Subversion Repositories SmartDukaan

package com.spice.profitmandi.common.services.mandii;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public class Solution {
        public static void main(String[] args) throws IOException {
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));

                int length = Integer.parseInt(bufferedReader.readLine());
                List<Integer> row = Arrays.asList(bufferedReader.readLine().split(" ")).stream().map(x -> Integer.parseInt(x))
                                .collect(Collectors.toList());
                double total = 0;
                int maxNum = 0;
                for (int num : row) {
                        total += num;
                        if (maxNum < num)
                                maxNum = num;
                }
                System.out.println(String.format("%.1f",total / length));
                double median = length % 2 == 0 ? (double)(row.get((length - 1) / 2) + row.get((length + 1) / 2) / 2) : row.get(length / 2);
                System.out.println(String.format("%.1f",median));
                int[] arr = new int[maxNum+1];
                for (int num : row) {
                        arr[num]++;
                }
                int mode = 0;
                int frequency = 0;
                for (int i=0; i< maxNum; i++) {
                        if(arr[i] > frequency) {
                                mode = i;
                                frequency = arr[i];
                        }
                }
                System.out.println(mode);
        }
}