TopCoder

abcabcabc
有人要寫 p6 嗎 > <

User's AC Ratio

100.0% (1/1)

Submission's AC Ratio

33.3% (1/3)

Tags

Description

Input Format

Output Format

Sample Input 1

8
mkdir /tmp
mkdir /tmp/tmpdir1
mkdir /tmp/tmpdir2
touch /tmp/tmpdir1/tmpfile
ls / 0
ls / 1
ls / 2
ls / 3

Sample Output 1

/+
/
/tmp/+
/
/tmp/
/tmp/tmpdir1/+
/tmp/tmpdir2/
/
/tmp/
/tmp/tmpdir1/
/tmp/tmpdir1/tmpfile
/tmp/tmpdir2/

Sample Input 2

18
touch /c
mkdir /
mkdir /a/b
mkdir /a
touch /a/b
mkdir /a
mkdir /c
rmdir /c/d
rmdir /c
rmdir /a
mkdir /a/e
touch /a/e
rm /a/e
rm /a/b
ls / 0
ls / 1
ls / 2
ls / 3

Sample Output 2

ERROR
ERROR
ERROR
ERROR
ERROR
ERROR
ERROR
ERROR
ERROR
/+
/
/a/+
/c
/
/a/
/a/e/
/c
/
/a/
/a/e/
/c

Sample Input 3

9
mkdir /npsc
mkdir /npsc/shell
touch /npsc/shell/s1.in
touch /npsc/shell/s2.in
touch /npsc/shell/s3.in
ls /npsc 0
ls /npsc/shell 0
ls /npsc/shell/s1.in 0
ls /npsc/shell 100

Sample Output 3

/npsc/+
/npsc/shell/+
ERROR
/npsc/shell/
/npsc/shell/s1.in
/npsc/shell/s2.in
/npsc/shell/s3.in

Hints

Problem Source

NPSC 2017 國中組決賽 pC

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~25 無額外限制 100

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 2000 1048576 1048576 1 2
1 2000 1048576 1048576 1 2
2 2000 1048576 1048576 1 2
3 2000 1048576 1048576 2
4 2000 1048576 1048576 2
5 2000 1048576 1048576 2
6 2000 1048576 1048576 2
7 2000 1048576 1048576 2
8 2000 1048576 1048576 2
9 2000 1048576 1048576 2
10 2000 1048576 1048576 2
11 2000 1048576 1048576 2
12 2000 1048576 1048576 2
13 2000 1048576 1048576 2
14 2000 1048576 1048576 2
15 2000 1048576 1048576 2
16 2000 1048576 1048576 2
17 2000 1048576 1048576 2
18 2000 1048576 1048576 2
19 2000 1048576 1048576 2
20 2000 1048576 1048576 2
21 2000 1048576 1048576 2
22 2000 1048576 1048576 2
23 2000 1048576 1048576 2
24 2000 1048576 1048576 2
25 2000 1048576 1048576 2