分类: coding, leetcode 标签: coding, leetcode 好文要顶 关注我 收藏该文 微信分享 zhanzq1 粉丝- 1 关注- 0 +加关注 0 0 « 上一篇: leetcode 387. 字符串中的第一个唯一字符(First Unique Character in a String) » 下一篇: leetcode 400. 第N个数字(Nth Digit) posted...
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...
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-...
0387-First-Unique-Character-In-String 0394-Decode-String 0407-Trapping-Rain-Water-II 0445-Add-Two-Numbers-II 0447-Number-of-Boomerangs 0454-4Sum-II 0461-hamming-distance 0477-total-hamming-distance 0530-minimum-absolute-difference-in-bst 0540-Single-Element-in-a-Sorted-Array 0642...
[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...
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. ...
1classSolution {2func findReplaceString(_ S: String, _ indexes: [Int], _ sources: [String], _ targets: [String]) ->String {3varS =S4varv:[[Int]] =[[Int]]()5foriin0..<indexes.count6{7v.append([indexes[i], i])8}9v.sort(by:{(a:[Int],b:[Int]) -> Boolin10ifa[0] ...
今天介绍的是LeetCode算法题中Easy级别的第82题(顺位题号是389)。给定两个字符串s和t,它们只包含小写字母。字符串t由随机混洗字符串s生成,然后在随机位置再添加一个字母。找到t中添加的字母。例如: 输入:s =“abcd”, t =“abcde” 输出:'e'
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...
关于为什么可以用异或处理,推荐前文leetcode-136-Single Number,讲解得比较透彻。 代码如下: charfindTheDifference(strings,stringt) {charresult=0;for(inti=0;i<s.size();i++) { result^=s[i];//** result^=t[i];//** } result^=t[t.size()-1];returnresult; ...