力扣每日一题(2023-11-30)

力扣每日一题
题目:1657. 确定两个字符串是否接近

力扣每日一题(2023-11-30)_第1张图片
日期:2023-11-30
用时:21 m 07 s
时间:11ms
内存:43.70MB
代码:

class Solution {
    public boolean closeStrings(String word1, String word2) {
        if(word1.length()!=word2.length()){
            return false;
        }
        int[] arr1 = new int[26];
        int[] arr2 = new int[26];
        int mask1=0;
        int mask2=0;
        for(int i=0;i<word1.length();i++){
            arr1[word1.charAt(i)-'a']++;
            arr2[word2.charAt(i)-'a']++;
            mask1 |= 1<<(word1.charAt(i)-'a');
            mask2 |= 1<<(word2.charAt(i)-'a');
        }
        Arrays.sort(arr1);
        Arrays.sort(arr2);
        return Arrays.equals(arr1,arr2)&&mask1==mask2;
    }
}

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