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);

	}

}