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  1. #!/usr/bin/env python
  2. import sys
  3. from itertools import groupby
  4.  
  5. numbers = (n for line in sys.stdin for n in map(int, line.split()))
  6. next(numbers) # skip size
  7. max_same_count = max(sum(1 for _ in same) for _, same in groupby(numbers))
  8. print(max_same_count)
Success #stdin #stdout 0.01s 27664KB
stdin
4
5 5
5 1000
stdout
3