weekly-contest-191
leetcode.com/contest/weekly-contest-191
Contest - LeetCode
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leetcode.com
실력이 좀 늘었나? 하고 생각했지만, 3문제가 워낙 쉬웠던것 같다.
leetcode.com/contest/weekly-contest-191/ranking/161/
Contest - LeetCode
Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.
leetcode.com
3번째 문제는 Tree BFS에 대한 확실한 개념이 필요함.
leetcode.com/problems/reorder-routes-to-make-all-paths-lead-to-the-city-zero/
Reorder Routes to Make All Paths Lead to the City Zero - LeetCode
Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.
leetcode.com
4번째 문제는 아직 못봄
