YoungForest's blog

Recently, I have often needed to include the universal header bits/stdc++.h when doing Kick Start. However, my beloved editor VS Code always fails to locate this header correctly and shows a red squiggly error. As a programmer, I absolutely cannot tolerate that, so I tried to solve the problem. I se

RankNameScoreFinish TimeQ1 (3)Q2 (4)Q3 (5)Q4 (7)484 / 13036YoungForest191:27:450:11:200:19:20 10:08:481:22:45The last problem this week was a classic computational geometry problem and was not easy to write. But the acceptance rate was still quite high, probably because the test cases were relativel

RankNameScoreFinish TimeQ1 (3)Q2 (4)Q3 (5)Q4 (7)115 / 7795YoungForest190:33:490:03:550:08:250:11:570:28:49 1The week before last was the May Day holiday, so I skipped one biweekly contest. I will still try to participate as much as possible afterward. Recently, contests have been feeling smoother an

RankNameScoreFinish TimeQ1 (3)Q2 (4)Q3 (5)Q4 (7)445 / 12715YoungForest191:14:290:07:040:17:330:56:491:14:29My rating has stayed above 2200 for two weeks. Although this week’s rating has not been updated yet, based on my rank it should continue to rise. I will try to reach the 2300+ line as soon as p

RankNameScoreFinish TimeQ1 (3)Q2 (4)Q3 (5)Q4 (7)301 / 12353YoungForest191:03:240:06:340:03:070:17:301:03:241436. Destination City Traverse each edge and count the out-degree of each point. Time complexity: O(path.length * city[i].length), Space complexity: O(city.length * city[i].length). 1 2 3 4

Nearly two months have passed since I posted my first summer internship interview experience on Nowcoder. In between, I successively participated in recruiting processes at eight companies. All roles were backend/server development roles, based in Beijing. Failed ByteDance I failed in the first rou

RankNameScoreFinish TimeQ1 (4)Q2 (4)Q3 (6)Q4 (7)113 / 11684YoungForest180:34:170:04:320:10:540:18:490:34:17A speed contest. After switching to Python, speed contests became much easier. Life is short; I use Python. But while using Python for problem solving, I also discovered some issues. * I am n

RankNameScoreFinish TimeQ1 (4)Q2 (4)Q3 (6)Q4 (7)703 / 9206YoungForest120:36:350:10:240:22:030:31:35 1null1417. Reformat The String Count the number of digits and letters separately. If the difference in counts is no greater than 1, the string can be reformatted. Choose the category with more charact

IDscorerankBike TourBus RoutesRobot Path CodingWandering RobotTimeYoungForest745245 + 710 + 1311 + 1614 + 01:35:18Last year I participated in six Kick Start rounds in total and successfully got Google’s internship offer this year. Unfortunately, because of the pandemic, all Google China summer inter

RankNameScoreFinish TimeQ1 (3)Q2 (4)Q3 (5)Q4 (6)700 / 7729YoungForest181:17:490:04:500:10:380:17:451:02:49 3Recently I participated in two Codeforces contests, and my CF rating is hovering around 1400+. Codeforces problems are much harder than LeetCode’s. I did not manage to keep going. This is also