Pat-java-一帮一

曾经终败给现在 2022-06-03 02:12 142阅读 0赞

http://blog.csdn.net/qq\_29295351/article/details/69916151

废话不想多说

原本写的因为误删没了

不想再说第二遍

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      package fyncfirstjq; 
    </div> 
    <div>
      import java.util.ArrayList; 
     <br> import java.util.List; 
     <br> import java.util.Scanner; 
    </div> 
    <div>
      public class Main { 
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      &nbsp;/** 
     <br> &nbsp; * @param args 
     <br> &nbsp; */ 
     <br> &nbsp;public static void main(String[] args) { 
     <br> &nbsp;&nbsp;// TODO Auto-generated method stub 
     <br> &nbsp;&nbsp;Scanner sc = new Scanner(System.in); 
     <br> &nbsp;&nbsp;int N = Integer.parseInt(sc.nextLine());&nbsp;&nbsp; //Integer.parseInt&nbsp; 作用是将可分析的字符串转化为整数 
     <br> &nbsp;&nbsp;List&lt;P&gt; ps = new ArrayList&lt;&gt;(); 
     <br> &nbsp;&nbsp;P p = null; 
     <br> &nbsp;&nbsp;for (int i = 0;i&lt;N;i++) 
     <br> &nbsp;&nbsp;{ 
     <br> &nbsp;&nbsp;&nbsp;p = new P(sc.next(),sc.next()); 
     <br> &nbsp;&nbsp;&nbsp;ps.add(p); 
     <br> &nbsp;&nbsp;} 
     <br> &nbsp;&nbsp;sc.close(); 
     <br> &nbsp;&nbsp;for (int i = 0;i&lt;ps.size();) 
     <br> &nbsp;&nbsp;{ 
     <br> &nbsp;&nbsp;&nbsp;p = ps.get(i); 
     <br> &nbsp;&nbsp;&nbsp;for (int j = ps.size()-1;j&gt;0;j--) 
     <br> &nbsp;&nbsp;&nbsp;{ 
     <br> &nbsp;&nbsp;&nbsp;&nbsp;if (!p.sex.equals(ps.get(j).sex)){ 
     <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(p.name+" "+ps.get(j).name); 
     <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ps.remove(j);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //不知道这里为什么i和j的位置反的时候结果是不一样的？ 
     <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ps.remove(i); 
     <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break; 
     <br> &nbsp;&nbsp;&nbsp;&nbsp;} 
     <br> &nbsp;&nbsp;&nbsp;} 
     <br> &nbsp;&nbsp;} 
     <br> &nbsp;} 
     <br> &nbsp;public static class P{&nbsp;&nbsp;&nbsp; //这里必须得加一个static 否则new的时候出错 
     <br> &nbsp;&nbsp;String sex; 
     <br> &nbsp;&nbsp;String name; 
     <br> &nbsp;&nbsp;public P (String sex,String name) 
     <br> &nbsp;&nbsp;{ 
     <br> &nbsp;&nbsp;&nbsp;super(); 
     <br> &nbsp;&nbsp;&nbsp;this.sex = sex; 
     <br> &nbsp;&nbsp;&nbsp;this.name = name; 
     <br> &nbsp;&nbsp;} 
     <br> &nbsp;&nbsp;public P (){ 
     <br> &nbsp;&nbsp;&nbsp;super(); 
     <br> &nbsp;&nbsp;} 
     <br> &nbsp;} 
     <br> } 
     <br> 
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