More Problems

• Check if a string is a palindrome by ignoring non-alphanumeric characters using two pointers.
• Find the minimum number of operations to make an array strictly increasing using two pointers.
• Find the longest contiguous subarray that alternates between positive and negative numbers using two pointers.
• Check if a string can be segmented into two palindrome substrings using two pointers.
• Find the longest subarray where all elements are unique using two pointers.
• Check if an array contains two consecutive duplicates using two pointers.
• Find the maximum difference between the sum of elements in two subarrays using two pointers.
• Check if a string can be made palindrome by swapping at most one pair of characters using two pointers.