摘要
Title: L1-043 阅览室 (20 分)
Tag: 模拟
Memory Limit: 64 MB
Time Limit: 1000 ms

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Link

• 题意
• 思路
• 代码

L1-043 阅览室 (20 分)

• 题意

  见原题

• 思路

  感觉测试数据不太对，题目数据是以最后一次借为主的

• 代码

  '''
  Author: NEFU AB-IN
  Date: 2022-04-15 19:55:54
  FilePath: \ACM\GPLT\L1-043.PY
  LastEditTime: 2022-04-15 19:59:52
  '''
  from collections import Counter
  
  S = Counter()
  
  n = int(input())
  
  while n > 0:
      cnt, time_sum = 0, 0
      while True:
          index, op, time = input().split()
          h, f = map(int, time.split(':'))
          if index == '0':
              if cnt == 0:
                  print(0, 0)
              else:
                  print(cnt, int((time_sum / cnt) + 0.5))
              break
          if op == 'S':
              # if S[index]:
              #     continue
              S[index] = [h, f]
          else:
              if not S[index]:
                  continue
              time_sum += (h - S[index][0]) * 60 + (f - S[index][1])
              S[index] = 0
              cnt += 1
      n -= 1