#include <stdio.h> int main () { int add(int a,int b) { printf("%d ",arr[i]); i++; } return 0; } return a+b; int n1 = 0,n2 = 0; printf("请输入两个数:"); scanf("%d%d",&n1,&n2); int sum = add(n1,n2); printf("结果为:%d",sum);