The____ function returns the length of a string .

The ________ function returns no value. a) malloc() b) realloc() c) free() d) calloc()

C++ programming

Imagine two entities A and B, each of which has the property X (among other names not relevant to this topic) among other properties. Can the design improve without connecting the two Xs?

C++ CODE    small code, allow user to enter string, determind if the prodivied string is a palindrome. inform the user of the result pls help

Utilizing an instance of a string object may help you locate the substring.

Accessing a single character out of a string is called:a) slicing b) concatenation c) assignment d) indexing

// Airline.cpp - This program determines if an airline passenger is  // eligible for a 25% discount.  #include <iostream> #include <string> using namespace std; int main()  {    string passengerFirstName = ""; // Passenger's first name    string passengerLastName = "";  // Passenger's last name    int passengerAge = 0;     // Passenger's age    // This is the work done in the housekeeping() function    cout << "Enter passenger's first name: ";    cin >> passengerFirstName;    cout << "Enter passenger's last name: ";    cin >> passengerLastName;    cout << "Enter passenger's age: ";    cin >> passengerAge;       // This is the work done in the detailLoop() function      // Test to see if this customer is eligible for a 25% discount             // This is the work done in the endOfJob() function    return 0; }

What header file must you include in order to use string objects?