Problems from National Girls' Programming Contest 2021
These problems are from a contest organized by Bangladesh Open Source Network on See details...
Standings
A.
Old Wives' Game Kadambari wants to test the brains of the new bride Mrinalini. So she proposed the infamous Old Wive... |
B.
Once Upon a Time in Dhaka Dhaka is one of the mega cities of Bangladesh. At different times, Dhaka was entitled differently by... |
C.
Odd Query A subsequence is a sequence that can be derived from the given sequence by deleting zero or more ele... |
D.
Give Me My Vector I am in a hurry. I have n 2D vectors. And I have created all possible subsets of these n vectors. Fo... |
E.
XOR-Gun YouKn0wWho has an integer sequence a1,a2,…,an. He will perform the following operation until the ... |
F.
Matrix Resurrection We have a two-dimensional matrix consisting of N rows and M columns. The rows are numbered from 1 to... |
G.
Lucky Number Seven People often consider the number 7 as lucky. “But why?” - you might ask. Well, consider the fact tha... |
H.
Help Dr. Wu Dr. Wu is going to organize a competition. He has decided to judge the participants using an automat... |
I.
Trina Loves Mangoes Trina loves mangoes. And she is a valuable member of the famous Mango Eaters Community. This communi... |
J.
Permutation Query An array of integers p1,p2,....,pn is called a permutation if it contains each number from 1 to n... |
K.
Perhaps Strings Are Inevitable Strings are inevitable in life. They give meaning to our expressions. Strings come in life in many w... |
L.
Puzzle of 1's and 0's There is a rectangular puzzle board containing N×Mnumber of places. Each place contains a number: ei... |
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
