void main()
{
int a=0;
printf(“%d”,a–); output =0 // the output of this statement is 0.
printf(“%d”,a– – a–); // here in this example of decrement operator in first varible we dont do any changes we keep the value of first variable as well.but in the 2nd variable same variable the post decrement variable is executed.
=>0 – (-1)
=>0+1
=>1
output =1
printf(“%d”,a– + a–);
=>0 + (-1)
=>-1
=>output = -1.
}