Question

写出已知函数y=

1 (x＞0) 0 (x=0) -1 (x＜0).

输入x的值，求y的值程序．

Answer 1

INPUT“请输入x的值：”；x
IFx＞0THEN
y=1
ELSE
IFx=0THEN
y=0
ELSE
y=-1
ENDIF
ENDIF
PRINT“y的值为：”；y
END