1finalclassSolution {2func findReplaceString(_ S: String, _ indexes: [Int], _ sources: [String], _ targets: [String]) ->String {3vardict: [Int: (String, String)] =Dictionary(uniqueKeysWithValues: zip(indexes, zip(sources, targets)) )4varindexes = indexes.sorted(by: >)5varS =Array...
publiccharfindTheDifference(String s, String t){int[] arr =newint[26];for(inti=0; i<t.length(); i++) { arr[t.charAt(i)-'a']++; }for(intj=0; j<s.length(); j++) { arr[s.charAt(j)-'a']--; }for(intk=0; k<arr.length; k++) {if(arr[k] ==1) {return(char)(k...
My Solutions to Leetcode problems. All solutions support C++ language, some support Java and Python. Multiple solutions will be given by most problems. Enjoy:) 我的Leetcode解答。所有的问题都支持C++语言,一部分问题支持Java语言。近乎所有问题都会提供多个算
1980-find-unique-binary-string.py 1985-Find-The-Kth-Largest-Integer-In-The-Array.py 1985-find-the-kth-largest-integer-in-the-array.py 2013-Detect-Squares.py 2013-detect-squares.py 2017-Grid-Game.py 2017-grid-game.py 232-Implement-Queue-Using-Stacks.py 236-Lowest-...
unique digits maximum sum problem find number of times a string occurs as a subsequence number of unique paths minimum number of jumps rod cutting more dynamic programming practice problems matrix coding problems exit point in a matrix shortest source to destination path gold mine problem print all...
find whether two elements in the same group (Find) merge two groups of elements (Union) Here is an example story to help you understand Union Find. A, B, C three people work for M company. We assign them each a parent pointer to M. ...
[1391. 检查网格中是否存在有效路径](https://leetcode.cn/problems/check-if-there-is-a-valid-path-in-a-grid/) [1697. 检查边长度限制的路径是否存在](https://leetcode.cn/problems/checking-existence-of-edge-length-limited-paths/) [2503. 矩阵查询可获得的最大分数](https://leetcode.cn/problems...
String t is generated by random shuffling string s and then add one more letter at a random position. Find the letter that was added in t. Example: Input: s = "abcd" t = "abcde" Output: e Explanation: 'e' is the letter that was added. 链接:https://leetcode.com/problems/find-th...
1classSolution {2func findDuplicate(_ paths: [String]) ->[[String]] {3//create a dictionary with [content: [filepath]], output the value count which is equal and greater than 24varcontentToFiles =[String: [String]]()5forpathinpaths {6letparams= path.split(separator:"")7guard let ...
1857-largest-color-value-in-a-directed-graph.rs 1929-concatenation-of-array.rs 1930-unique-length-3-palindromic-subsequences.rs 1963-minimum-number-of-swaps-to-make-the-string-balanced.rs 1984-minimum-difference-between-highest-and-lowest-of-k-scores.rs 2001-number-of-pairs-of-interchangeable-rec...