More Problems

• Find the maximum number of pairs whose difference is less than or equal to a given value using two pointers.
• Find the longest subarray that contains at most k distinct elements using two pointers.
• Check if two strings are mirror images of each other using two pointers.
• Find the maximum length of a subarray that contains no duplicate elements using two pointers.
• Check if two arrays are permutations of each other using two pointers.
• Find the smallest subarray that contains all the elements of a given set using two pointers.
• Find the maximum product of k elements in an array using two pointers.
• Check if an array contains a subarray that sums to zero using two pointers.