题解 | #汽水瓶#

import java.util.Scanner; public class Main { public static void main(String args[]){ Scanner in = new Scanner(System.in); int a[]=new int[10]; int n; for(int i=0;i<10;i++){ a[i]= in.nextInt(); if(a[i]==0){break;} } for(int i=0;i<10;i++){ if(a[i]==0){break;} System.out.println(jisuan(a[i])); }

        }
    private static int jisuan(int m){
        int y,x,sum=0;
        while(m>=3){
        y = m%3;
        m = m/3;
        sum = sum+m;
        m = m+y;
        }
        if (m==2){
            sum = sum+1;
        }
        return sum;
    }

}