Apr 13, 2024 · Given string str containing only the lowercase English alphabet and an integer K, the task is to find a K length substring that contains the maximum number of vowels (i.e. 'a', …

Nov 5, 2021 · Try the following: def find_substr(s, k): substrings = [s[i:i+k] for i in range(len(s) - k + 1)] # list of substrings # vowels = [sum(c in 'aeiou' for c in s) for s in substrings] # print(vowels) …

The basic idea is simple: for each starting index, find the least ending index such that the substring contains all of the necessary letters. The trick is that the least ending index increases …

Jul 31, 2023 · To quickly determine the size of the shortest substring that contains every vowel in each string, use the sliding window approach. The method makes use of two pointers, …

Jul 23, 2022 · Given string str consisting of only lowercase English alphabets, the task is to find the substring of the smallest length which contains all the vowels. If no such substring is found, …

Mar 8, 2024 · In this code, the optimized_brute_force function iterates over the lengths of potential substrings starting from 1 and ending at the length of the input string s. For each length, we …

Nov 20, 2020 · Given a string s, I want to find the substring of length k which contains the maximum number of vowels among the list ["a", "e", "i", "o", "u"] The user gets to input the …

Jan 15, 2025 · Let's explore various methods to extract substrings of length k from a given string in Python. List comprehension is the most efficient and concise way to extract substrings. It …

Oct 12, 2012 · To return the shortest matching substring, use sorted(s1, key=len)[0]. Full example: print sorted(s1, key=len)[0] print min(s1, key=len) # as suggested by Nick Presta. …

Feb 14, 2023 · Given a string S and a number K. The task is to find the minimum length substring having exactly K distinct characters. Note: The string S consists of only lowercase English …