题解 | #二叉树#
汽水瓶
http://www.nowcoder.com/practice/fe298c55694f4ed39e256170ff2c205f
import java.util.*;
public class Main{
public static void main(String[]args){
Scanner sc=new Scanner(System.in);
while(sc.hasNextInt()){
int n=sc.nextInt();
if(n==0){
break;
}else{
System.out.println(n/2);
}
}
}
}
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