2282: 弹珠游戏(2023-T5)
          Memory Limit:128 MB
          Time Limit:1.000 S
         
      
      
        
          Judge Style:Text Compare
          Creator:
      
      
          Submit:2
          Solved:1
      
Description

Input

Output

Sample Input Copy
3
2 3 1
7
1 1
1 2
2 1
1 2
1 1
2 2
1 2Sample Output Copy
-1
-1
1
1
2HINT
	【输入样例2】 
	5 
	0 3 5 3 4 
	6 
	1 1 
	1 2 
	2 4 
	1 2 
	2 3 
	1 2 
	  
	【输出样例2】 
	1 
	-1 
	4 
	3 
	