Topic: hashing-problem / Level: advanced

• 2951. Given two strings, implement a function to check if they can be transformed into a valid word using hashing.
• 2952. Create a program to count the occurrences of each character in a string using a hash map.
• 2953. Write a function to check if a string can be transformed into a valid number using hashing.
• 2954. Given two strings, implement a function to find the longest common substring using a hash table.
• 2955. Create a program to find the total number of unique characters in a string using hashing.
• 2956. Write a function to find the longest substring that contains the same character using hashing.
• 2957. Implement a function to check if two arrays can be rearranged to form a valid word using hashing.
• 2958. Given a string, write a program to count the occurrences of each character using a hash map.
• 2959. Create a program to find the maximum frequency of any digit in a number using a hash map.
• 2960. Write a function to find the longest substring that is a palindrome using hashing.
• 2961. Given two strings, implement a function to check if they can be transformed into a valid word using hashing.
• 2962. Create a program to check if two strings can be rearranged to form a valid palindrome using hashing.
• 2963. Write a function to count the total number of unique characters in a string using hashing.
• 2964. Implement a function to find the longest substring that contains exactly k distinct characters using hashing.
• 2965. Given an array of integers, write a program to count the occurrences of each digit in a number using hashing.
• 2966. Create a program to find the frequency of each letter in the English alphabet in a string using a hash map.
• 2967. Write a function to check if a string can be transformed into a valid number using hashing.
• 2968. Given a string, implement a function to find the total number of unique words in a paragraph using hashing.
• 2969. Create a program to find the longest substring that contains all distinct characters using hashing.
• 2970. Write a function to check if two strings can be rearranged to form a valid word using hashing.
• 2971. Create a program to find the longest substring that is a palindrome using hashing.
• 2972. Write a function to count the occurrences of each digit in a number using hashing.
• 2973. Given two strings, implement a function to check if they can be transformed into a valid word using hashing.
• 2974. Create a program to count the total number of unique characters in a string using hashing.
• 2975. Write a function to find the maximum frequency of any character in a string using a hash map.
• 2976. Given an array of integers, write a program to count the total number of odd numbers using a hash set.
• 2977. Implement a function to find the longest substring with at least one repeating character using hashing.
• 2978. Create a program to check if two arrays can be rearranged to form a valid word using hashing.
• 2979. Write a function to find the frequency of each character in a string using a hash map.
• 2980. Given a string, implement a function to check if it can be transformed into a valid number using hashing.
• 2981. Create a program to count the occurrences of each character in a string using a hash map.
• 2982. Write a function to check if two strings can be rearranged to form a valid palindrome using hashing.
• 2983. Given two strings, implement a function to check if they can be rearranged to form a valid word using hashing.
• 2984. Create a program to find the maximum product of any two numbers in an array using hashing.
• 2985. Write a function to determine if two arrays have the same frequency of elements using hashing.
• 2986. Given a string, implement a function to find the longest substring that contains exactly k distinct characters using hashing.
• 2987. Create a program to check if a string can be transformed into a valid number using hashing.
• 2988. Write a function to find the total number of unique characters in a string using hashing.
• 2989. Implement a function to check if two strings can be transformed into a valid word using hashing.
• 2990. Given a string, create a program to count the occurrences of each character using a hash map.
• 2991. Write a function to check if two strings can be rearranged to form a valid palindrome using hashing.
• 2992. Given two strings, implement a function to find the longest common substring using a hash table.
• 2993. Create a program to check if a string can be transformed into a valid number using hashing.
• 2994. Write a function to find the longest substring that contains all distinct characters using hashing.
• 2995. Implement a function to find the total number of unique characters in a string using a hash map.
• 2996. Create a program to count the occurrences of each digit in a number using hashing.
• 2997. Write a function to find the maximum frequency of any character in a string using a hash map.
• 2998. Given two strings, implement a function to check if they can be transformed into a valid word using hashing.
• 2999. Create a program to find the frequency of each letter in the English alphabet in a string using a hash map.
• 3000. Write a function to determine if two strings can be transformed into a valid palindrome using hashing.

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