(UVA) Sales - Solution

Brute Force was used to solve this problem.


import java.io.*;
import java.util.*;

class Main  {
    public static int reader(BufferedReader br) throws NumberFormatException, IOException {     
        int n;
        int resp = 0;     
      
        while (true) {         
            n = br.read();         
            if (n >= '0' && n <= '9') {
                break;
            }
        }
           
        while (true) {         
            resp = resp*10 + n-'0';         
            n = br.read();         
            if (n < '0' || n > '9') {
                break;     
            }
        }
      
        return resp;     
    }
   
    public static void process() throws NumberFormatException, IOException {  
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
       
        int numTests = reader(br);
        for (int i = 0; i < numTests; i++) {
            int listSize = reader(br);
           
            int[] list = new int[listSize];
            for (int j = 0; j < listSize; j++) {
                list[j] = reader(br);
            }
           
            int totalWorstSales = 0;
            for (int j = 1; j < listSize; j++) {
                int worstSales = 0;
                for (int k = 0; k < j; k++) {
                    if (list[k] <= list[j]) {
                        worstSales++;
                    }
                }
                totalWorstSales += worstSales;
            }
           
            System.out.println(totalWorstSales);
        }  
               
        return;
    }
  
    public static void main(String[] args) throws NumberFormatException, IOException {
        Main m = new Main();
        m.process();

        System.exit(0);
    }
}