[BASIC-28] Huffuman树

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);

		while (scanner.hasNext()) {
			int n = scanner.nextInt();
			List<Integer> list = new ArrayList<>();

			for (int i = 0; i < n; i++) {
				list.add(scanner.nextInt());
			}

			int minCost = 0;
			while (list.size() != 1) {
				minCost += getCost(list);
			}

			System.out.println(minCost);
		}
	}

	private static int getCost(List<Integer> list) {
		int min1 = getMin(list);
		int min2 = getMin(list);
		int cost = min1 + min2;
		list.add(cost);
		return cost;
	}

	private static int getMin(List<Integer> list) {
		int min = list.get(0);
		for (int i = 1; i < list.size(); i++) {
			if (min > list.get(i)) {
				min = list.get(i);
			}
		}
		list.remove((Object) min);
		return min;
	}
}

[BASIC-28] Huffuman树,布布扣,bubuko.com

[BASIC-28] Huffuman树

原文：http://blog.csdn.net/u011506951/article/details/26703939