摘要：
Implement the following operations of a stack using queues. push(x) -- Push element x onto stack. pop() -- Removes the element on top of the stack. to 阅读全文
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[Leetcode] Template to rotate matrix
2018-06-18 10:57 by Johnson_强生仔仔, 313 阅读, 收藏,
摘要：
Rotate the image by 90 degrees (clockwise). [[1,2,3,4], [[9,10,11,12], [[9,5,1], [5,6,7,8], ==> [5,6,7,8], ==> [10,6,2], [9,10,11,12]] [1,2,3,4]] [11, 阅读全文
[LeetCode] 619. Biggest Single Number_Easy tag: SQL
2018-08-28 23:13 by Johnson_强生仔仔, 310 阅读, 收藏,
摘要：
Table number contains many numbers in column num including duplicated ones.Can you write a SQL query to find the biggest number, which only appears on 阅读全文
[CSS] Frequently used method or solutions for issues
2019-04-01 22:47 by Johnson_强生仔仔, 309 阅读, 收藏,
摘要：
Stick button in right side in html Solution: Set the size of textarea in CSS. Solution: Set the item at the top besides the textarea set font like thi 阅读全文
[LeetCode] 312. Burst Balloons_hard tag: 区间Dynamic Programming
2018-08-01 05:07 by Johnson_强生仔仔, 307 阅读, 收藏,
摘要：
Given n balloons, indexed from 0 to n-1. Each balloon is painted with a number on it represented by array nums. You are asked to burst all the balloon 阅读全文
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