input#1:

3
a\b\c
a\b\c
b

output#1:

a
_b
__c
b

input#2:
9
a
a\b
a\b\c
a\b\c
a\b\c\d
b\f
b\f\e
b\f\d
b\e

output#2:

a
_b
__c
___d
b
_e
_f
__d
__e

input#3:
3
a
a\b\c\d\e\f
a\b\r\t\p

output#3:
a
_b
__c
___d
____e
_____f
__r
___t
____p

input#4:
4
a\b
b\a
a\c\d
a\c\e

output#4:
a
_b
_c
__d
__e
b
_a


input#5:
4
a
a\b\c\d\e
b\f\e\t
a\b\p

output#5:
a
_b
__c
___d
____e
__p
b
_f
__e
___t

Edited by author 01.10.2007 23:38

Edited by author 01.10.2007 23:42

Edited by author 01.10.2007 23:46

Yeah, your tests are absolutelly correct... caz my AC solution has the same outputs....
try this test
1
ab\c\d\e

my be it'll help...

4
a\baba
a\bab
a\babab
a\bab\ba


a
 bab
  ba
 baba
 babab

MR.qo`y yaxshiroq test yoz

thank you very much for the tests