We repeatedly makekduplicate removals onsuntil we no longer can. Return the final string after all such duplicate removals have been made. It is guaranteed that the answer is unique. Example 1: Input:s ="abcd", k =2Output:"abcd"Explanation:There's nothing to delete. Example 2: Input: s...
packageLeetCode_1209importjava.util.*/*** 1209. Remove All Adjacent Duplicates in String II *https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii/description/* * Given a string s, a k duplicate removal consists of choosing k adjacent and equal letters from s and removi...
Few simple examples to find and count the duplicates in aStreamand remove those duplicates sinceJava 8. We will useArrayListto provide aStreamof elements including duplicates. 1. Stream.distinct() – To Remove Duplicates 1.1. Remove Duplicate Strings Thedistinct()method returns aStreamconsisting of...
Note that this method modifies the elements in the original list, and does not create a new list. 2. UsingStream.distinct()to Remove Duplicate Elements and Get a New List We can use the Java 8Stream.distinct()method which returns a stream consisting of the distinct elements compared by the...
Return the final string after all such duplicate removals have been made. It is guaranteed the answer is unique. Example 1: Input:"abbaca"Output:"ca"Explanation:For example, in "abbaca" we could remove "bb" since the letters are adjacent and equal, and this is the only possible move. ...
public String toString() { return String.format("Data[%d]", this.id); } } Output: Data List = [Data[10], Data[20], Data[10], Data[20]] Unique Data List = [Data[10], Data[20], Data[10], Data[20]] The distinct() method didn’t remove the duplicate elements. It’s because...
Java Code: // Import Scanner class from java.util package for user inputimportjava.util.*;// Main class for the solutionpublicclassMain{// Main method to execute the solutionpublicstaticvoidmain(String[]args){// Sample input string for testing duplicate letter removalStringstr="zxywooxz";//...
java: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 classSolution{publicStringremoveDuplicateLetters(String s){StringBuilder sb=newStringBuilder();int[]count=newint[26];boolean[]used=newboolean[26];char[]chs=s.toCharArray();for(char c:chs){count[c-'a']++;}for(char c:chs){count[c-...
Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure your result is the smallest in lexicographical order among all possible results. Example: Given “bcabc” ...
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