![]() Understanding these strategies allows programmers to optimize the execution of their code and effectively handle strings. ![]() Both ways are effective, and the choice is based on the programmer’s preferences and the program’s requirements. The recursion technique checks if the first letter of the string is a vowel and then continues recursively until the end of the string is reached. The while loop method iterates through the string, examining each character to see if it is a vowel. The paper suggested two approaches to completing this task: a while loop and recursion. Output Terminal Number of vowels in the string: 2įinally, counting the number of vowels in a string is a typical task in C programming that may be beneficial in a variety of situations. Printf("Number of vowels in the string: %d", numVowels) // print result Int numVowels = countVowels(string, length) // call function to count vowels Return countVowels(string + 1, length - 1) įgets(string, sizeof(string), stdin) // get input from user Return 1 + countVowels(string + 1, length - 1) Int countVowels(char string, int length)Įlse if(string = 'a' || string = 'e' || string = 'i' || string = 'o' || string = 'u' || string = 'A' || string = 'E' || string = 'I' || string = 'O' || string = 'U') // check if first character is a vowel
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