// hdoj_1092 A+B for Input-Output Practice (IV)
#include <stdio.h>
int main(void)
{
int a, n, i, sum;
while(scanf("%d", &n) && n != 0) //while(scanf("%d", &n) != 0)是错误的用法
{
sum = 0;
for(i = 0; i < n; i ++)
{
scanf("%d", &a);
sum = sum + a;
}
printf("%d\n", sum);
}
return 0;
}
水题
while(scanf("%d", &n) && n != 0) //while(scanf("%d", &n) != 0)是错误的用法
//如此一来判断的是scanf()的返回值而不是n的值