YoungForest's blog

RankNameScoreFinish TimeQ1 (3)Q2 (4)Q3 (5)Q4 (6)1032 / 10097YoungForest120:20:280:09:100:12:510:20:28nullI was eight minutes late because of showering; otherwise I should have been able to enter the top 500. This biweekly contest was a disguised hand-speed contest, with 141 people solving all four

RankNameScoreFinish TimeQ1 (2)Q2 (4)Q3 (6)Q4 (8)Q5 (9)Q6(12)228 / 781佛系刷题6/411:00:000:42:421:00:00nullnullnullnullContest link I did not participate in the previous LC-CN spring and fall contests, because our lab used to hold group meetings every Saturday afternoon, which perfectly conflicted with

RankNameScoreFinish TimeQ1 (3)Q2 (5)Q3 (5)Q4 (6)1513 / 12115YoungForest120:45:180:02:570:08:590:40:18 1null1822. Sign of the Product of an Array A warm-up problem. Count how many negative numbers there are and whether there is a 0. 1 2 3 4 5 6 7 8 9 10 11 class Solution: def arraySign(self, n

RankNameScoreFinish TimeQ1 (2)Q2 (4)Q3 (6)Q4 (8)Q5 (10)171 / 2750YoungForest120:56:510:06:210:49:140:56:55nullnullContest link LCP 28. Purchase Plans A warm-up problem. We can see that a total of 2750 contestants checked in. Binary search. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 class Solutio

RankNameScoreFinish TimeQ1 (3)Q2 (5)Q3 (5)Q4 (6)889 / 11443YoungForest120:27:180:01:520:07:490:27:18null1816. Truncate Sentence A warm-up problem. Let me emphasize again: string problems are suitable for Python. You really only need to describe the problem. 1 2 3 class Solution: def truncateS

RankNameScoreFinish TimeQ1 (3)Q2 (4)Q3 (5)Q4 (6)108 / 9082YoungForest181:37:360:03:390:09:010:14:281:27:36 2Recently, because I relaxed my problem-solving practice, my contest level has also declined somewhat. But this is something I did deliberately. Previously, I frantically solved 1k+ problems. L

Auto daily health report solution for BUAA. Report Script 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 import requests import json import time import datetime headers = {

RankNameScoreFinish TimeQ1 (3)Q2 (5)Q3 (5)Q4 (6)672 / 12421YoungForest191:19:080:12:04 20:23:510:29:260:54:08 3It was check-in time again. I had been doing this brutal check-in for five consecutive weeks. And honestly, I did not feel the problems were that easy this time. I got 5 WAs and my mental s

Motivation Following the problem in the previous post, Fixing Ubuntu Desktop VPN Access to Public Internet Resources, I tried configuring a jump host to access machines at the Hangzhou Research Institute. In my research work, my MacBook could not connect to OpenVPN and therefore could not access th

RankNameScoreFinish TimeQ1 (3)Q2 (4)Q3 (5)Q4 (7)923 / 12037YoungForest131:13:090:29:590:50:241:13:09nullOver the weekend, I completely wasted three contests. I did not participate in the biweekly contest, was half an hour late to the weekly contest, and then immediately participated in Kick Start.