leetcode 383. Ransom Note

题目描述

代码 

class Solution {
public:bool canConstruct(string ransomNote, string magazine) {vector<int> table(26,0);for(char ch : magazine){table[ch-'a']++;}for(char ch : ransomNote){table[ch-'a']--;if(table[ch-'a'] < 0)return false;}return true;}
};