#include<stdio.h>
typedef struct stu{int length;int width;int height;char name[9];}student[10][10];
int main()
{
int i,j,n,minnum=0,maxnum=0;
scanf("%d",&n);
while(n!=-1)
{
for(j=0;j<n;j++)
{
for(i=0;i<8;i++) scanf("%d%d%d%s",&student[j][i].length,&student[j][i].width,&student[j][i].height,student[j][i].name);
}
for(i=0;i<n;i++){
maxnum=student[i][0];
minnum=student[i][0];
for(j=0;j<8;j++){
if(maxnum<student[i][j].length*student[i][j].width*student[i][j].height)maxnum=j;
if(minnum>student[i][j].length*student[i][j].width*student[i][j].height)minnum=j;}
}
printf("%s took clay from %s",student[i][maxnum].name,student[i][minnum].name);
}
return 0;
}
什么意思?应该怎么写?