Problems from CodeSpark 2021
A.
Easy Prediction Alice and Bob have an array a of n integers. They decide to play a game with the array. In one move,... |
B.
Rectangle or Not Let’s imagine a quadrant lies on a 2D coordinate system’s first quadrant. you will be given the coor... |
C.
Find Score In a programming contest, a participant’s position is determined by 2 things. His score, s, and his ... |
D.
Srikant VS Terrorists Srikant is an agent in an Intelligence agency. He is now heading a secret mission against a group of... |
E.
Personality Traits We live in a society where personality is a distant memory. Nowadays personality is represented by s... |
F.
Camila and Books Camila is a multi talented girl and she is always curious about learning something new. She loves to... |
G.
Singing Game Rifat and Shishir have decided to play a game. Rifat will sing a song which is a string of lowercase... |
H.
Choice Is Yours For not participating on contests regularly, Hasnaine (read Has9) has decided to kill Santo. But nob... |
I.
Fight Fight Fight We all know, Argentina and Brazil supporters cannot stand each other. An organization decided to arr... |
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
