Given an integer n. Find a string of characters ‘a’ and ‘b’ such that the string doesn’t contain any palindrome of length 3.
Input : 3 Output : "aab" Explanation: aab is not a palindrome. Input : 5 Output : aabba Explanation: aabba does not contain a palindrome of size 3.
The approach here is that we can use this string ‘aabb’ and print the characters of the string according to the given integer.
We need to make make sure that every third character is different. If we perform operation AND on i and 2 where i = 0 to any positive integer. It will generate a pattern 0, 0, 2, 2, 0, 0, 2, 2,... 0 AND 2 = 0 1 AND 2 = 0 2 AND 2 = 2 3 AND 2 = 2 4 AND 2 = 0 //repeat the pattern.
Below is the code of above approach.
aabba aabbaabb aabbaabbaa
- Number of ways to make binary string of length N such that 0s always occur together in groups of size K
- Minimum length of the sub-string whose characters can be used to form a palindrome of length K
- Maximum even length sub-string that is permutation of a palindrome
- Check if string can be rearranged so that every Odd length Substring is Palindrome
- Check if a binary string contains all permutations of length k
- Generate all binary strings of length n with sub-string "01" appearing exactly twice
- Number of sub-sequences of non-zero length of a binary string divisible by 3
- Length of longest consecutive ones by at most one swap in a Binary String
- Maximum length of consecutive 1's in a binary string in Python using Map function
- Nth Even length Palindrome
- Sum of first K even-length Palindrome numbers
- Length of the longest substring that do not contain any palindrome
- Total number of odd length palindrome sub-sequence around each centre
- Maximum length palindrome that can be created with characters in range L and R
- Convert the string into palindrome string by changing only one character.
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