Problems from 4th PSTU Independence Day IT Carnival 2019
A.
Level 1 Crook You are given a permutation of size n. In one step, you can chose any number of pairs of index and ... |
B.
War and Peace In the 5th world war, all the countries in the world were in war against each other. After the WWV e... |
C.
Mission Hexa Function f(x) returns a binary number started with 1 followed by x trailing zeros. For example: f(2)... |
D.
Digita And Numbers Digita got a new task with two numbers A and B .She has to make two numbers N and M so that the diff... |
E.
Minimum Distance A tree is an undirected connected graph, not containing cycles. The degree of node x in the tree is ... |
F.
Stretching Hands Once upon a time, an elderly man and an elderly woman lived. One day, the elderly man went to a moun... |
G.
True Heir of Iron Throne Queen Daenerys Stormborn of the House Targaryen, the First of Her Name, Queen of the Andals, the Rho... 
Moderate
1/1/17 |
H.
Paris Road On a shiny day of summer, Hekmot was sitting idle in paris road. Suddenly he noticed Selim , a frien...
Moderate
1/1/1 |
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
