PROBLEM DESCRIPTION Given a string S containing only digits, Your task is to complete the function genIp() which returns a vector containing all possible combinations of valid IPv4 IP addresses an...

PROBLEM DESCRIPTION Given a string, find the minimum number of characters to be inserted to convert it to a palindrome. geeksforgeeks SOLUTION Good Explanation - takeUForward To understand how...

PROBLEM DESCRIPTION Given a string s, remove all its adjacent duplicate characters recursively. Note: For some test cases, the resultant string would be an empty string. In that case, the functio...

PROBLEM DESCRIPTION Given a string s, the objective is to convert it into integer format without utilizing any built-in functions. If the conversion is not feasible, the function should return -1....

PROBLEM DESCRIPTION You are given two strings str1 and str2. Your task is to find the length of the longest common substring among the given strings. geeksforgeeks SOLUTION APPROACH 1 - BRUTE F...

PROBLEM DESCRIPTION Given a string S. The task is to print all unique permutations of the given string that may contain dulplicates in lexicographically sorted order. geeksforgeeks SOLUTION BRU...

PROBLEM DESCRIPTION Given a string str, find the longest palindromic substring in str. Substring of string str: str[ i . . . . j ] where 0 ≤ i ≤ j < len(str). Return the longest palindromic sub...

PROBLEM DESCRIPTION Given a string S, find the length of the longest substring with all distinct characters. geeksforgeeks SOLUTION This can be solved using sliding window. Maintain a HashSet t...

PROBLEM DESCRIPTION Given a string in roman no format (s) your task is to convert it to an integer . Various symbols and their values are given below. I 1 V 5 X 10 L 50 C 100 D 500 M 1000 geeks...

PROBLEM DESCRIPTION Given two strings a and b. The task is to find if the string ‘b’ can be obtained by rotating (in any direction) string ‘a’ by exactly 2 places. geeksforgeeks SOLUTION class ...