c语言编程,编写一个函数,根据形参x和y的关系,返回不同的值答:代码如下:include <stdio.h>#include <stdlib.h>int func(int x, int y){if (x > y) {return 1;}else if (x < y) {return -1;}else {return 0;}}int main(){int x, y, ret;printf("请输入x,y的值:");scanf("%d%d", &x, &y);ret = func(x, y);printf("%d\n",...