[LeetCode] 1209. Remove All Adjacent Duplicates in String II 移除字符串中所有相邻的重复字符之二 You are given a stringsand an integerk, akduplicate removal consists of choosingkadjacent and equal letters fromsand removing
Given a strings, akduplicate removalconsists of choosingkadjacent and equal letters fromsand removing them causing the left and the right side of the deleted substring to concatenate together. We repeatedly makekduplicate removals onsuntil we no longer can. Return the final string after all such d...
firstNotZero ++; num = num.substring(firstNotZero); } else{ int startIndex = 0; while(startIndex < num.length() - 1 && num.charAt(startIndex) <= num.charAt(startIndex + 1)) startIndex ++; num = num.substring(0, startIndex) + num.substring(startIndex + 1); } } } } 1. 2...
String t= cur.substring(0, i) + cur.substring(i+1, cur.length());if(!set.contains(t)) { set.add(t); q.add(t); } } }returnres; }publicbooleanisValid(String s) {intcount = 0;for(charc: s.toCharArray()) {if(c == '(') count++;elseif(c == ')'){ count--;if(count...
https://leetcode.com/discuss/81478/easy-short-concise-and-fast-java-dfs-3-ms-solution Anyway, Good luck, Richardo! My code: publicclassSolution{publicList<String>removeInvalidParentheses(Strings){List<String>ret=newArrayList<String>();if(s==null||s.length()==0){ret.add(s);returnret;}hel...
原题链接在这里:https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii/ 题目: Given a strings, akduplicate removalconsists of choosingkadjacent and equal letters fromsand removing them causing the left and the right side of the deleted substring to concatenate together. ...
remove(s.substring(0, j) + s.substring(j +1, s.length()), ans, i, j, par); return; } String reversed =newStringBuilder(s).reverse().toString(); if(par[0] =='(')// finished left to right remove(reversed, ans,0,0,newchar[]{')','('}); ...
*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 removing them causing the left and the right side of the deleted substring to concatenate together....
[LeetCode] 402. Remove K Digits Java 题目: Given a non-negative integernumrepresented as a string, removekdigits from the number so that the new number is the smallest possible. Note: The length ofnumis less than 10002 and will be ≥k....
Remove All Adjacent Duplicates in String II (M) 题目 Given a strings, akduplicate removalconsists of choosingkadjacent and equal letters fromsand removing them causing the left and the right side of the deleted substring to concatenate together. ...