题解 | #简单错误记录#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        int [] count = new int[8];
        int [] hangshuArr = new int[8];
        String [] wenjianArr = new String[8];
        int xuhuang = 0;
        boolean foundDuplicate = false;
        String qidiao = ",";
        int qidiaoCount = 0;
        while (in.hasNext()) { // 注意 while 处理多个 case

            String a = in.nextLine();
            String [] arr = a.split(" ");
            int hangshu = Integer.valueOf(arr[1]);
            String wenjian = arr[0].substring(arr[0].lastIndexOf("\\") + 1);
            int len = wenjian.length();
            if(len > 16){
                wenjian = wenjian.substring(len - 16);
            }
            //处理重复文件名和行数的记录
            for(int i = 0; i < 8; i ++){
                if(wenjian.equals(wenjianArr[i]) && hangshuArr[i] == hangshu){
                    count[i] ++;
                    foundDuplicate = true;
                    break;
                }
            }
            if(foundDuplicate){
                foundDuplicate = false;
                continue;
            }

            String cs = "," + wenjian + hangshu + ",";
            if(qidiao.indexOf(cs) == -1){
             if(wenjianArr[xuhuang % 8] != null){
                qidiao += wenjianArr[xuhuang % 8] + hangshuArr[xuhuang % 8] + ",";
                qidiaoCount ++;
             }
                count [xuhuang % 8] = 1;
                wenjianArr[xuhuang % 8] = wenjian;
                hangshuArr[xuhuang % 8] = hangshu;
                xuhuang ++;
            }

        }

        if(xuhuang > 7){
            xuhuang = 8;
        }
        for(int i = qidiaoCount,cishu = 0; cishu < xuhuang; i ++){
            cishu ++;
            System.out.println(wenjianArr[i%8] + " " + hangshuArr[i%8] + " " + count[i%8]);
        }
    }
}

看代码