biggest
and secondBiggest
to the minimum possible integer value.smallest
and secondSmallest
to the maximum possible integer value.num
in nums
.
num
is greater than biggest
, update secondBiggest
to biggest
and biggest
to num
.num
is greater than secondBiggest
, update secondBiggest
to num
.num
is less than smallest
, update secondSmallest
to smallest
and smallest
to num
.num
is less than secondSmallest
, update secondSmallest
to num
.biggest
and secondBiggest
minus the product of smallest
and secondSmallest
.