首先,你的程序有问题!printf后面没有冒号。#include <stdio.h>int main(){ int k; scanf("%d",&k); switch(k) { case 1:printf("%d\n",k++); case 2:printf("%d\n",k++); case 3:printf("...
展开全部#include int main(void){ int loop,m,n,ri,s[10];double a,b,c,d;scanf("%d",&loop);for(ri=1;ri;ri+){ int up=0,down=0;加两个变量,便于理解 scanf("%lf%lf%lf%lf",&a,&b,&c,&d);double用%lf longfloat if(c>a&c>b...