CHALLENGE ACTIVITY 3.14.2: Alphabetic replace 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() 1 test passed V All tests 1 #include 2 #include 3 #include 4 using namespace std; 5 6 int main() { 7 string passCode; 8 9 cin >> passCode; 10 11 V* Your solution goes here */ 12 13 cout