4707: P8618 [蓝桥杯 2014 国 B] Log 大侠
          Memory Limit:128 MB
          Time Limit:1.000 S
         
      
      
        
          Judge Style:Text Compare
          Creator:
      
      
          Submit:0
          Solved:0
      
Description

Input

Output

Sample Input Copy
3 3
5 6 4
1 2
2 3
1 3Sample Output Copy
10
8
6HINT
