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Ticket 7381
Problem 1681 -c
Submission 158276409
View hacks & all small testcases

Unable to dry run this testcase?
Try making a new request with small values of n_high, t_high, *_high, etc.


Retry
Input
2
4
1 1 1 1 
2 4 1 3 
3
3 3 2 
1 3 2
Expected Output
3
1 3
2 3
3 4
-1
Your Output

          

        


        

          
Difference

          

              
          

        

      
  
  
    
    

      
Generator Parameters

      

          --n_high 9 --n_low 2 --t_high 2 --t_low 1