Main () {INT N, I; For (i = 1, n = 1; i <= 9; i ) n = (n 1) * 2; Printf ("Tou Zi Shi% D", N); getch ();
Half of the rest of the day before you eat, more. 1 10 days left
It is the 9th day, there are (1 1) * 2 before you haven't eaten.
Before you haven't eaten on the 8th day, there is (9th day 1) * 2
..........
n = (n 1) * 2
