Beautiful Subsequence SOLUTIONS CHEFHALF

Beautiful Subsequence SOLUTIONS CHEFHALF

Think about a succession with an even length 2L. A left pivot comprises of moving the main component of the arrangement as far as possible. The grouping is acceptable on the off chance that it is conceivable to play out some number of left turns (perhaps zero) and partition the subsequent succession into equal parts (containing the principal L and keep going L components individually) with the end goal that the littlest incentive in one half is more noteworthy then the biggest incentive in the other half. 

You are given a succession A1,A2,… ,AN. Locate the quantity of its non-void adjoining aftereffects with even length which is acceptable. 

Information 

The main line of the info contains a solitary whole number T indicating the quantity of experiments. The portrayal of T experiments follows. 

The principal line of each experiment contains a solitary whole number N. 

The subsequent line contains N space-isolated numbers A1,A2,… ,AN. 

 

Yield

For each experiment, print a solitary line containing one number ― the quantity of good touching aftereffects. 

 

Imperatives 

1≤T≤103 

1≤N≤105 

1≤Ai≤109 for each substantial I 

A1,A2,… ,AN are pair-wise unmistakable 

the entirety of N over all experiments doesn’t surpass 106 

 

Model Input 

1 2 3 4 

4 2 1 3 

1 3 2 4 

 

Model Output 

 

Clarification 

Model case 1: The great aftereffects are [1,2], [2,3], [3,4] and [1,2,3,4]. 

Model case 3: The great aftereffects are [1,3], [3,2] and [2,4].

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