Repetition of k length substring
Easy Accuracy: 42.21% Submissions: 825 Points: 2

Given a string 's', your task is to complete the function checkString which returns true if it is possible to convert 's' to a string that is repetition of a substring with 'k' characters else returns false, where in order to convert we can replace one substring of length k with k characters.

Examples:

Input: str = "abcbedabcabc",  k = 3
Output: 1
Replace "bed" with "abc" so that the
whole string becomes repetition of "abc".

Input: str = "bcacbcac", k = 2
Output: 0

Input:
The first line of input contains an integer T denoting the no of test cases. Then T test cases follow. Each test case contains 2 lines. The first line of each test case contains a string s. The second line of each test case contains an integer n.

Output:
For each test case in a new line output will be 1 if it is possible to convert the string else 0.

Constraints:
1<=T<=100
1< |Length of string| <=100
1<=N<=10

Example(To be used only for expected output):
Input:

2
abcbedabcabc
3
bcacbcac
2
Output:
1
0