Exercise 1.1 -- Date: Tue, 11 Oct 2016 13:58:51 +0900
        ok Lecture on Operating System Lecture Exercise 1.1
Exercise 1.2 -- Date: Tue, 13 Dec 2016 13:53:31 +0900
        ok Operating System Lecture Exercise 1.2
Exercise 1.3 -- Date: Tue, 13 Dec 2016 13:55:27 +0900
        ok Operating System Lecture Exercise 1.3
Exercise 2.1 -- Date: Sun, 25 Dec 2016 00:48:25 +0900
        bad Lecture on Operating System Lecture Exercise 2.1
Exercise 2.1 -- Date: Sun, 5 Feb 2017 21:31:03 +0900
        ok Operating System Lecture Exercise 2.1
Exercise 2.2 -- Date: Sun, 25 Dec 2016 01:16:45 +0900
        bad Lecture on Operating System Lecture Exercise 2.2
Exercise 2.2 -- Date: Sun, 25 Dec 2016 13:50:04 +0900
        ignore Lecture on Operating System Lecture Exercise 2.2
Exercise 2.2 -- Date: Mon, 6 Feb 2017 18:27:34 +0900
        bad Operating System Lecture Exercise 2.2
Exercise 2.3 -- Date: Wed, 8 Feb 2017 18:37:32 +0900
        bad Operating System Lecture Exercise 2.3
Exercise 2.3 -- Date: Mon, 13 Feb 2017 18:57:34 +0900
        ok Operating System Lecture Exercise 2.3
Exercise 2.4 -- Date: Sun, 19 Feb 2017 16:52:48 +0900
        bad Operating System Lecture Exercise 2.4
Exercise 2.5 -- Date: Sun, 19 Feb 2017 18:45:39 +0900
        bad Operating System Lecture Exercise 2.5
Exercise 2.6 -- Date: Sun, 25 Dec 2016 13:52:02 +0900
        ok Lecture on Operating System Lecture Exercise 2.6
Exercise 2.7 -- Date: Sun, 25 Dec 2016 13:53:57 +0900
        ok Lecture on Operating System Lecture Exercise 2.7
Exercise 2.9 -- Date: Tue, 27 Dec 2016 18:10:34 +0900
        ok Lecture onOperating System Lecture Exercise 2.9
Exercise 2.10 -- Date: Sun, 19 Feb 2017 17:01:52 +0900
        bad Operating System Lecture Exercise 2.10
Exercise 2.11 -- Date: Sun, 25 Dec 2016 14:08:44 +0900
        ok Lecture on Operating System Lecture Exercise 2.11
Exercise 3.1 -- Date: Sun, 25 Dec 2016 14:21:02 +0900
        ok Lecture on Operating System Lecture Exercise 3.1
Exercise 3.1 -- Date: Sat, 18 Feb 2017 17:42:26 +0900
        ok Operating System Lecture Exercise 3.1
Exercise 3.2 -- Date: Mon, 13 Feb 2017 21:23:00 +0900
        ok Operating System Lecture Exercise 3.2
Exercise 3.3 -- Date: Sun, 19 Feb 2017 00:17:06 +0900
        ok Operating System Lecture Exercise 3.3
Exercise 3.4 -- Date: Thu, 2 Feb 2017 23:04:27 +0900
        ignore Operating System Lecture Exercise 3.4
Exercise 3.5 -- Date: Mon, 13 Feb 2017 23:37:44 +0900
        ok Operating System Lecture Exercise 3.5
Exercise 3.5 -- Date: Sun, 19 Feb 2017 00:38:48 +0900
        ok Operating System Lecture Exercise 3.5
Exercise 4.1 -- Date: Sun, 19 Feb 2017 02:07:31 +0900
        ok Operating System Lecture Exercise 4.1
Exercise 4.2 -- Date: Sun, 22 Jan 2017 15:01:46 +0900
        ignore Lecture on Operating System Lecture Exercise 4.2
Exercise 4.3 -- Date: Sun, 22 Jan 2017 15:21:20 +0900
        bad Lecture on Operating System Lecture Exercise 4.3
Exercise 4.3 -- Date: Thu, 26 Jan 2017 17:56:26 +0900
        ignore Lecture on Operating System Lecture Exercise 4.3
Exercise 4.3 -- Date: Mon, 30 Jan 2017 17:12:23 +0900
        ignore Re: Lecture on Operating System Lecture Exercise 4.3
Exercise 4.3 -- Date: Thu, 2 Feb 2017 18:52:50 +0900
        ignore Lecture on Operating System Lecture Exercise 4.3
Exercise 5.1 -- Date: Sun, 19 Feb 2017 03:17:42 +0900
        ok Operating System Lecture Exercise 5.1
Exercise 6.3 -- Date: Mon, 20 Feb 2017 19:48:31 +0900
        ok Operating System Lecture Exercise 6.3
Exercise 7.1 -- Date: Sat, 18 Feb 2017 15:28:33 +0900
        bad Operating System Lecture Exercise 7.1
Exercise 7.1 -- Date: Sat, 18 Feb 2017 16:47:28 +0900
        bad Operating System Lecture Exercise 7.1
Exercise 7.2 -- Date: Sat, 18 Feb 2017 16:42:11 +0900
        ok Operating System Lecture Exercise 7.2
Exercise 7.3 -- Date: Sat, 18 Feb 2017 17:09:35 +0900
        ok Operating System Lecture Exercise 7.3
Exercise 7.4 -- Date: Sat, 18 Feb 2017 17:13:51 +0900
        ok Lecture on Operating System Lecture Exercise 7.4
Exercise 8.1 -- Date: Mon, 20 Feb 2017 16:39:03 +0900
        ok Operating System Lecture Exercise 8.1
Exercise 8.2 -- Date: Sun, 19 Feb 2017 15:54:19 +0900
        bad Operating System Lecture Exercise 8.2
Exercise 8.3 -- Date: Sun, 19 Feb 2017 14:33:07 +0900
        ok Operating System Lecture Exercise 8.3
Exercise 8.4 -- Date: Sun, 19 Feb 2017 19:08:17 +0900
        bad Operating System Lecture Exercise 8.4
Exercise 9.1 -- Date: Sat, 18 Feb 2017 18:17:44 +0900
        ok Lecture on Operating System Lecture Exercise 9.1
Exercise 9.2 -- Date: Mon, 20 Feb 2017 19:15:46 +0900
        bad Operating System Lecture Exercise 9.2
Exercise 11.1 -- Date: Sun, 12 Feb 2017 16:34:50 +0900
        ok Operating System Lecture Exercise 11.1
Exercise 11.2 -- Date: Tue, 14 Feb 2017 23:27:34 +0900
        ok Operating System Lecture Exercise 11.2
Exercise 11.3 -- Date: Sun, 19 Feb 2017 21:16:13 +0900
        ok Operating System Lecture Exercise 11.3
received but not ok -- Exercise 2.2
received but not ok -- Exercise 2.4
received but not ok -- Exercise 2.5
not received -- Exercise 2.8
received but not ok -- Exercise 2.10
not ok -- Exercise 3.4
not ok -- Exercise 4.2
not ok -- Exercise 4.3
not received -- Exercise 4.4
not received -- Exercise 4.5
not received -- Exercise 5.2
not received -- Exercise 6.1
not received -- Exercise 6.2
received but not ok -- Exercise 7.1
not received -- Exercise 7.5
not received -- Exercise 7.6
received but not ok -- Exercise 8.2
received but not ok -- Exercise 8.4
received but not ok -- Exercise 9.2
not received -- Exercise 10.1
not received -- Exercise 10.2