JAVA_LeetCode 1160_Find Words That Can Be Formed by Characters

JAVA_LeetCode 1160_Find Words That Can Be Formed by Characters 풀이 class Solution { public int countCharacters(String[] words, String chars) { Map ch = new HashMap(); // 문자 개수만큼 실행 for (char c : chars.toCharArray()) { ch.put(c, 1 + ch.getOrDefault(c, 0)); } int res = 0; for (String word : words) { Map copy = new HashMap(ch); for (char c : word.toCharArray()) { if (copy.containsKey(c) && copy.get(c) != 0) { copy.put(c, copy.get(c) - 1); } else { res -= w...