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题解 | #判断一个链表是否为回文结构#

/** struct ListNode { int val; struct ListNode *next; }; */ class Solution { public: /** * * @param head ListNode类 the head * @return bool布尔型 */ boo...

C++

2022-01-24

0 291

题解 | #旋转数组的最小数字#

class Solution { public: int minNumberInRotateArray(vector<int> rotateArray) { if(rotateArray.empty()) return 0; int l = 0, r = ro...

C++

2022-01-24

0 271

题解 | #旋转数组的最小数字#

class Solution { public: int minNumberInRotateArray(vector rotateArray) { if(rotateArray.empty()) return 0; int r = rotateArray.size() - 1; int is_fro...

C++

2022-01-24

0 297

题解 | #反转数字#

/** struct ListNode { int val; struct ListNode *next; }; */ class Solution { public: /** * * @param head ListNode类 the head node * @return ListNode类...

C++

2022-01-24

0 310

题解 | #找到搜索二叉树中两个错误的节点#

/** struct TreeNode { int val; struct TreeNode *left; struct TreeNode *right; }; */ class Solution { public: /** * * @param root TreeNode类 the root ...

C++

2022-01-24

0 267

题解 | #反转数字#

class Solution { public: /** * * @param x int整型 * @return int整型 */ int reverse(int x) { // write code here bool flag = 1; if(x < 0) fla...

C++

2022-01-24

0 212

题解 | #回文数字#

class Solution { public: /** * * @param x int整型 * @return bool布尔型 */ bool isPalindrome(int x) { // write code here string s = to_string(x); ...

C++

2022-01-24

0 222

题解 | #最长公共前缀#

class Solution { public: /** * * @param strs string字符串vector * @return string字符串 */ string longestCommonPrefix(vector& strs) { // write code here ...

C++

2022-01-24

0 243

题解 | #有效括号序列#

class Solution { public: /** * * @param s string字符串 * @return bool布尔型 */ bool isValid(string s) { // write code here stack stk; for(int i = 0; i &...

C++

2022-01-23

0 299

题解 | #求路径#

class Solution { public: /** * * @param m int整型 * @param n int整型 * @return int整型 */ int uniquePaths(int m, int n) { // write code here vector<vecto...

C++

2022-01-23

0 277