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Java-based LeetCode algorithm problem solutions, regularly updated
package g0801_0900.s0843_guess_the_word;
// #Hard #Array #String #Math #Game_Theory #Interactive
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/*
* // This is the Master's API interface.
* // You should not implement it, or speculate about its implementation
* interface Master {
* public int guess(String word) {}
* }
*/
public class Solution {
interface Master {
int guess(String word);
}
private int next = 0;
public void findSecretWord(String[] wordlist, Master master) {
List list = Arrays.asList(wordlist);
Collections.shuffle(list);
boolean[] test = new boolean[wordlist.length];
while (true) {
int num = master.guess(list.get(next));
if (num == 6) {
break;
}
updateList(list, test, num);
}
}
private void updateList(List list, boolean[] test, int num) {
int index = next;
for (int i = index + 1; i < test.length; i++) {
if (test[i]) {
continue;
}
int samePart = getSame(list.get(index), list.get(i));
if (samePart != num) {
test[i] = true;
} else if (next == index) {
next = i;
}
}
}
private int getSame(String word1, String word2) {
int ret = 0;
for (int i = 0; i < 6; i++) {
if (word1.charAt(i) == word2.charAt(i)) {
ret++;
}
}
return ret;
}
}