lagbe (প্রচুর ছুটি লাগবে) Nibir is currently working as a software engineer. He has been continuously working for the past few... |
Help Tanjiro Mojan kibutsuji is an evil demon who eats people and can turn people into demon. Tanjiro is a swords... |
Network Reach Shohurephone, the popular telecom company in Swapnodesh has received a lot of backlash over the last... |
Most Likely And Tashdid has a secret array of size n. For each index of the array, he will randomly choose an intege... |
Histogram Reordering You are given an array of integers H, representing the height of the bars of a histogram. The width ... |
MEX Dividend We define MEX Dividend of an array as the smallest positive integer not present in the array which i... |
Special Keyboard Herok, the fastest typist in the world, has a special keyboard. The keyboard only has n different ke... |
Average Query You are given an array s1,s2,…,sn of length n and an arbitrary integer x. For an array, c1,c2,…... |
SUM Equals LCM Given N, print a sequence of N positive integers A1,A2,…,AN that satisfy the following conditions... |
Good Array An integer array is a good array if we can make the whole array empty by applying the following oper... |
Broken Wall Alice has built a rectangular wall of N×M squares. The wall is made entirely of rectangular black an... |
Yet Another Strong Problem You are given a string str consisting of characters 0 and/or 1 with an arbitrary integer n. Without ... |
Mathemagic You are given a sequence a of length n. For an arbitrary number x, f(x) can be defined as the number... |
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... |
Substring Search You are given n strings s1,s2,s3,…,sn and should process m queries. Each query is described by f... |
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
