AtCoder Beginner Contest 175
A
Rainy Season
AtCoder
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原题
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Problem Statement

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We have weather records at AtCoder Town for some consecutive three days. A string of length $3$, $S$, represents the records - if the $i$-th character is S, it means it was sunny on the $i$-th day; if that character is R, it means it was rainy on that day.

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Find the maximum number of consecutive rainy days in this period.

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Constraints

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  • $|S| = 3$
  • Each character of $S$ is S or R.
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Input

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Input is given from Standard Input in the following format:

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S

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Output

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Print the maximum number of consecutive rainy days in the period.

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样例

Input #1
RRS
Output #1
2
We had rain on the $1$-st and $2$-nd days in the period. Here, the maximum number of consecutive rainy days is $2$, so we should print $2$.
Input #2
SSS
Output #2
0
It was sunny throughout the period. We had no rainy days, so we should print $0$.
Input #3
RSR
Output #3
1
We had rain on the $1$-st and $3$-rd days - two "streaks" of one rainy day, so we should print $1$.
题目信息
题号
abc175_a
时间限制
2 s
内存限制
1024 MB

题面与样例版权归 AtCoder 及出题人所有;中文翻译由 AI 生成(CI 管线),如有出入请以原文为准。