有一个班，三个学生，各学四门课，计算总平均分数以及第n个学生的成绩

Posted 2022-04-23 ZDF0414

#include<stdio.h>
int main()

	void average(float *p,int n);
	void search(float (*p)[4],int n);
	float score[3][4]=65,67,70,60,80,87,90,81,90,99,100,98;
	average(*score,12);
	search(score,2);
	return 0;

void average(float *p,int n)

	float*p_end;
	float sum=0;
	float aver;
	p_end=p+n-1;
	for(;p<=p_end;p++)
	
		sum=sum+(*p);
	
	aver=sum/n;
	printf("average=%5.2f\\n",aver);

void search(float(*p)[4],int n)

	int i;
	printf("the score of No.%dare:\\n",n);
	for(i=0;i<4;i++)
	
		printf("%5.2f\\n",*(*(p+n)+i));
	
	printf("\\n");