练习3-2 计算符号函数的值

#include<stdio.h>
int main()
{
    int n;
    
    scanf("%d", &n);
    if(n>0){
        printf("sign(%d) = 1",n);
    }else if(n<0){
       printf("sign(%d) = -1",n);
    }else{
        printf("sign(%d) = 0",n);
    }
    return 0;
}

标签：函数,符号,int,scanf,练习,sign,else,printf,main
来源： https://www.cnblogs.com/ytmsnzy/p/16591456.html