Problem 3199. -- [Sdoi2013]escape -- 衡阳八中OJ离线版-2014-11-04

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Problem 3199. -- [Sdoi2013]escape -- 衡阳八中OJ离线版-2014-11-04

3199: [Sdoi2013]escape

Time Limit: 20 Sec Memory Limit: 256 MB
Submit: 90 Solved: 56
[Submit][Status]

Description

Input

Output

Sample Input

2
4
10 10 5 5
5 6
3 5
7 5
5 3
17
14 12 7 6
7 11
6 9
7 7
1 10
2 20
1 6
2 6
1 1
2 2
5 1
5 2
13 1
12 2
12 7
13 7
12 11
13 11

Sample Output

1
2

HINT

Source

[Submit][Status]
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