exam8-8.cpp

来自「很好的C程序设计教程」· C++ 代码 · 共 32 行

/*文件名:exam8_8.cpp*/
#include <stdio.h>
#define N 10
int fun1(int b[])
{
int s=0,i;
	for (i=0;i<N;i++)
		s=s+b[i];
	return(s);
}
int fun2(int *pa)
{
	int s=0,i;
	for (i=0;i<N;i++)
		s=s+*(pa+i);
	return(s);
}
int fun3(int *pa)
{
	int s=0,i;
	for (i=0;i<N;i++)
		s=s+*pa++;
	return(s);
}
main()
{
	int a[N]={1,2,3,4,5,6,7,8,9,10};
	printf("call fun1:s=%d\n",fun1(a));
	printf("call fun2:s=%d\n",fun2(a));
	printf("call fun3:s=%d\n",fun3(a));
}