lvalue required as increment operand error

Question

#include 

int main()
{
   int i = 10;
   printf(\"%d\\n\", ++(-i)); // <-- Error Here
}

What is wrong with ++(-i)?

Answer 1

Try this instead:

#include 

int main()
{
   int i = 10;
   printf("%d\n", (++i) * -1);
}