题解
#include <stdio.h>
int main(void)
{
int *a;
int n;
int i=0,cout=0;
scanf("%d",&n);
while(n!=0){
a = malloc(sizeof(int)*n);
cout = 0;
for(i=0;i<n;i++){
scanf("%d",&a[i]);
}
for(i=0;i<n;++i)
{
cout += a[i];
}
printf("%d\n",cout);
scanf("%d",&n);
}
return 0;
} 
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