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Kth number

Time Limit: 15000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 26353    Accepted Submission(s): 7821


Problem Description
Give you a sequence and ask you the kth big number of a inteval.
 

Input
The first line is the number of the test cases.
For each test case, the first line contain two integer n and m (n, m <= 100000), indicates the number of integers in the sequence and the number of the quaere.
The second line contains n integers, describe the sequence.
Each of following m lines contains three integers s, t, k.
[s, t] indicates the interval and k indicates the kth big number in interval [s, t]
 

Output
For each test case, output m lines. Each line contains the kth big number.
 

Sample Input
1 10 1 1 4 2 3 5 6 7 8 9 0 1 3 2
 

Sample Output
2
 

Source
 

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