Position of the last zero
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Gửi bài giải
Điểm:
1,00 (OI)
Giới hạn thời gian:
1.0s
Giới hạn bộ nhớ:
256M
Input:
stdin
Output:
stdout
Nguồn bài:
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Ngôn ngữ cho phép
C, C++, Java, Kotlin, Pascal, PyPy, Python, Scratch
Given a string ~S~ consisting only of the digits ~0~ and ~1~. It is known that all ~0~ precede all ~1~ in the string ~S~. Determine the position of the last ~0~ in the sequence.
Input:
- A string ~S~ (length of ~S \leq 5×10^6~ ) containing only the digits ~0~ and ~1~. The string always contains at least one ~0~ and one ~1~.
Output:
- An integer representing the position of the last ~0~ in the sequence.
Sample Input
000111
Sample Output
3
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