Ransom Note
Difficulty: EasyTopic: Hash TableStringCountingLeetcode:383.Ransom NoteGiven two strings ransomNote and magazine, return true if ransomNote can be constructed by using the letters 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 <= 105ransomNoteandmagazineconsist of lowercase English letters.
Solution
write solution in here
/**
* @param {string} ransomNote
* @param {string} magazine
* @return {boolean}
*/
var canConstruct = function (ransomNote, magazine) {
const ra = ransomNote.split(''),
ma = magazine.split('')
while (ra.length) {
const curIndex = ma.indexOf(ra.pop())
if (curIndex === -1) return false
ma.splice(curIndex, 1)
}
return true
};