fork(1) download
  1. from sys import stdin
  2.  
  3. tokens = stdin.read().split()
  4. n = int(tokens[0])
  5. islands = 0
  6. old_type = ""
  7. for island in tokens[1:n + 1]:
  8. if island != old_type:
  9. islands += 1
  10. old_type = island
  11.  
  12. print islands
Success #stdin #stdout 0.02s 44680KB
stdin
3
10
10
10
stdout
1