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
        // while (in.hasNextInt()) { // 注意 while 处理多个 case
        //     int a = in.nextInt();
        //     int b = in.nextInt();
        //     System.out.println(a + b);
        // }
        Result[] results = new Result[100];
        int num = 0;
        while (in.hasNextLine()) {
            String line = in.nextLine();
            String[] item = line.split(" ");
            if (item.length != 2) {
                continue;
            }
            String path = item[0];
            String lineNum = item[1];
            int ind = path.lastIndexOf("\\");
            if (ind == -1) {
                continue;
            }
            String last = path.substring(ind + 1);
            if (last.length() > 16) {
                last = last.substring(last.length() - 16);
            }

            for (int i = 0; i <= num; i++) {
                if (results[i] != null && last.equals(results[i].file) &&
                        lineNum.equals(results[i].lineNum)) {
                    results[i].count++;
                    break;
                }

                if (results[i] == null) {
                    Result result = new Result();
                    result.file = last;
                    result.lineNum = lineNum;
                    results[num] = result;
                    num++;
                    break;
                }
            }
        }
        if (num > 8) {
            for (int i = num - 8; i < num; i++) {
                System.out.println(results[i].file + " " + results[i].lineNum + " " +
                                   results[i].count);
            }
        } else {
            for (int i = 0; i < num; i++) {
                System.out.println(results[i].file + " " + results[i].lineNum + " " +
                                   results[i].count);
            }
        }


    }
}
class Result {
    protected String file;
    protected String lineNum;
    protected int count = 1;
}