编写c语言程序,输入学生语数英三门课程成绩(考虑到数据类型,整型和实...答:include <stdio.h> main(){ double CH,MA,EN,average,sum;scanf("%ld,%ld,%ld",&CH,&MA,&EN);sum=CH+MA+EN;average=sum/3.0;printf("sum=%ld,average=%ld\n",sum,average);}
C语言数组编程,求高手 编写程序求某班20位学生三门课(英语,数学,语文...答:){int i,j,x,y,z,r,a[20];for(i=1;i<=20;i++){scanf("%d%d%d",x,y,z);a[i-1]=x+y+z;}for(i=0;i<=19;i++){for(j=i;j>=0;j--){if(a[j]>a[j-1]){r=a[i];a[i]=a[i+1];a[i+1]=r;}}}for(i=0;i<=19;i++){printf("%d\n",a[i]...