Ŀ

գҪıйص䡣
һ repeat (0<repeat<10) repeat 㣺
һ x㲢зֶκ sign(x) ֵ

	      -1   x < 0
y = sign(x) = 0	   x = 0
	      1	   x > 0

ʾ˵

3        (repeat=3) 
10       (x=10) 
0        (x=0) 
-98      (x=-98) 

sign(10) = 1    (x = 10ʱ y = 1)
sign(0) = 0     (x = 0ʱ y = 0)
sign(-98) = -1  (x = -98ʱy = -1)



#include <stdio.h>
int main(void)
{
    int repeat, ri;
    int x, y;

    scanf("%d", &repeat);
    for(ri = 1; ri <= repeat; ri++){
        scanf("%d", &x);
/*---------*/
        printf("sign(%d) = %d\n", x, y);
    }
}
