LeetCode 921. Minimum Add to Make Parentheses Valid Given a string S of '(' and ')' parentheses, we add the minimum number of parentheses ( '(' or ')', and in any positions ) so that the resulting parenthese...
package LeetCode_1647 import java.util.* import kotlin.collections.HashMap /** * 1647. Minimum Deletions to Make Character Frequencies Unique * https://leetcode.com/problems/minimum-deletions-to-make-character-frequencies-unique/ * * A string s is called good if there are no two different ...