206. 反转链表,这道题是翻转整个链表 92. 反转链表 II,这道题是翻转链表的一部分 接下来, 用图说明方法:所以,有三步 找中点 翻转中点之后的链表(好多方法, Python和Java 各用一种) 依次拼接 代码: 思路一: class Solution(object): def reorderList(self, head): """ :type head: Lis
class Solution { public: int assignBikes(vector<vector<int>>& workers, vector<vector<int>>& bikes) { int m = workers.size(), n = bikes.size(), i, j; vector<vector<int>> dis(m, vector<int>(n)); for(i = 0; i < m; ++i) for(j = 0; j < n; ++j) dis[i][j] = ...
g++ -std=c++11 -Wall src/bar.cpp -o bar OR You can build all the files usingmake(Use MinGW GCC and GNU Make on Windows). The☢means that you need to have a LeetCode Premium Subscription. ProblemSolution 315Count of Smaller Numbers After Self ...
#TitleSolutionDifficulty 1 Search in a big sorted array Java Medium 2 Search Range in Binary Search Tree Java MediumAbout LeetCode Problems' Solutions Resources Readme Activity Stars 0 stars Watchers 2 watching Forks 4.9k forks Report repository Releases No releases published Packages No...
classSolution(object):defgetIntersectionNode(self,headA,headB):""":type head1, head1: ListNode:rtype: ListNode"""p1,p2=headA,headBwhilep1!=p2:ifp1:p1=p1.nextelse:p1=headBifp2:p2=p2.nextelse:p2=headAreturnp1 206反转链表 递归 ...
This problem was inspired by this original tweet by Max Howell: Google: 90% of our engineers use the software you wrote (Homebrew), but you can’t invert a binary tree on a whiteboard so fuck off. 【解答】这个段子已经在互联网上广为流传了,实际事情的背景我们不得而知。不过如果真是...
218 The Skyline Problem 16.20% Hard 217 Contains Duplicate 35.90% Easy 216 Combination Sum III 27.70% Medium 215 Kth Largest Element in an Array 27.30% Medium 214 Shortest Palindrome 16.80% Hard 213 House Robber II 26.30% Medium 212 Word Search II 15.00% Hard 211 Add and Search Word - Dat...
class Solution { public: int trap(vector<int>& height) { if(height.empty()) return 0; height.push_back(0); int res =0; stack<int> st;//decreasing stack for(int i = 0; i<height.size();++i){ while(!st.empty() && height[i] > height[st.top()]){ ...
2 Add Two Numbers Solution O(max(m,n)) O(1) Medium LinkedList 3 Longest Substring Without Repeating Characters Solution O(n) O(k) Medium HashMap, Sliding Window 4 Median of Two Sorted Arrays Solution ? ? Hard Divide and Conquer 5 Longest Palindromic Substring Solution O(n^2) O(1) Med...
**Problem:**206. Reverse Linked ListGiven the head of a singly linked list, reverse the list, and return the reversed list. Solution class ListNode: def __init__(self, val=0, next=None): self.val = val self.next = next def reverseList(head): prev = None curr = head while curr...