Set and Dictionary

Contents

Hashmap Basics
15 items
Dictionary
Empty map
Build a map I
Build a map II
Build a map III
Key in Dictionary
Key count of a Dictionary
Value count of a Dictionary
Return value of a dictionary
Key exists?
Sorted keys
Dictionary Quiz
Sorted values
Sum of values
Hashmap
Set usages
10 items
Set
Unique character count
Unique characters
How many Bonjwas?
Missing number
Keyboard row
Is Subset?
Stash and valuables
Can form Alphabet
Sets in Programming
Counter
15 items
Including External Code in Programming
Can be balanced paranthesis
Counter
Count of characters
Most frequent character
Duplicate count
Is Anagram
Number of pairs
Can form Palindrome
Counter Quiz
Find All Anagrams in a String
Word Frequency
Ransom Note
Find the Difference
Including External Code
Other problems
3 items
Target Sum I
Target Sum II
Target Sum III