Question

trouble with formatting titles :( Your friend is in charge of recording titles of books in the library they work in. Since they know you're in EECS 183, they've asked you to write a function that turns a lowercase string into Title Case format. This way, they can use the function to correctly format the titles without having to worry about capitalizing anything themselves. The function you will implement is stringToTitleCase, which takes a lowercase string str as input and returns a string that is identical to str except each word begins with an uppercase letter. While implementing this function, feel free to use our predefined toupper() function. A description of its functionality can be found below: Syntax; char toupper(char ch); Parameter: This method takes a mandatory parameter ch which is the character to be converted to uppercase. Return Value: This function returns the uppercase character corresponding to the ch. Example Usage: char lowercaseChar 'e'; cout << toupper(lowercaseChar); - This line prints E

Answer 1

Program:

#include <iostream>
using namespace std;

/**
* REQUIRES: str must contain all lowercase letters
* MODIFIES: nothing
* EFFECTS: Returns a string identical to str formatted in
* Title Case
*/
string stringToTitleCase(string str) {
// Implement this function
string tmp = str;
tmp[0] = toupper(tmp[0]);
for(int i=1; i<tmp.size(); i++)
{
if(tmp[i-1]==' ' && tmp[i]!=' ')
tmp[i] = toupper(tmp[i]);
}
return tmp;
}

int main() {
cout << stringToTitleCase("hello") << endl;
cout << stringToTitleCase("look! i'm a title!") << endl;
}

Output:

Hello Look! I'm A Title!

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