// HelloWorld.c
include <stdio.h> // standard I/O (input/output)
// so that we can use printf
int main (int argc, const char * argv[]) {
printf("Hello, World!\n"); // that "\n"...
// this is a single line comment
/* this
is
a
multi-line comment */
include // header file needed to print
using namespace std; // instead of having to write std::cout
// the main...