#include<stdio.h>
int addArray(int array[],int n);
int main(void)
{
    int date[]={0,1,2,3,4,5,6,7,8,9};
    int size=sizeof(date)/sizeof(date[0]);
    printf("结果是：%d\n",addArray(date,size));
    return 0;
} 

int addArray(int array[],int n)
{
	int sum=0;
	int i;
	for(i=0;i<n;i++)
	sum+=array[i];
	return sum;
}



//或者
#include <stdio.h>
int main (void)
{
	int num[5]={5,6,7,8,9};
	int i=0,sum=0;
	for(;i<5;i++)
	{
		sum+=num[i];
	}
	printf("∑为：%d\n",sum);
	return 0;
}