Your task is to ask the user for a character input. Then, include the cctype built-in library and call the toupper() function. In case you do not know what this function is, this function has the following definition: Return type - int Name - toupper Parameter - one integer which represents the ASCII of a character Description - returns the ASCII of the uppercase equivalent of the character passed Extra note - even though it's function definition in the C++ Programming Language Documentation is int toupper(int ch), you can just pass a normal char variable instead and this will just be automatically typecasted/converted to its integer equivalent. Once you get the uppercase equivalent, print this out.
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#include <iostream>
#include <cctype>
using namespace std;
int main() {
char ch;
cout << "Enter a small letter: ";
cin >> ch;
ch = toupper(ch);
cout << "Uppercase = " << ch;
return 0;
}