#AT1246. B - String Rotation
B - String Rotation
B - String Rotation
Score : $200$ points
Problem Statement
You are given string $S$ and $T$ consisting of lowercase English letters.
Determine if $S$ equals $T$ after rotation.
That is, determine if $S$ equals $T$ after the following operation is performed some number of times:
Operation: Let $S = S_1 S_2 ... S_{|S|}$. Change $S$ to $S_{|S|} S_1 S_2 ... S_{|S|-1}$.
Here, $|X|$ denotes the length of the string $X$.
Constraints
- $2 \leq |S| \leq 100$
- $|S| = |T|$
- $S$ and $T$ consist of lowercase English letters.
Input
Input is given from Standard Input in the following format:
Output
If $S$ equals $T$ after rotation, print Yes
; if it does not, print No
.
kyoto
tokyo
Yes
- In the first operation,
kyoto
becomesokyot
. - In the second operation,
okyot
becomestokyo
.
abc
arc
No
abc
does not equal arc
after any number of operations.
aaaaaaaaaaaaaaab
aaaaaaaaaaaaaaab
Yes
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