2088: [蓝桥杯2023初赛] 工作时长

内存限制:256 MB 时间限制:1 S 标准输入输出
题目类型:传统 评测方式:文本比较 上传者:
提交:153 通过:60

题目描述

小蓝手里有一份2022 年度自己的上班打卡记录文件,文件包含若干条打卡记录。
每条记录的格式均为“yyyy-MM-dd HH:mm:ss”,即按照年-月-日时:分: 秒的形式记录着一个时间点(采用24 小时进制)。
由于某些原因,这份文件中的时间记录并不是按照打卡的时间顺序记录的,而是被打乱了。
但我们保证小蓝每次上班和下班时都会正常打卡,而且正打卡一次,其它时候不会打卡。
每一对相邻的上-下班打卡之间的时间就是小蓝本次的工作时长。
例如文件内容如下的话:
2022-01-01 12:00:05
2022-01-02 00:20:05
2022-01-01 07:58:02
2022-01-01 16:01:35
表示文件中共包含了两段上下班记录,
1)2022-01-01 07:58:02 2022-01-01 12:00:05,工作时长为14523 秒;
2)2022-01-01 16:01:35 2022-01-02 00:20:05,工作时长为29910 秒;
工作时长一共是 14523+29910=44433 秒。
现在小蓝想知道在 2022 年度自己的工作时长一共是多少秒?
本题的结果为一个整数,在提交答案时只输出这个整数,输出多余的内容将无法得分。

输入样例 复制

2022-11-17 10:20:18
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输出样例 复制