We have a magazine and a RansomNote draft and we want to know if we can create that RansomNote using the letters we have in the magazine. This can be solved in many ways. I'll do a standard hashmap solution first and later will show a solution which beats 95% of other peoples solutions; speed wise.
00:00 - Ransom Note using hashmaps interview questions
00:50 - Why hash maps
03:26 - Understanding the question and proposing the answer
06:33 - writing the solution
09:43 - Proposing a faster solution using `set` and `count`
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