In Contest Analysis for Distributed Round 2. for Problem C
seems like Pseudo code is wrong
Original
-----------
x = 0
for each character c in position i in the input:
if c == '(':
x = x + 1
else
x = x - 1
if x < 0: return i
if x == 0:
return the length of the input
else:
return -1
------------
It should be
-------------
...
if x == 0:
return -1
else:
return the length of the input
-------------
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