题解 | #汽水瓶#
汽水瓶
https://www.nowcoder.com/practice/fe298c55694f4ed39e256170ff2c205f
#include <iostream>
using namespace std;
int main() {
int n;
while(cin >> n){
if (n ==0){
break;
}
cout << n/2 << endl;
}
}
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