Given a linked list, remove thenth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, andn= 2. After removing the second node from the end, the linked list becomes 1->2->3->5. 解法:从后面往前数的第n个 pointerA先从前开始数n个,...
/ 295.find-median-from-data-stream.md Latest commit Cannot retrieve latest commit at this time. HistoryHistory File metadata and controls Preview Code Blame 325 lines (259 loc) · 9.41 KB Raw 题目地址 https://leetcode.com/problems/find-median-from-data-stream/description/ 题目描述 Median is...
0019-remove-nth-node-from-end-of-list.py 0020-valid-parentheses.py 0021-merge-two-sorted-lists.py 0022-generate-parentheses.py 0023-merge-k-sorted-lists.py 0024-swap-nodes-in-pairs.py 0025-reverse-nodes-in-k-group.py 0026-remove-duplicates-from-sorted-array.py 0027...
classSolution {public:intfindMin(vector<int> &num) {if(num.empty())return0; vector<int>::iterator iter =min_element(num.begin(), num.end());return*iter; } }; 解法二:利用sorted这个信息。如果平移过,则会出现一个gap,也就是从最大元素到最小元素的跳转。如果没有跳转,则说明没有平移。 比...
LeetCode Question Longest Common Prefix Deion: Write a function to find the longest common prefix string amongst an array of strings. Input:[“aasdfgas”, “aaasafda”] Output:“aa” Day 1376 答案揭晓 DS Interview Question & Answer
(leetcode problem solution) stack coding problems number following the pattern print bracket number stock span problem redundant bracket postfix expression evaluation largest rectangle area in a histogram minimum add to make parentheses valid check mirror in n-ary tree linked list coding problems reverse...
This was my accepted solution for this LeetCode problem: CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT BEGIN DECLARE M INT; SET M = N - 1; RETURN ( # WRITE your MySQL query statement below. SELECT DISTINCT Salary FROM Employee ORDER BY Salary DESC LIMIT M, 1 ); END 2. Alter...
原题链接:https://leetcode.com/problems/remove-nth-node-from-end-of-list/ 解题思路:首先遍历一次得到整个list的长度;然后再从头开始计数,如果总长度为total,要删除倒数第n个,则该node与head的距离为n,找到后删除即可 代码:... 2017第十二届黑龙江省程序设计竞赛总结 2017/5/12 ...
leetcode Plus One Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most significant digit is at the head of the list. 1,解法。如果最后一位加1大于9,那么最后一位/10会有余数,利用这个特点进行plus one...
return5. packageLeetcode;publicclassLengthofLastWord {publicintlengthOfLastWord(String s) {char[] chars=s.toCharArray();intlength=0;for(inti=chars.length-1;i>0;i--){if(length==0){if(chars[i]==' '){continue; }else{ length++; ...