Ŀ

գҪıйص䡣
һ repeat (0<repeat<10) repeat 㣺
1 x x 0sign(x) = 1 x 0sign(x) = 0sign(x) = -1sign(x)ֵ
Ҫ͵úsign(x)ʵָ÷ֶκ, βxintint
ʾ˵

3              (repeat=3) 
10             (x=10) 
-5             (x=-5) 
0              (x=0) 

sign(10) = 1     (x=10ʱsign(x)ֵΪ1)
sign(-5) = -1    (x=-5ʱsign(x)ֵΪ-1)
sign(0) = 0      (x=0ʱsign(x)ֵΪ0)



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

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

/*---------*/

