Problems from Criterion 2020 Round 4
A.
Dabbu the Entrepreneur Dabbu is back from Cox’s Bazar with an obsession with Coconut. Nowadays he is so obsessed with cocon... |
B.
Revisiting Metro Rail Blocks The city of Dhaka is experiencing the construction of metro rails. Imagine one such metro rail spans... |
C.
Naming Convention Tony works in a multinational technology company named Voogle LLC. The employees of Voogle follow ce... |
D.
Maximum Meetings I am the boss of my company. I have n employees. The office time of my company starts at 1. Every em... |
E.
Story of Totient Function Euler's totient function counts the number of positive integers up to a given integer N that are rel... |
Practice Contest
Practice contests allow you to re-run contests and experience them as close as possible to the original run.
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
