c语言:用户输入的四个数中找出最大值和最小值 ,求答案!!答:include<stdio.h> void main(){ int a,b,c,d,max,min;printf("请输入四个数:\n");scanf("%d%d%d",&a,&b,&c,&d);max = (a>b)?a:b;max = (max>c)?max:c;max = (max>d)?max:d;printf("max is %d\n",max);min = (a<b)?a:b;min= (min<c)?min:c;min= (mi...