Create a temp string and store concatenation of str1 to str1 in temp. temp = str1.str1 If str2 is a substring of temp then str1 and str2 are rotations o

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Code_Program to check if strings are rotations of each other or not?

Approach

  1. Create a temp string and store concatenation of str1 to str1 in temp. temp = str1.str1
  2. If str2 is a substring of temp then str1 and str2 are rotations of each other.

Example:
str1 = "ABACD" str2 = "CDABA".

 

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