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20 lines
390 B
Python
20 lines
390 B
Python
def atoi(x):
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if x == '':
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return 0
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else:
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return int(x)
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_ = int(input())
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s = input()
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n = len(s)
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l = r = n // 2
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while l >= 0 and s[l] == '0':
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l -= 1
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while r < n and s[r] == '0':
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r += 1
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if l == r:
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print(min(atoi(s[:sp]) + atoi(s[sp:]) for sp in [n // 2, (n + 1) // 2]))
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else:
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print(min(atoi(s[:sp]) + atoi(s[sp:]) for sp in [l, r]))
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