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2833 . Best Matched Pair
TopCoder
Input Format
Output Format
Sample Input 1
2 1 2
Sample Output 1
2
Sample Input 2
3 3 22 115
Sample Output 2
345
Sample Input 3
2 1 11
Sample Output 3
-1
Sample Input 4
2 5 27
Sample Output 4
-1
Sample Input 5
2 17 53
Sample Output 5
-1
Sample Input 6
10 53 43 36 96 99 2 27 86 93 23
Sample Output 6
3456
Hints
Problem Source
Migrated from old NTUJ.
Subtasks
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