EXPLAIN HOW OUTPUT IS 80

Question

int main
{
int a=2;
cout<<++a*++a*++a;
return 0;
}

Answer 1

well it's output is compiler dependent different compiler give different output
in this possibly the code is do like this
a=2;
cout<<(++a*++a) *++a;
so in parenthesis when value is incremented last incremented value is the value of variable which is 4
cout<<(4*4) *5;
so in parenthesis when value is incremented last incremented value is the value of variable a
first increment a become 3
second increment a become 4
so 4 is the value of a then next time increment then a become 5
after the parenthesis
so expression is make 4*4*5 which is equal to 80
here is a similar thread by which you will found some more information
https://www.sololearn.com/Discuss/1190633/?ref=app

Answer 2

oops.
my answer is wrong but it works in the same way

Answer 3

wait for some time i will ask it to my expert friend

Answer 4

Thanks GAWEN STEASY

Answer 5

a is
now ++a(3)*++a(4)*++a(5)
means 3*4*5 which is equal to 80

Answer 6

3*4*5=60 raj chatrala

Answer 7

how bro

Answer 8

Thanks GAWEN STEASY