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#include <stdio.h>

int timeten(int x);

int main(void)
{
int number = 10;
int x = timeten(number);
printf("\n\n%i\n\n",x);
}

Hello!

main is the principal structure of any C++ program it normaly have 3 part, usually you will see it like this

int main(void)
{
your code here
return 0
}

Hello!

The scope of a variable mean wher in the program your variable will be accessible to your code. Depending where it is declare the scope will vary,if you declare it into a function it will...

Stdio.h is a librairy of c++ standard IO function by adding #include <stdio.h> at the beginning of your code give you access to all those function in your code.

For example printf, scanf etc are...

Hello!

Here a snip set of code in c++ that ask for a lower case letter and make it Capital you should have what you need in there. Good luck.

#include <stdio.h>



int main(int argc, char*...