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Algorithm
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    • At Most To Equal
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    • Serialization And Deserialization
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  • Cpp
    • Array
    • Memset 3 F
    • Overflow
  • Data Structure
    • Binary Indexed Tree
    • Segment Tree And Binary Index Tree
    • Segment Tree
    • Stack
    • Trie
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  • Dynamic Programming
    • Knapsack
      • 0 1 Knapsack
      • Bounded Knapsack
      • Unbounded Knapsack
    • Bitmask Dp
    • Dp On Subsets
    • Dp On Tree
    • Dp With Sorting
    • Selective State Dp
    • Travelling Salesperson
  • Graph
    • Minimum Spanning Tree
      • Kruskal
      • Prim
    • Shortest Path
      • Bellman Ford
      • Dijkstra
      • Floyd Warshall
      • Johnson
      • Shortest Path Faster Algorithm
    • Bi Directional Breadth First Search
    • Bipartite
    • Breadth First Search
    • Component Coloring
    • Component Count
    • Depth First Search
    • Eulerian Path
    • Maximum Bipartite Matching
    • Tarjan
    • Topological Sort
    • Tree Diameter
    • Tree Ring Order Traversal
  • Greedy
    • Greedy Scheduling
    • Regret Greedy
  • Math
    • Catalan Number
    • Combinatorics
    • Factorial
    • Factorization
    • Fast Pow
    • Gcd
    • Geometry
    • Get Digits
    • Lcm
    • Median Minimizes Sum Of Absolute Deviations
    • Mode
    • Modular Multiplicative Inverse
    • Palindrome
    • Prime Number
    • Round Up
    • Sieve Of Eratosthenes
    • Stars And Bars
    • Sum Of Sequence
  • Miscellaneous
    • Bin Packing
    • Floyds Tortoise And Hare
    • Hungarian
    • Palindrome
  • Sort
    • Bubble Sort
    • Cycle Sort
    • Heap Sort
    • Merge Sort
    • Quick Sort
    • Sorting
  • Stl
    • Cpp Stl
    • Istringstream
    • Lower Bound Upper Bound
    • Priority Queue
  • String
    • Kmp
    • Manacher
    • Rabin Karp
    • String Processing
    • Z
  • Backtracking
  • Binary Answer
  • Binary Lifting
  • Binary Search
  • Bit Manipulation
  • Date
  • Difference Array
  • Discretization
  • Divide And Conquer
  • Gray Code
  • Great Problems For Practice
  • Interval Scheduling Maximization
  • Io Optimization
  • K Subset Partitioning
  • Line Sweep
  • Longest Common Subsequence
  • Longest Increasing Subsequence
  • Meet In The Middle
  • Minmax
  • Mono Deque
  • Monotonic Stack
  • Offline Query
  • P And Np
  • Prefix State Map
  • Prefix Sum
  • Random
  • Reservoir Sampling
  • Reverse Polish Notation
  • Sqrt Decomposition
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  1. Graph

Depth First Search

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Last updated 3 years ago

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Note that if a graph is acyclic, we don't need to keep a set of visited nodes to prevent going into a loop.

Example:

Problems

797. All Paths From Source to Target (Medium)
17. Letter Combinations of a Phone Number (Medium)
39. Combination Sum (Medium)
40. Combination Sum II (Medium)
77. Combinations (Medium)
212. Word Search II (Hard)
216. Combination Sum III (Medium)
797. All Paths From Source to Target (Medium)
1219. Path with Maximum Gold (Medium)
1601. Maximum Number of Achievable Transfer Requests (Hard)