tiny question

[asdfgh4600]

hey everyone,
am i required to use function other than main in this question or return this values in main ? (I've already solve it)

Write a C++ program that takes a NxN 2-dimensional square
array of integers. If the summation of all array elements is odd, the function returns the
summation of the elements in the 2 diagonals of the array, otherwise it returns -1.

[Codermik]

the function returns the summation of the elements in the 2 diagonals of the array, otherwise it returns -1.

Yes

[asdfgh4600]

so if i'm required to use function the code will look like this ?



int main()
{
function call (......)
}


other_function(.......)
{
if (even)
return -1
else
return sum
}

[Codermik]

Yeah

If its even, return -1 otherwise return the result.

[Texan40]

return function call (.....)

[Codermik]

Yeah as Texan40 said, remember that your function should return a value so it should be declared as such. :)

[asdfgh4600]

texan 40

do u mean that i have to write my function call on the main return like this ?


int main()
{
return function call (......)
}

[Texan40]

Yes, that's what I mean.

[asdfgh4600]

thanks a lot :))

[dhayden]

int main()
{
return function call (......)
}

How will you know what was returned from main? Also, on some UNIX systems, only the least significant 7 bits of the return code are actually returned to the parent process. I think you may want:
cout << function_call(...) << '\n';
instead.

[Codermik]

You need to declare the function as such to define its return type.

In this example my function returns an integer, the type is declared before someFunction

#include <iostream>

int someFunction();

int main()
{
	int result;

	result = someFunction();
	std::cout << result;
	return 0;
}

int someFunction()
{
	return 255;  // just some example.
}