Comments

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  1

  

  vominhmanh10  commented on Dec. 6, 2025, 5:49 a.m. ← edit 2 →

  nó kêu nhìn 4 hướng duyệt 4 hướng lun

  import sys
  input = sys.stdin.readline
  
  n, m = map(int, input().split())
  a = [list(map(int, i.split())) for i in sys.stdin.readlines()]
  vis = [bytearray(m) for _ in range(n)]
  for i in range(n):
      ans = 0
      for j in range(m):
          if a[i][j] > ans:
              ans = a[i][j]
              vis[i][j] = 1
      ans = 0
      for j in range(m - 1, -1, -1):
          if a[i][j] > ans:
              ans = a[i][j]
              vis[i][j] = 1
  for j in range(m):
      ans = 0
      for i in range(n):
          if a[i][j] > ans:
              ans = a[i][j]
              vis[i][j] = 1
      ans = 0
      for i in range(n - 1, -1, -1):
          if a[i][j] > ans:
              ans = a[i][j]
              vis[i][j] = 1
  
  print(sum(i.count(1) for i in vis))
  

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  -1

  

  danglebinhnguyen2014  commented on Nov. 26, 2024, 5:43 a.m.

  bài này dễ thiệt

  Dễ sai

  Khó đúng

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  1

  

  Groot  commented on June 8, 2024, 1:14 a.m.

  lưu ý:

  Trường hợp đặc biệt: cột ngoài cùng có độ cao = 0 :))

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  -1

  

  zackdeaths  commented on Sept. 26, 2024, 6:47 a.m.

  cay thật :/

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  -2

  

  anhnguyen  commented on Oct. 25, 2023, 4:47 a.m.

  =(( +1 nộp bên bài cắt dán, cayy