Replace any alphabetic character with '_' in 2-character string passCode. Ex: If passCode is "9a", output is: 9_ Hint: Use two if statements to check each of the two characters in the string, using...

Replace any alphabetic character with '_' in 2-character string passCode. Ex: If passCode is "9a", output is:

9_

Hint: Use two if statements to check each of the two characters in the string, using isalpha().

#include


#include


#include


using namespace std;

int main() {


string passCode;

cin >> passCode;

/* Your solution goes here */

cout < passcode=""><>


return 0;


}

Please help me with the character operations problem in C++.