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Time Limit: 60000/60000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)
Total Submission(s): 913    Accepted Submission(s): 36


Problem Description
 

Sample Input
3 2
2 1 3
3 2 1
50 2
2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1
 

Sample Output
6
30414093201713378043612608166064768844377641568960512000000000000
 

Source
2013 Multi-University Training Contest 10
 

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