12 lines
237 B
Python
12 lines
237 B
Python
if __name__ == "__main__":
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s = input()
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cnt = 0
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temp = 0
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for i in range(1, len(s) - 1):
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if s[i : i + 2] == "))":
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cnt += temp
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elif s[i - 1 : i + 1] == "((":
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temp += 1
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print(cnt)
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