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  1. #task - №133
  2. n, m = [int(x) for x in input().split()]
  3. row, col = [int(x) for x in input().split()]
  4.  
  5. if n < 1 or m < 1 or row > n or col > m or row < 1 or col < 1:
  6. 	print('invalid input params')
  7. 	exit(0)
  8.  
  9.  
  10. r = (row - 1) * m
  11. if row % 2 == 0:
  12. 	r += (m - col + 1)
  13. else:
  14. 	r += col
  15.  
  16. print(r)
  17.  
Success #stdin #stdout 0.02s 27712KB
comments (?)
stdin 
2 4
1 4
stdout 
4
https://ideone.com/rt0Wcw
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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