Topic: hashing-problem / Level: advanced

• 2051. Write a function to determine if two arrays are permutations of each other using hashing.
• 2052. Implement a program to find the first missing number in an unsorted array using a hash set.
• 2053. Create a function to find the maximum length of a substring with at most two distinct characters using hashing.
• 2054. Given a string, write a program to find the longest substring that contains all characters of another string using hashing.
• 2055. Write a function to find the number of valid words that can be formed from a list of characters using a hash map.
• 2056. Implement a program to check if a string can be rearranged to form a palindrome using a hash map.
• 2057. Create a function to find the total number of unique substrings in a given string using hashing.
• 2058. Write a function to count the number of pairs of elements that sum up to a given value using hashing.
• 2059. Given two strings, implement a function to check if they can be made equal with a single swap using hashing.
• 2060. Create a program to find the longest prefix that is also a suffix in a string using hashing.
• 2061. Write a function to find the count of distinct substrings of length k using a hash map.
• 2062. Implement a program to determine if two strings can be formed by rearranging characters of one another using hashing.
• 2063. Create a function to find the longest substring that can be formed by replacing characters using a hash map.
• 2064. Given a string, write a program to count the number of unique palindromic substrings using hashing.
• 2065. Write a function to find the number of distinct elements in a list of intervals using hashing.
• 2066. Implement a program to find the maximum product of three integers in an array using hashing.
• 2067. Create a function that checks if a string is a valid sequence of brackets using hashing.
• 2068. Given two arrays, write a program to find the maximum number of elements that can be chosen from both using hashing.
• 2069. Write a function to find the longest consecutive subsequence in an unsorted array using hashing.
• 2070. Create a program to check if a string can be formed by the concatenation of other strings from a list using hashing.
• 2071. Given a list of integers, implement a function to find the maximum sum of non-overlapping intervals using hashing.
• 2072. Write a function to count the number of distinct palindromes in a string using hashing.
• 2073. Create a program to find the minimum window substring that contains all characters of another string using hashing.
• 2074. Given a string, implement a function to find the longest substring that is not a rotation of another substring using hashing.
• 2075. Write a function to determine if a string can be segmented into words from a dictionary using hashing.
• 2076. Create a program to find the count of unique triplets in an array that sum up to a specific target using hashing.
• 2077. Given a string, write a program to check if it is a valid permutation of a palindrome using hashing.
• 2078. Implement a function to find the longest substring that contains exactly k unique characters using hashing.
• 2079. Create a program to count the occurrences of anagrams in a list of words using hashing.
• 2080. Write a function to find the maximum length of a palindrome that can be formed using characters of a string using hashing.
• 2081. Given a list of words, implement a function to group them based on their sorted character sequences using hashing.
• 2082. Create a program to check if a string can be made equal to another string with at most one character change using hashing.
• 2083. Write a function to find the longest substring that contains repeating characters with a hash map.
• 2084. Implement a program to find all unique pairs in an array that multiply to a specific target using hashing.
• 2085. Create a function to count the number of valid combinations of parentheses using hashing.
• 2086. Given two strings, write a program to check if they can be made equal by rearranging substrings using hashing.
• 2087. Write a function to find the minimum number of swaps required to sort an array using hashing.
• 2088. Create a program to find the maximum length of a subarray with a sum of zero using hashing.
• 2089. Given a string, implement a function to count the number of distinct permutations using hashing.
• 2090. Write a function to find the count of unique integers in a list of intervals using hashing.
• 2091. Create a program to check if a string can be rearranged to form a valid number using hashing.
• 2092. Given an array, write a program to find the maximum frequency of any element using a hash map.
• 2093. Implement a function to find the longest substring that contains at most two distinct characters using hashing.
• 2094. Create a program to find the first non-repeating integer in an array using a hash map.
• 2095. Write a function to determine if two arrays can be merged into a single array that contains unique elements using hashing.
• 2096. Given a string, write a program to count the number of distinct substrings of length k using hashing.
• 2097. Implement a function to check if a string can be rearranged to form a valid word using hashing.
• 2098. Create a program to find the maximum product of any two integers in an array using hashing.
• 2099. Write a function to count the number of unique palindromic substrings using hashing.
• 2100. Given a list of integers, implement a function to find the longest contiguous subarray that contains all distinct elements using hashing.

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