Solve problems with JavaScript
Practicing is boring, but will come the feelingLatest posts with tag "hash table"
LeetCode: Permutation in String
Notice the constraints
LeetCode: Relative Ranks
Sometimes, LeetCode difficulty is not reliable
LeetCode: Keyboard Row
Duck-typing make this problem less hard to implement
LeetCode: Intersection of Two Arrays
Set intersection
LeetCode: Majority Element
Boyer-Moore Voting Algorithm
LeetCode: Third Maximum Number
Sort unique numbers
LeetCode: Find All Numbers Disappeared in an Array
Hash table to check existing
LeetCode: Check If N and Its Double Exist
Compare with the iterated elements
LeetCode: Reduce Array Size to The Half
Hash table, sort by occurences then greedily remove
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