More Problems

• Check if a string can be made palindrome by changing exactly one character using two pointers.
• Find the longest subarray where the sum of elements is divisible by a given value using two pointers.
• Check if two strings can be made identical by swapping exactly two characters using two pointers.
• Find the longest subarray with all elements greater than or equal to a target using two pointers.
• Check if two strings are anagrams by sorting and comparing using two pointers.
• Find the smallest subarray that contains all unique characters from the given string using two pointers.
• Check if a given array contains any duplicate elements within a k-distance using two pointers.
• Find the longest subarray that alternates between positive and negative integers using two pointers.