383. Ransom Note LeetCode Solution | Easy Approach

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Ransom Note Given two strings ransomNote and magazine, return true if ransomNote can be constructed from magazine and false otherwise.

Each letter in magazine can only be used once in ransomNote.

Example 1:

Input: ransomNote = "a", magazine = "b"
Output: false

Example 2:

Input: ransomNote = "aa", magazine = "ab"
Output: false

Example 3:

Input: ransomNote = "aa", magazine = "aab"
Output: true

Constraints:

  • 1 <= ransomNote.length, magazine.length <= 105
  • ransomNote and magazine consist of lowercase English letters.

Ransom Note Solutions

Time: O(n)
Space: O(n)

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