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denisko's picture
cnanged dir structure and removed features file
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/* package codechef; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
public static void main (String[] args) throws java.lang.Exception
{
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
long sum, max = Long.MIN_VALUE;
int n = Integer.parseInt(reader.readLine());
long a[] = new long[n];
for(int i = 0; i < n; i++){
a[i] = Long.parseLong(reader.readLine());
}
Arrays.sort(a);
for (int i = 1; i <= n ; i++){
sum = a[n-i]*i;
if(sum>max){
max = sum;
}
}
System.out.println(max);
}
}