Problems from ProgKriya Aug'15
A.
Passwords Alice wants to extract some passwords from a random string. A password can have any number of charac... |
B1.
Act of Random Kindness (Easy) Sammy and Meera liked adventures a lot. Once in a while they used to set out for adventures. This ti... |
B2.
Act of Random Kindness (Hard) Sammy and Meera liked adventures a lot. Once in a while they used to set out adventures. This time t... |
C1.
Polygon Construction (Easy) Meera in going to picnic with her friends. They are going to have lots of fun. They will be doing va... 
Moderate
8/19/62 |
C2.
Polygon Construction (Hard) Meera in going to picnic with her friends. They are going to have lots of fun. They will be doing va... |
D1.
Bad XOR 2 (Easy) So after successfully becoming many people's nightmare, XOR has struck again, this time to haunt you... |
D2.
Bad XOR 2 (Hard) So after successfully becoming many people's nightmare, XOR has struck again, this time to haunt you... |
E1.
Mahmud vs Ridwan (Easy) Mahmud is playing a game with Ridwan. He (Mahmud) will be given N cartesian points by Ridwan. Mahmud... |
E2.
Mahmud vs. Ridwan (Hard) Mahmud is playing a game with Ridwan. Mahmud is given N cartesian points by Ridwan. Mahmud can conne... |
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
