YoungForest's blog

RankNameScoreFinish TimeQ1 (3)Q2 (5)Q3 (5)Q4 (6)165 / 12400YoungForest181:07:140:03:22 🐞10:16:01 🐞10:27:41 🐞10:52:14AK 40 minutes early. Although because of carelessness I had one WA on each of the first three problems, causing 15 minutes of penalty time, the good news is that I probably will not

RankNameScoreFinish TimeQ1 (3)Q2 (5)Q3 (5)Q4 (6)2217 / 10364YoungForest120:51:470:05:110:51:470:29:51null1859. Sorting the Sentence Use python for string problems. Although the problem is not hard, just splitting the string and sorting according to the specified content, the implementation is still

Both this week’s weekly contest and biweekly contest went badly. Time to start the Cruel Coding check-in journey. RankNameScoreFinish TimeQ1 (3)Q2 (5)Q3 (5)Q4 (6)717 / 11572YoungForest120:23:510:05:350:17:330:23:51null1863. Sum of All Subset XOR Totals A warm-up problem. Brute-force backtracking, e

RankNameScoreFinish TimeQ1 (3)Q2 (5)Q3 (5)Q4 (6)272 / 11577YoungForest181:15:290:04:460:14:190:47:061:10:29 1This week had the May Day holiday plus thesis plagiarism checking. My mood was made extremely anxious by the thesis. Just hold on for two more weeks; after getting through the defense, everyt

Mendeley GB/T 7714-2005 * For English references, author names were shown in all caps * For English references with more than three authors, the Chinese “等” was used for omission instead of “et al.” Solution I configured my own reference format and am sharing it here. Its features include: * R

RankNameScoreFinish TimeQ1 (3)Q2 (4)Q3 (5)Q4 (6)150 / 9378YoungForest180:32:040:05:260:07:220:11:240:32:04A hand-speed contest. Recently my hand speed is far worse than before, and the last problem also took quite a bit of time because I was not familiar enough with it. Actually, in a hand-speed co

RankNameScoreFinish TimeQ1 (3)Q2 (5)Q3 (5)Q4 (6)78 / 10870YoungForest180:52:570:02:220:09:370:27:130:47:57 1I have been exempt from check-ins for three consecutive weeks, and last night’s biweekly contest also went pretty well as a hand-speed contest. The recent weekly contests have indeed become s

RankNameScoreFinish TimeQ1 (3)Q2 (5)Q3 (5)Q4 (6)383 / 11635YoungForest181:53:500:01:050:13:020:20:591:28:50 51837. Sum of Digits in Base K A warm-up problem. Convert from decimal to base k. 1 2 3 4 5 6 7 class Solution: def sumBase(self, n: int, k: int) -> int: ans = 0 while n

The contest time was 7 a.m. to 10 a.m. Beijing time on the 19th, and it happened that I had to submit the first draft of my graduation thesis at 2 p.m. Recently I had been busy writing the thesis, so I did not participate in Round B. Now I have already passed the age of campus recruitment, so compet

RankNameScoreFinish TimeQ1 (3)Q2 (5)Q3 (5)Q4 (6)345 / 11446YoungForest180:40:040:03:210:05:100:25:300:35:04 1It had been a long time since I solved all four problems and entered the top 500. Finally I can skip check-in. I had been checking in for seven consecutive weeks and was almost unable to tak