Graph Theory Problems
Bad XOR 2 (Hard) So after successfully becoming many people's nightmare, XOR has struck again, this time to haunt you... |
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... |
Kingdom - Great Roads of Destiny Shin wants to be the “Great General of the Heaven”. It is his dream. But becoming a “Great General o... |
Flow on Tree Mr. Kaboom has recently learned about maximum flow. Now his friend Mr. Taboom gave him this problem.... |
Zer VS EEE Zer is a programmer who has a friend named Nir. Nir always shows off how great EEE is. One day Nir c... |
Milad's Lost Tree Milad likes trees so much. He has a rooted tree with $n$ vertices each of which has some non-negativ... |
Ada in Dreamland Ada is wondering in her dreamland. Her dreamland consists of n spots. She has this weird machine wit... |
Elementary Math Ellen is teaching elementary math to her students and the time for the final exam has come. The exam... |
MonoMono You have probably heard of the famous board game, Monopoly. According to Wikipedia, in this game, pl... |
The Selection SUST has n departments numbered from 1 to n where every pair of distinct departments is connected by... |
Preparing for War There were N cities in England. Each contained a warrior with skillset equal to X. All the cities we... |
Unfair Robot Race Two teams of robots, Team A and Team B, are racing in a 2D grid. There will be a total of 6 rounds. ... |
Playing On A Directed Graph You are given a directed graph consisting of n vertices and m edges (each edge is directed, so it ca... |
Memes vs. Social Media In this era of modern technology social media is the most powerful weapon and the viral issue is the... |
Stephen, Bob, and Tomato's Canvas If Stephen Hawking was right, then there is a universe where Bob Ross is a student of Tomato Yoshi. ... |
Poltu and Graph Poltu has got a graph with N nodes and M edges. Every edge has a weight. There can be multiple edges... |
Plant Trees, Save Life There are n students in a school. Some of them are friends with each other. You want to make the sch... |
Explosion There is a house named Larcana. It is a very weird house. There are exactly N rooms in total and bet... |
Seven Kingdoms! The dragon queen just conquered the Seven Kingdoms. Initially there are N cities in "Seven Kingdoms"... |
Zoba the Misleader Zoba has 3 strings, named S1, S2 and S3. He wanted to make a tough problem for Mihaf with these s... |
The Archipelago of Mirpur The archipelago of Mirpur consists of N islands. The famous architect PogPog was hired to connect al... |
Scarlet Speedster The scarlet speedster of Central City, popularly known as the Flash is fighting an epic battle again... |
Rik, the Space Traveler Mr. Rik is a famous space traveler. He lives in a galaxy named Victa. There are many planets in this... |
Fortis Fortuna Adiuvat Your very close friend, John, also known as the Baba Yaga, is often on various missions to complete ... |
Gujob You probably heard the name of 'Kababdesh', where people are very fond of kababs. Everyone live ther... |
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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
