Topic: hashing-problem / Level: intermediate

• 1051. Write a program to find the common elements in two arrays using a hash map.
• 1052. Given a list of integers, write a function to find the minimum difference between any two elements using hashing.
• 1053. Implement a function to find the number of valid email addresses in a list using hashing.
• 1054. Create a program to count the number of valid words in a sentence using a hash map.
• 1055. Write a function to find the longest consecutive sequence of numbers in an array using hashing.
• 1056. Given two strings, implement a function to determine if they are anagrams using sorting and hashing.
• 1057. Create a program to find the total number of digits in a string using hashing.
• 1058. Write a function to determine if two arrays have any elements in common using hashing.
• 1059. Implement a function to find the maximum length of a substring with at most one repeating character using hashing.
• 1060. Create a program that checks if a string is a valid identifier using a hash table.
• 1061. Write a function to find the longest substring that contains the same character using hashing.
• 1062. Given a list of integers, write a program to find the count of negative numbers using a hash map.
• 1063. Implement a function to find the frequency of each letter in the English alphabet in a string using a hash map.
• 1064. Create a program that checks if a string can be rearranged to form a palindrome using hashing.
• 1065. Write a function to determine the maximum length of a subarray with distinct elements using hashing.
• 1066. Given two strings, implement a function to check if one string is a substring of another using hashing.
• 1067. Create a program to count the number of vowels in a string using a hash map.
• 1068. Write a function to find the maximum frequency of any character in a list of strings using hashing.
• 1069. Implement a program to find the common characters in two strings using a hash map.
• 1070. Create a function to count the number of characters that appear in both strings using hashing.
• 1071. Given a list of integers, write a function to find the minimum number of unique elements using a hash set.
• 1072. Write a program to find the longest sequence of unique numbers in an array using hashing.
• 1073. Implement a function to check if a string is a valid UUID using hashing.
• 1074. Create a program to count the occurrences of a specific word in a sentence using a hash map.
• 1075. Write a function to find the maximum product of two numbers in an array using hashing.
• 1076. Given an array of integers, write a program to determine if the array can be partitioned into two subsets with equal sums using hashing.
• 1077. Implement a function to find the longest substring that contains only digits using hashing.
• 1078. Create a program to check if a string can be transformed into a palindrome using hashing.
• 1079. Write a function to count the total number of consonants in a string using a hash map.
• 1080. Given two strings, implement a function to check if one string is a permutation of the other using hashing.
• 1081. Create a program to find the total number of unique digits in a string using hashing.
• 1082. Write a function to determine the maximum length of a contiguous subarray that sums to zero using hashing.
• 1083. Implement a function to find the frequency of each digit in a number using a hash map.
• 1084. Create a program to check if two arrays have the same frequency of elements using hashing.
• 1085. Write a function to find the total number of characters in a string ignoring spaces using hashing.
• 1086. Given an array of integers, write a program to find the count of triplets that sum to a specific target using hashing.
• 1087. Implement a function to find the first non-repeating character in a list of strings using hashing.
• 1088. Create a program to check if a string contains all the letters of the alphabet using hashing.
• 1089. Write a function to count the number of valid identifiers in a list of strings using hashing.
• 1090. Given a list of numbers, write a program to find the maximum product of two distinct elements using hashing.
• 1091. Implement a function to check if a string can be split into two palindromes using hashing.
• 1092. Create a program to find the count of characters that appear more than once in a string using a hash map.
• 1093. Write a function to find the maximum sum of non-adjacent elements in an array using hashing.
• 1094. Given two strings, implement a function to check if they are equal when case is ignored using hashing.
• 1095. Create a program to find the length of the longest prefix which is also a suffix in a string using hashing.
• 1096. Write a function to count the number of distinct pairs that sum to a target value using a hash map.
• 1097. Implement a function to find the longest substring of unique characters in a string using hashing.
• 1098. Create a program to check if a string is a valid palindrome using hashing.
• 1099. Write a function to find the number of unique words in a paragraph using hashing.
• 1100. Given a list of integers, write a program to determine if there exists a majority element using hashing.

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