相当于两个空瓶喝一瓶，所以直接整除2

#include<stdio.h>

int main(){

int number[11]={0};
int *loc=number;
while(~scanf("%d", loc))loc++;
for(int i =0 ; number[i]!=0; i++){
    printf("%d\n", number[i]/2);
}
return 0;

}