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问了3个LP。solve things above and beyond what asked。have 2 plans for a problem，这个应该是理解...
What’s Gabiluso needs to do is destroying some bus stations to make the army can’t get to the airport in k minutes. It takes exactly one minute for a bus to pass any road. All bus stations are numbered from 1 to n. The No.1 bus station is in the barrack and the No. n ...
Check If It Is a Straight Line 1234. Replace the Substring for Balanced String 1235. Maximum Profit in Job Scheduling 1252. Cells with Odd Values in a Matrix 1254. Number of Closed Islands 1260. Shift 2D Grid 1266. Minimum Time Visiting All Points 1275. Find Winner on a Tic Tac Toe ...
If you want a challenge, please do not see below and ask yourself what are the possible input cases. Notes: It is intended for this problem to be specified vaguely (ie, no given input specs). You are responsible to gather all the input requirements up front. spoilers alert… click to ...
In the computer world, use restricted resource you have to generate maximum benefit is what we always want to pursue. For now, suppose you are a dominator of m 0s and n 1s respectively. On the other hand, there is an array with strings consisting of only 0s and 1s. ...
Input: 3 Output: 3 Explanation: Intitally, we have one character 'A'. In step 1, we use Copy All operation. In step 2, we use Paste operation to get 'AA'. In step 3, we use Paste operation to get 'AAA'. Note: The n will be in the range [1, 1000]. 解题思路: 1. 此...
If you want a challenge, please do not see below and ask yourself what are the possible input cases. Notes: It is intended for this problem to be specified vaguely (ie, no given input specs). You are responsible to gather all the input requirements up front. spoilers alert… click to ...
然后大部分时间花在worry about what I can’t do上,真是关于做题的没想多少。 If you are reading this, and you have at some point feel the same, what will you do to change it? 我想,接着写这个博客就是对自己的自信的锻炼and this is what I’m doing to change it。你见过校内那种写一篇有...
Add the two numbers and return it as a linked list. You may assume the two numbers do not contain any leading zero, except the number 0 itself. Follow up: What if you cannot modify the input lists? In other words, reversing the lists is not allowed. Example: Input: (7 -> 2 -> ...