Important String Problems : Strings are everywhere in programming — from user input to text processing and coding interviews. Understanding common string problems will sharpen your problem-solving skills and prepare you for real-world coding challenges. Below are some fundamental string problems explained simply:
Important String Problems :
- Reverse a String
- Check whether a String is Palindrome or not
- Find Duplicate characters in a string
- Why strings are immutable in Java?
- Write a Code to check whether one string is a rotation of another
- Write a Program to check whether a string is a valid shuffle of two strings or not
- Count and Say problem
- Write a program to find the longest Palindrome in a string (Longest palindromic Substring)
- Find Longest Recurring Subsequence in String
- Print all Subsequences of a string
- Print all the permutations of the given string
- Split the Binary string into two substrings with equal 0’s and 1’s
- Word Wrap Problem [VERY IMP]
- EDIT Distance [Very Imp]
- Find next greater number with same set of digits [Very Very IMP]
- Balanced Parenthesis problem [Imp]
- Word break Problem [Very Imp]
- Rabin Karp Algorithm
- KMP Algorithm
- Convert a Sentence into its equivalent mobile numeric keypad sequence
- Minimum number of bracket reversals needed to make an expression balanced
- Count All Palindromic Subsequences in a given String
- Count of number of given string in 2D character array
- Search a Word in a 2D Grid of characters
- Boyer Moore Algorithm for Pattern Searching
- Converting Roman Numerals to Decimal
- Longest Common Prefix
- Number of flips to make binary string alternate
- Find the first repeated word in string
- Minimum number of swaps for bracket balancing
- Find the longest common subsequence between two strings
- Program to generate all possible valid IP addresses from given string
- Write a program to find the smallest window that contains all characters of string itself
- Rearrange characters in a string such that no two adjacent are same
- Minimum characters to be added at front to make string palindrome
- Given a sequence of words, print all anagrams together
- Find the smallest window in a string containing all characters of another string
- Recursively remove all adjacent duplicates
- String matching where one string contains wildcard characters
- Function to find Number of customers who could not get a computer
- Transform One String to Another using Minimum Number of Given Operations
- Check if two given strings are isomorphic to each other
- Recursively print all sentences that can be formed from list of word lists
Mr. Raj Kumar is a highly experienced Technical Content Engineer with 7 years of dedicated expertise in the intricate field of embedded systems. At Embedded Prep, Raj is at the forefront of creating and curating high-quality technical content designed to educate and empower aspiring and seasoned professionals in the embedded domain.
Throughout his career, Raj has honed a unique skill set that bridges the gap between deep technical understanding and effective communication. His work encompasses a wide range of educational materials, including in-depth tutorials, practical guides, course modules, and insightful articles focused on embedded hardware and software solutions. He possesses a strong grasp of embedded architectures, microcontrollers, real-time operating systems (RTOS), firmware development, and various communication protocols relevant to the embedded industry.
Raj is adept at collaborating closely with subject matter experts, engineers, and instructional designers to ensure the accuracy, completeness, and pedagogical effectiveness of the content. His meticulous attention to detail and commitment to clarity are instrumental in transforming complex embedded concepts into easily digestible and engaging learning experiences. At Embedded Prep, he plays a crucial role in building a robust knowledge base that helps learners master the complexities of embedded technologies.
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