#include <stdio.h>
void main()
{
int a[5][4]={{94,78,87,76},{66,87,75,69},{100,98,89,77},{82,58,72,84},{82,73,67,54}};
int i,j,sum;
float average,b[5],t;
for(i=0;i<5;i++)
{
sum=0;
for(j=0;j<4;j++)
sum=sum+a[i][j];
b[i]=sum/4.0;
printf("average%d=%4.2f\n",i+1,b[i]);
}
for(j=0;j<4;j++)
for(i=0;i<4-j;i++)
if(b[i]>b[i+1])
{t=b[i];b[i]=b[i+1];b[i+1]=t;}
for(i=0;i<5;i++)
printf("%d\n",b[i]);
}
我的做法有什么不对啊