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import java.util.Scanner;
import java.util.PriorityQueue;
public class Optimal{
static int minComp(int size, int files[]){
PriorityQueue<Integer> pq = new PriorityQueue<>();
for(int i=0;i<size;i++){
pq.add(files[i]);
}
int count = 0;
while(pq.size()>1){
int temp = pq.poll()+pq.poll();
count+=temp;
pq.add(temp);
}
return count;
}
public static void main(String[] args){
int size = 5;
int files[] = new int[] {30,30,20,10,5};
System.out.println("Minimum Computation "+minComp(size,files));
}
}
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