5. Write a C++ function which accepts an int array and the array size as arguments.  The function should dynamically create a new array which is the same size as the array passed in.  Each element in the new array should be double the corresponding element in the array passed in.  Return a pointer to the new array.  E.g. if you pass in the array {2, -3, 5} of size 3, it should create a new array of size 3 with values {4, -6, 10} and return a pointer to it. int *doubler(int a[], int size)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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5. Write a C++ function which accepts an int array and the array size as arguments.  The function should dynamically create a new array which is the same size as the array passed in.  Each element in the new array should be double the corresponding element in the array passed in.  Return a pointer to the new array. 

E.g. if you pass in the array {2, -3, 5} of size 3, it should create a new array of size 3 with values {4, -6, 10} and return a pointer to it.

int *doubler(int a[], int size)

 

 

6. Consider the following line of code:

  int temps[3] = {68, 72, 62};

- What does *temps contain?

- What does *(temps+1) contain?

- What does temps[1] contain?

 

 

7.  The _____ function returns true if the character is an upper case letter of the alphabet:

a) toupper()   b) isupper()   c) isalpha()   d) isdigit()  e) none of these

 

 

8.  The _____ function converts a C-string to an int:

a) strlen()   b) length()  c) len() d) atoi()   e) none of these

 

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