题目描述
There is a string, $unrecognized$, of lowercase English letters that is repeated infinitely many times. Given an integer, $unrecognized$, find and print the number of letter a's in the first $unrecognized$ letters of the infinite string.
Example
$unrecognized$
$unrecognized$
The substring we consider is $unrecognized$, the first $unrecognized$ characters of the infinite string. There are $unrecognized$ occurrences of a in the substring.
Function Description
Complete the repeatedString function in the editor below.
repeatedString has the following parameter(s):
s: a string to repeat
n: the number of characters to consider
Returns
int: the frequency of a in the substring
Input Format
The first line contains a single string, $unrecognized$.
The second line contains an integer, $unrecognized$.
Constraints
$unrecognized$
$unrecognized$
For $unrecognized$ of the test cases, $unrecognized$.
Sample Input
Sample Input 0
aba
10
Sample Output 0
7
Explanation 0
The first $unrecognized$ letters of the infinite string are abaabaabaa. Because there are $unrecognized$ a's, we return $unrecognized$.
Sample Input 1
a
1000000000000
Sample Output 1
1000000000000
Explanation 1
Because all of the first $unrecognized$ letters of the infinite string are a, we return $unrecognized$.
输入格式
见题面
输出格式
见题面