#P1853. Intersection

Intersection

题目描述

PDF

输入格式

输出格式

样例

2 
3 2 
7 5 

3 

3 
1 5 3 
10 7 3 

0 

3 
3 2 5 
6 9 8 

2 

提示

from AtCoder Beginner Contest 199(Sponsored by Panasonic)

by 20 李伟杰