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Jun 17th, 2019
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Python 0.19 KB | None | 0 0
  1. a=input()
  2. a=a.replace('()','L')
  3. op=0
  4. m=len(a.replace('L', ''))//2
  5. for c in a:
  6.     if c == '(':
  7.         op += 1
  8.     elif c == ')':
  9.         op -= 1
  10.     else:
  11.         m += op
  12. print(m)
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