In memory, C++ automatically places a(n) __________ at the end of string literals which __________.

The term _________ parallelism refers to the degree to which, on average, the instructions of a program can be executed in parallel.

Fill in the blank(s) with the appropriate word(s).

Write a function that counts the number of letters in the string using the following header:

int countLetters(const char s[]) Write a test program that reads a C-string and displays the number of letters in the string. Here is a sample run of the program: ```

Enter a string: 2010 is coming The number of letters in 2010 is coming is 8 ```