leetcode_字节宝

leetcode 13 Roman to Integer

class Solution {public: int romanToInt(string s) { int res = 0; unordered_map<char, int> m{{'I', 1}, {'V', 5}, {'X', 10}, {'L', 50}, {'C&#...

integer leetcode

2018-06-04

1

leetcode 15 3Sum

class Solution {public: vector<vector<int>> threeSum(vector<int>& nums) { set<vector<int>> res; sort(nums.begin(), nums.end()); for...

leetcode sum

2018-06-04

0

leetcode 2 Add two numbers

public class Solution { public ListNode addTwoNumbers(ListNode l1, ListNode l2) { ListNode dummy = new ListNode(-1); ListNode cur = dummy; ...

add leetcode numbers

2018-06-04

1

【专知-关关的刷题日记20】Leetcode 119. Pascal's Triangle II

题目Given an index k, return the kth row of the Pascal's triangle.For example, given k = 3,Return [1,3,3,1].这道题是118题的延续，要求给定数字k，返回杨辉三角的第k行，这里把最开始的[1]这一行看作了第0行。...

leetcode output pascal return row

2018-04-09

1

Leetcode 19 Remove Nth Node From End of List 超简洁代码

Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. After remo...

dfs leetcode list return 指针

2018-01-12

1