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  1. n = int(input())
  2. b = []
  3.  
  4. for _ in range(n):
  5.     l, w = map(int, input().split())
  6.     b.append((min(l,w), max(l, w)))
  7.  
  8. b.sort()
  9.  
  10. l = b[-1][1]
  11. ans = b[-1][0] * b[-1][1] / 2.
  12.  
  13. for i in range(n-2, -1, -1):
  14.     ans = max(ans, b[i][0] * min(l, b[i][1]), b[i][0] * b[i][1] / 2.)
  15.     l = max(l, b[i][1])
  16.  
  17. print('{:.1f}'.format(ans))
Runtime error #stdin #stdout #stderr 0.12s 23588KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "./prog.py", line 1, in <module>
EOFError: EOF when reading a line
https://ideone.com/at2GS0
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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