890. 查找和替换模式

Posted 2020-12-30 stono

890. 查找和替换模式

https://leetcode-cn.com/contest/weekly-contest-98/problems/find-and-replace-pattern/

package com.test;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

//https://leetcode-cn.com/contest/weekly-contest-98/problems/find-and-replace-pattern/
//890. 查找和替换模式
public class Lesson890 {
    public static void main(String[] args) {
        String[] words = {"abc","deq","mee","aqq","dkd","ccc"};
        String pattern = "abb";
        List<String> res = findAndReplacePattern(words, pattern);
        System.out.println(res);
    }
    public static List<String> findAndReplacePattern(String[] words, String pattern) {
        List<String> list = new ArrayList<>(8);
        String ptn = getPattern(pattern);
        System.out.println(ptn);
        for(int i=0;i<words.length;i++) {
            String word = words[i];
            String pattern1 = getPattern(word);
            if (ptn.equals(pattern1)) {
                list.add(word);
            }
        }
        return list;
    }

    private static String getPattern(String pattern) {
        String ptn = "";
        Map<String, Integer> map = new HashMap<>(32);
        for(int i=0;i<pattern.length();i++) {
            String substring = pattern.substring(i, i + 1);
            Integer integer = map.get(substring);
            if (integer == null) {
                int size = map.size();
                map.put(substring, size + 1);
            }
            Integer integer_2 = map.get(substring);
            ptn = ptn+integer_2;
        }
        return ptn;
    }
}