Beginner
Easy Problems
58
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Ad-hoc
200
Brute Force
Implementation
Simulation
Data Structure
103
Binary Search Tree
Fenwick Tree
Linear Data Structure
Merge Sort Tree
Palindromic Tree
Prefix Tree
Segment Tree
Wavelet Tree
Divide and Conquer
163
Dynamic Programming
Greedy Algorithm
Matrix Exponentiation
Game Theory
13
Nim
Sprague–Grundy Theorem
Geometry
63
Graph Theory
101
2-Satisfiability
Flow Network
Graph Traversal
Lowest Common Ancestor
Minimum Spanning Tree
Shortest Path
Interactive
9
Mathematics
314
Bignum Arithmetic
Combinatorics
Fast Fourier Transform
Number Theory
Probability & Statistics
Search Algorithm
68
Binary Search
Ternary Search
String
40
Suffix Structure
Esoteric
Regular Expression
11
Translations
বাংলা
56
Other Problems
Internet Problem Solving Contest
4
Nordic Collegiate Programming Contest
2
Northwestern Europe Regional Contest
22
Browse All
1887 Problems
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
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