AlgoNinjutsu
  • Difficulty
    • Easy
    • Medium
    • Hard
  • Categories
    • Arrays
    • Strings
    • Linked Lists
    • Hashmaps
    • Hashsets
    • Graphs
    • Tries
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    • DP
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    • DFS
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5 Questions




Happy Number

easy

math


hashsets

Single Number II

medium

hashmaps


hashsets

Isomorphic Strings

easy

strings

aabb123



hashsets

Unique Email Addresses

easy

strings

aabb123



hashsets

Longest Consecutive Sequence

hard

arrays


hashsets








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