Manhattan Wiring 题意: There is a rectangular area containing n × m cells. Two cells are marked with “2”, and another two with “3”. Some cells are occup ...
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其他好文 时间:
2020-05-31 16:26:04
阅读次数:
66
Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. Example: Input: n = 4, k = 2 Output: [ [2,4], [3,4], [2,3], ...
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其他好文 时间:
2020-05-31 13:17:49
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57
LeetCode的第一题,英文单词书中 Abandon 一般的存在,让我们来看一下题目: Given an array of integers, return indices of the two numbers such that they add up to a specific target. ...
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编程语言 时间:
2020-05-31 11:10:15
阅读次数:
107
不断更新值和进位。 class Solution { public: int getSum(int a, int b) { return b == 0 ? a : getSum(a ^ b, ((unsigned int)a & b) << 1); } }; ...
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其他好文 时间:
2020-05-30 01:24:53
阅读次数:
70
进阶解法1:排序双指针 class Solution { public: vector<int> intersect(vector<int>& nums1, vector<int>& nums2) { sort(nums1.begin(), nums1.end()); sort(nums2.begi ...
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编程语言 时间:
2020-05-30 01:20:17
阅读次数:
70
题目描述 leetcode - 2:https://leetcode-cn.com/problems/add-two-numbers/ 解题关键 C++ 链表 数据结构的定义和遍历 代码 /** * Definition for singly-linked list. * struct ListNo ...
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其他好文 时间:
2020-05-29 09:15:52
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73
Given a perimeter of 60, we can find two right triangles with integral length sides: [(10, 24, 26), (15, 20, 25)]. Complete the following function, wh ...
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其他好文 时间:
2020-05-28 00:59:06
阅读次数:
86
package LeetCode_496 /** * 496. Next Greater Element I * https://leetcode.com/problems/next-greater-element-i/description/ * * You are given two array ...
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其他好文 时间:
2020-05-26 22:09:23
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112
链接:https://leetcode-cn.com/problems/add-two-numbers/ 代码: /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * L ...
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其他好文 时间:
2020-05-25 00:15:00
阅读次数:
65
Find the sum of all left leaves in a given binary tree. Example: 3 / \ 9 20 / \ 15 7 There are two left leaves in the binary tree, with values 9 and 1 ...
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其他好文 时间:
2020-05-24 11:27:13
阅读次数:
52