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Given an integer(n) denoting the no. of particles initially and array of sizes of these particles.
These particles can go into any number of simulations (possibly none).
In one simulation, two particles combine to give another particle with size as the difference between the size of them (possibly 0).
Find the smallest particle that can be formed.
First line contains number N.
Second line contains N integers seperated by space.
Print the value
3 30 10 8
2
4 1 2 4 8
1
5 30 27 26 10 6
0
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Step-1: Take the highest element in the list as min.
Step-2: From the given list of particles, Take all possible combinations of two particles.
Step-3: For every combination, find the absolute difference between the particles or the positive difference.
Step-4: If the difference is less than min, assign difference to min.
And repeat the process for the list of particles which contains difference as the new particle and removing the selected 2 particles from which the new particle has arrived.
Note :
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