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Title: Vinjunho/feature/boj 2075 N번째큰수 by Rekalux · Pull Request #298 · molgorithm/molgorithm2 · GitHub

Open Graph Title: Vinjunho/feature/boj 2075 N번째큰수 by Rekalux · Pull Request #298 · molgorithm/molgorithm2

X Title: Vinjunho/feature/boj 2075 N번째큰수 by Rekalux · Pull Request #298 · molgorithm/molgorithm2

Description: 백준 2075 N번째 큰 수 문제 링크 1. 설계 로직 n^2개의 수 중에서 n번째의 수를 구하는 문제이다. n^2개의 데이터를 모두 관리할 필요가 없다 상위 n개만 관리하여 n번째 수를 뽑아내면 되겠다. 이분탐색을 통해 랭킹을 관리하면 더 효율적. (n^2)log(n) , 1<=n<=1500 2. 코드 import sys, bisect input = sys.stdin.readline n = int(input()) lank = [] # 상위 n개의 수만 관리할 list for _ in range(n): li = list(map(int, input().split())) # readline for i in range(n): bisect.insort(lank, -li[i]) # 크기순으로 정렬하며 삽입한다(bisect는 이분탐색활용하므로 O(log(n)) if len(lank) > n: # 상위 n번째 이 후의 수는 볼 이유 없으므로 삭제 lank.pop() # 리스트 맨 끝을 날리는 pop()함수는 O(1) print(-lank[-1]) # n번째 수를 출력 3. 후기 어제 우선순위큐와 이분탐색에 대해 공부하다 bisect라는 말도 안 되는 라이브러리를 알게되었다. 앞으로 이분탐색이 필요할 때 많이 써먹어야겠다. 파이썬 사기

Open Graph Description: 백준 2075 N번째 큰 수 문제 링크 1. 설계 로직 n^2개의 수 중에서 n번째의 수를 구하는 문제이다. n^2개의 데이터를 모두 관리할 필요가 없다 상위 n개만 관리하여 n번째 수를 뽑아내면 되겠다. 이분탐색을 통해 랭킹을 관리하면 더 효율적. (n^2)log(n) , 1<=n<=1500 2. 코드 import sys, bise...

X Description: 백준 2075 N번째 큰 수 문제 링크 1. 설계 로직 n^2개의 수 중에서 n번째의 수를 구하는 문제이다. n^2개의 데이터를 모두 관리할 필요가 없다 상위 n개만 관리하여 n번째 수를 뽑아내면 되겠다. 이분탐색을 통해 랭킹을 관리하면 더 효율적. (n^2)log(n) , 1&lt;=n&lt;=1500 2. 코드 import s...

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og:image:alt백준 2075 N번째 큰 수 문제 링크 1. 설계 로직 n^2개의 수 중에서 n번째의 수를 구하는 문제이다. n^2개의 데이터를 모두 관리할 필요가 없다 상위 n개만 관리하여 n번째 수를 뽑아내면 되겠다. 이분탐색을 통해 랭킹을 관리하면 더 효율적. (n^2)log(n) , 1<=n<=1500 2. 코드 import sys, bise...
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