fork download
  1. # your code goes hereimport sys
  2. #sys.stdin=open("in","r")
  3. for i in range(1,2):
  4. n=int(raw_input())
  5. print n
  6. s=raw_input()
  7. print s
  8. assert s.isalpha()
  9. ans=0
  10. for i in range(0,26):
  11. for j in range(0,26):
  12. print "here"
  13. if i==j:
  14. continue
  15. p1 = i
  16. p2 = j
  17. flag = 1
  18. l = 0
  19. for c in s:
  20. if ord(c)-ord('a')!=p1 and ord(c)-ord('a')!=p2:
  21. continue
  22. if ord(c)-ord('a') == p1:
  23. l = l + 1
  24. p1,p2 = p2,p1
  25. else:
  26. flag = 0
  27. if flag == 1 and l>1:
  28. ans=max(ans,l)
  29.  
  30. print ans
Success #stdin #stdout 0.01s 23352KB
stdin
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beabeefeab
stdout
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