测试数据:
((T+F)+(F+F))+(F+T) F
T+T F
T+F T
F+T T
F+F F
(T) T
(F) F
运行结果:
((T+F)+(F+F))+(F+T) 0
((T)+(F+F))+(F+T) 1
((T)+(F+F))+(T) 2
((T)+(F))+(T) 3
(T+(F))+T 4
(T+F)+T 5
(T)+T 6
T+T 7
F 8