static void test_sequence(int id, float arr[], int count)
{
float naive = average(arr, count);
float a = averageA(arr, count);
float b = averageB(arr, count);
float c = averageC(arr, count);
printf("\nSequence #%d average\n naive= %-14.9g a= %-14.9g b= %-14.9g c= %-14.9g\n", id, naive, a, b, c);
}
int main()
{
int i,j;
int r,c;
float h,high;
void averageS(void);
void averageC(void);
float variance(void);
for(i=0;i<N;i++)
{
printf("\n请输入第%2d个学生的成绩：\n",i+1);
for(j=0;j<M;j++)
scanf("%f",&score[i][j]);
}
averageS();
printf("\n NO. subject1 subject2 subject3 subject4 subject5 average\n");
for(i=0;i<N;i++)
{
printf("\nNO%6d",i+1);
for(j=0;j<M;j++)
{
printf("%10.2f",score[i][j]);
}
printf("%10.2f",averS[i]);
}
averageC();
printf("\naverage:");
for (j=0;j<M;j++)
printf("%10.2f",averC[j]);
printf("\n");
high=score[0][0];
for(i=0;i<N;i++)
for(j=0;j<M;j++)
if(score[i][j]>high)
{
high=score[i][j];
r=i+1;
c=j+1;
}
h=high;
printf("最高分：%8.2f NO.%2d subject%2d\n",h,r,c);
printf("方差为：%8.2f\n",variance());
return 0;
}
