Question

i need C++ program with possible comments what is going on,(a) Write a program that reads a char as input, and determines if it is a lowercase letter, uppercase letter, a digit or something else (call the last one a special character).

Answer 1

#include <iostream>
using namespace std;

int main() {
  
// taking user input
char b;
cout << "Enter a character: ";
cin >> b;
  
// upper case
if(b >= 'A' && b <= 'Z')
cout << "It is an upper case letter";
  
// lower case
else if(b >= 'a' && b <= 'z')
cout << "It is a lower case letter";
  
// digit
else if(b >= '0' && b <= '9')
cout << "It is a digit";
  
// others
else
cout << "It is a special character";
}

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