classSolution{public:stringremoveDuplicates(string s,intk){ string res; vector<pair<int,char>> st{{0,'#'}};for(charc : s) {if(st.back().second != c) { st.push_back({1, c}); }elseif(++st.back().first == k) { st.pop_back(); } }for(auto&a : st) { res.append(a....
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...
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. ...
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 object’sequals()method. Finally, collect all district elements asListusingCollectors.toList(). ArrayL...
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” ...
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-...
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";//...
Finding a duplicate lines from a file is not a hard problem. But sometime in an interview question, folks sometimes get very confused about the method
printf("string after removing all duplicates:"); printf("%s",s); return0; } Output: 1 2 Enterthestring:helloworld stringafterremovingallduplicates:helowrd Using Function The main() calls the findduplicate(char *s) to find the repeated characters in the string. ...
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...