An Obvious Interactive ProblemI pick a number. You guess it. You can guess at most 25 times. For every guess you make, I will tell...

A New Tough GameWe are introducing a new game in Toph. And, by participating in IUT ICT Fest 2019, you have become o...

Bulls, Cows, and DigitsLet's play a game. This game is a few centuries old. Nonetheless, it is a good one for an interactiv...

Admission GiftDuring admission exams in the city of RR (Royal Royal city), the students of RR University of Engine...

The Lone WolfJust like you, the Lone Wolf is a loner and amidst a row of soulmates at Dhanmondi Lake today, only ...

Hououin Kyouma!Okabe Rintarou, the mad scientist is doing research to find the most desired Steins Gate. Besides be...

Lost in Binary TreeYou have a rooted unweighted binary tree. But somehow you forgot which vertex was the root. Well, yo...

Find the ShipYou will be playing an interactive game in this problem. The game is played on a 7×77\times 77×7 squ...

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