Program code: // Recursive C++ program to count the total // number of vowels using recursion #include<cstdlib> #include<iostream> using namespace std; // Function to check the Vowel bool isVowel ( char ch) { // make the letter upper case ch = toupper(ch); // check the vowels return (ch=='A' || ch=='E' || ch=='I' || ch=='O' || ch=='U'); } // to count total number of vowel from 0 to n int countVovels (string str, int n) { //if n is equal to 1 if (n == 1 ) //return the value return isVowel(str[n- 1 ]); //call the function countVovels return countVovels(str, n- 1 ) + isVowel(str[n- 1 ]); } // Main Calling Function int main () { // string object string str = "abcde"; //get the length of the string int len; len=str.size(); //call the method countVovels() int v=countVovels(str, str.length()); int c; // Total numbers of Vowel cout << "no of vowels"<<countVovels(str, str...

Question

3. Examine the pseudocode below, then find and correct all the bugs. // A high school is holding a recycling competition, and this program // allows a user to enter a student's year in school (1 through 4) and // number of cans collected for recycling. Data is entered continuously // until the user enters a 9 for the year. After headings, output is four // lines -- one for each school year class. Find and fix all bugs. start Declarations num year num cans num SIZE = 0 num QUIT = “999” num collectedArray[SIZE] = 0, 0, 0 string HEAD1 = "Can Recycling Report" string HEAD2 = "Year Cans Collected” output "Enter year of student or ", QUIT, " to quit " output year while year not QUIT output "Enter number of cans collected " input cans collectedArray[year] = collectedArray[year] + cans output "Enter year of student or ", QUIT, " to quit " output year endwhile output HEAD1 and HEAD2 year = 1 while year <…

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Chapter 3, Problem 21C

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Program code:

// Recursive C++ program to count the total

// number of vowels using recursion

#include<cstdlib>

#include<iostream>

using namespace std;

// Function to check the Vowel

bool isVowel(char ch)

{

// make the letter upper case

ch = toupper(ch);

// check the vowels

return (ch=='A' || ch=='E' || ch=='I' ||

ch=='O' || ch=='U');

}

// to count total number of vowel from 0 to n

int countVovels(string str, int n)

{

//if n is equal to 1

if (n == 1)

//return the value

return isVowel(str[n-1]);

//call the function countVovels

return countVovels(str, n-1) + isVowel(str[n-1]);

}

// Main Calling Function

int main()

{

// string object

string str = "abcde";

//get the length of the string

int len;

len=str.size();

//call the method countVovels()

int v=countVovels(str, str.length());

int c;

// Total numbers of Vowel

cout << "no of vowels"<<countVovels(str, str...

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