Given a non-negative integer, you could swap two digits at most once to get the maximum valued number. Return the maximum valued number you could get. Example 1: Input: 2736 Output: 7236 Explanation: Swap the n
Given a non-negative integer, you could swap two digits at most once to get the maximum valued number. Return the maximum valued number you could get. Example 1:Input:2736Output:7236Explanation:Swapthenumber2andthenumber7. Example 2:Input:9973Output:9973Explanation:Noswap. 题题目要求交换两位数...
You are given an integer num. You can swap two digits at most once to get the maximum valued number. Return the maximum valued number you can get. Example 1: Input: num = 2736 Output: 7236 Explanation: Swap the number 2 and the number 7. Example 2: Input: num = 9973 Output: 9973...
CodeTestcase Test Result Test Result 24. Swap Nodes in Pairs Medium Topics Companies Given a linked list, swap every two adjacent nodes and return its head. You must solve the problem without modifying the values in the list's nodes (i.e., only nodes themselves may be changed.) ...
leetcode 24. Swap Nodes in Pairs Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->3. Your algorithm should use only constant space. You may not modify the values in the list, only ...
Leetcode solutions. Contribute to arnaveenkumar/leetcode development by creating an account on GitHub.
24. Swap Nodes in Pairs Solved Medium Topics Companies Given a linked list, swap every two adjacent nodes and return its head. You must solve the problem without modifying the values in the list's nodes (i.e., only nodes themselves may be changed.) ...
You are given an integer num. You can swap two digits at most once to get the maximum valued number. Return the maximum valued number you can get. Example: Example 1: Input: num = 2736 Output: 7236 Explanation: Swap the number 2 and the number 7. ...
The number of nodes in the list is in the range [0, 100]. 0 <= Node.val <= 100 方法一:递归 思路:这道题不难,基本的链表题,递归的写法比较简洁,实际上利用了回溯的思想,递归遍历到链表末尾,然后先交换末尾两个,然后依次往前交换,代码如下: ...
leetcode 670. Maximum Swap 的思路与python实现 Given a non-negative integer, you could swap two digitsat mostonce to get the maximum valued number. Return the maximum valued number you could get. Input:2736Output:7236Explanation:Swap the number 2 and the number 7....