ENG  RUSTimus Online Judge
Online Judge
Problems
Authors
Online contests
About Online Judge
Frequently asked questions
Site news
Webboard
Links
Problem set
Submit solution
Judge status
Guide
Register
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests
Rules
back to board

Discussion of Problem 1403. Courier

wa7 please help
Posted by Ibragim Atadjanov (Tashkent U of IT) 24 Oct 2010 07:47


import java.util.Arrays;
import java.util.Scanner;

public class Timus1403 {

    /**
     * @param args
     */
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        Order[] order = new Order[n];
        int[] num = new int[100001];
        int[] ans = new int[100001];
        boolean[] used = new boolean[100001];
        Arrays.fill(used, false);
        for (int i = 0; i < order.length; i++) {
            int d = input.nextInt();
            int p = input.nextInt();
            order[i] = new Order(i + 1, d, p);
        }
        for (int i = 0; i < num.length; i++) {
            num[i] = i;
        }
        Arrays.sort(order);
        int count = 0;
        for (int i = 0; i < order.length; i++) {
            int j = order[i].deadline;
            if(num[j] > 0 && !used[num[j]]){
                count++;
                int x = num[j];
                ans[num[j]] = order[i].index;
                used[num[j]] = true;
                num[num[j]] = num[j] - 1;
                if(x == j){
                    continue;
                }
                num[order[i].deadline]--;

            }
        }
        System.out.println(count);
        for (int i = 0; i < used.length; i++) {
            if(used[i]){
                System.out.print(ans[i] + " ");
            }
        }


    }

}

class Order implements Comparable<Order>{
    public int index;
    public int deadline;
    public int price;

    public Order(int i, int d, int p){
        index = i;
        deadline = d;
        price = p;
    }

    @Override
    public String toString(){
        String ret = "";
        ret+= this.index + " " + this.deadline + " " + this.price;
        return ret;
    }

    public int compareTo(Order other) {
        return -(this.price - other.price);
    }

}

Edited by author 24.10.2010 08:20