This time you are asked to tell the difference between the lowest grade of all the male students and the highest grade of all the female students. Inp ...
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其他好文 时间:
2021-06-20 17:53:20
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#创建job_grades表/*CREATE TABLE job_grades(grade_level VARCHAR(3), lowest_sal int, highest_sal int); INSERT INTO job_gradesVALUES ('A', 1000, 2999); INSE ...
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2021-04-13 12:40:20
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A supply chain is a network of retailers(零售商), distributors(经销商), and suppliers(供应商)-- everyone involved in moving a product from supplier to customer ...
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2021-02-24 13:20:28
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来源: https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree/solution/er-cha-shu-de-zui-jin-gong-gong-zu-xian-by-leetc-2/ 信息分类: IT/算法 ...
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其他好文 时间:
2021-02-17 14:40:10
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题意 供应链有3种人,零售商,经销商和供应商,供应链上的人都可以从自己的供应商那里以P的价格买入,而后以r%的涨幅卖给下一级,问供应链上找零售商买价格最低是多少 思路 每一层的价格涨幅都是一样的,所以这个问题等价于从根结点出发找最短的路到零售商。用BFS和DFS都可以做,DFS代码量少我就用DFS了 ...
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其他好文 时间:
2020-10-05 22:33:38
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48
Given two strings s1, s2, find the lowest ASCII sum of deleted characters to make two strings equal. Example 1: Input: s1 = "sea", s2 = "eat" Output: ...
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其他好文 时间:
2020-07-28 14:45:21
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310
[抄题]: Given a binary search tree and the lowest and highest boundaries as L and R, trim the tree so that all its elements lies in [L, R] (R >= L). You ...
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其他好文 时间:
2020-05-23 09:45:44
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50
This time you are asked to tell the difference between the lowest grade of all the male students and the highest grade of all the female students. Inp ...
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其他好文 时间:
2020-05-12 15:19:35
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71
(https://leetcode cn.com/problems/lowest common ancestor of a binary tree/) 自己写这一题墨迹那么长时间最后还是选了一个超级暴力的方法,不仅代码长,而且很慢..... 具体思路就是进行在对树进行后序遍历的时候,对每个点进行一次 ...
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其他好文 时间:
2020-05-10 17:06:00
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59
PAT甲级:1036 Boys vs Girls (25分) 题干 This time you are asked to tell the difference between the lowest grade of all the male students and the highest gra ...
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其他好文 时间:
2020-05-05 10:32:02
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63