好多鱼！

import java.util.Scanner;
public class Test {

 public static void main(String[] args) {
  int[] fishSize;
  int n, minSize, maxSize, count;
 Scanner sc = new Scanner(System.in);
  System.out.println("输入所要放入鱼的尺寸范围min和max");
  System.out.print("min:");
  minSize=sc.nextInt();
  System.out.print("max:");
  maxSize=sc.nextInt();
  System.out.println("输入鱼的数量");
  n = sc.nextInt();
  fishSize = new int[n];
  System.out.print("输入每条鱼的尺寸.");
  for (int i = 0; i < n; i++) {
   System.out.print("第" + (i + 1) + "条鱼的尺寸是：");
   fishSize[i] = sc.nextInt();
  }
  count=0;
  for(int i=minSize;i<=maxSize;i++){
   int temp=0;
   for(int j=0;j<n;j++){
    
    if((i>10*fishSize[j]||i<2*fishSize[j])&&(fishSize[j]>10*i||fishSize[j]<2*i)){
     temp++;
    }
   }
   if(temp==n)
   {
   count++;
   }
   
  }
  int result=count;
  System.out.println(result);
 }
}

public void fish() {


Scanner sc = new Scanner(System.in);
int minSize = sc.nextInt();
int maxSize = sc.nextInt();

sc = new Scanner(System.in);

int n = sc.nextInt();

sc = new Scanner(System.in);

String[] input = sc.nextLine().split(" ");

String[] now = input;

int size = 0;

for (int i = minSize; i <= maxSize; i++) {

    boolean flag = true;

    for (String j : now) {

        int t = Integer.parseInt(j);

       if (i >= 2 * t && i t / 10) {

           flag = false;

           break;


        }
    }
   if (flag) {


     size++;
    }
}System.out.println(size);

}

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        //接受输入参数
        Scanner scanner = new Scanner(System.in);
        int minSize = scanner.nextInt(); //新放入鱼范围的最小值
        int maxSize = scanner.nextInt();//新放入鱼范围的最大值
        int inNumber = scanner.nextInt();//鱼缸里面已经有鱼的数量
        int[] inFishSize = new int[inNumber]; //定义一个数组
        for (int i = 0; i < inNumber; i ++) {
            inFishSize[i] = scanner.nextInt();//初始化已经有的鱼的大小inFishSize[i]
        }

        int canPut = 0;//可以放进鱼的种类数

        for (int i = minSize; i <= maxSize; i ++) { //遍历输入的范围，逐个查看每中大小的鱼是否可以放进去
            boolean willBeEaten = false; //是否被吃，true 被吃。
            for (int j = 0; j < inNumber; j ++) {
                if ((10 * i >= inFishSize[j] && 2 * i <= inFishSize[j])
                        || (i >= inFishSize[j] * 2 && i <= inFishSize[j] * 10)) {
                    willBeEaten = true;
                    break; //一旦发现此鱼不能放进去，break，跳出循环，避免多余的检查
                }
            }
            //如果这条鱼可以不被鱼缸中其他鱼吃。或者被吃。则canPut++
            if (!willBeEaten) {
                canPut ++;
            }
        }
        System.out.println(canPut);
    }
}