第1个回答 2012-03-28
include <stdio.h>
void main()
{ float a[4]={0.0,0.0,0.0,0.0};
float b[4][3]={{78,85,79};{85,98,56};{98,96,88},{78,86,87}};//成绩自己输入
for(int j=0;j<4:j++)
{ for(int i=0;i<3,i++)
{
a[j]+=b[j][i];
}
a[j]=a[j]/3.0;
}
printf("%f\t %f\t %f\t%f\n ",a[0],a[1],a[2],a[3]);
}