要实现求数组arr中元素的和 下列两空的填法

Question

void main(){
____________
int x, a[]={1,2,3,4,5};
x=___________;
printf("%d\n", x);
}
int sum(int arr[], int len) {
int i, s=0;
for(i=0; i<len; i++) s+=arr[i];
return s;
}

Answer 1

• int sum(int arr[], int len);
• x = sum(a, 5);