𝗔𝗿𝗿𝗮𝘆- 𝗤𝟲 𝗠𝗮𝘅𝗶𝗺𝘂𝗺 𝗦𝗰𝗼𝗿𝗲 𝗪𝗼𝗿𝗱𝘀 𝗙𝗼𝗿𝗺𝗲𝗱 𝗯𝘆 𝗟𝗲𝘁𝘁𝗲𝗿𝘀

class Solution {
public int maxScoreWords(String[] words, char[] letters, int[] score) {
int[] available = new int[26];
for (char c : letters) {
available[c – ‘a’]++;
}
int n = words.length;
int[] wordScores = new int[n];
int[][] wordCounts = new int[n][26];
for (int i = 0; i < n; i++) {
int wordScore = 0;
for (char ch : words[i].toCharArray()) {
wordCounts[i][ch – ‘a’]++;
wordScore += score[ch – ‘a’];
}
wordScores[i] = wordScore;
}
int maxScore = 0;
for (int mask = 0; mask < (1 << n); mask++) {
int[] totalAvailable = available.clone();
int currentScore = 0;
boolean valid = true;
for (int i = 0; i < n; i++) {
if ((mask & (1 << i)) != 0) {
for (int j = 0; j < 26; j++) {
totalAvailable[j] -= wordCounts[i][j];
currentScore += wordCounts[i][j] * score[j];
}
}
}
for (int count : totalAvailable) {
if (count < 0) {
valid = false;
break;
}
}
if (valid) {
maxScore = Math.max(maxScore, currentScore);
}
}
return maxScore;
}
}