結果
| 問題 |
No.496 ワープクリスタル (給料日前編)
|
| コンテスト | |
| ユーザー |
yun_app
|
| 提出日時 | 2017-03-28 17:12:05 |
| 言語 | Java (openjdk 23) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 3,125 bytes |
| コンパイル時間 | 1,905 ms |
| コンパイル使用メモリ | 78,264 KB |
| 実行使用メモリ | 76,312 KB |
| 最終ジャッジ日時 | 2024-07-06 13:23:08 |
| 合計ジャッジ時間 | 6,804 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 4 TLE * 1 -- * 18 |
ソースコード
/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Main
{
public static void main (String[] args) throws java.lang.Exception
{
// your code goes here
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String[] lines = br.readLine().split(" ");
int gx = Integer.parseInt(lines[0]);
int gy = Integer.parseInt(lines[1]);
int n = Integer.parseInt(lines[2]);
int f = Integer.parseInt(lines[3]);
Place start = new Place(0,0);
Place goal = new Place(gx,gy);
ArrayList<Crystal> crystals = new ArrayList<Crystal>();
for(int i=0;i<n;i++){
crystals.add(new Crystal(i,br.readLine()));
}
PriorityQueue<Place> queue = new PriorityQueue<Place>(1, new Comparator<Place>(){
public int compare(Place p1,Place p2){
return p1.c-p2.c;
}
});
queue.add(start);
while(!queue.isEmpty()){
Place now = queue.poll();
if(now.x == goal.x && now.y == goal.y){
goal = now;
break;
}
for(Crystal c:crystals){
if(now.canUseCrystal(c)){
Place newPlace = now.clone();
newPlace.useCrystal(c);
if(newPlace.x <= goal.x && newPlace.y <= goal.y){
queue.add(newPlace);
}
}
}
Place newPlace = now.clone();
newPlace.move(goal,f);
queue.add(newPlace);
}
System.out.println(goal.c);
}
private static class Place{
int x,y;
int c;
ArrayList<Integer> useCrystal = new ArrayList<Integer>();
public Place(int x,int y){
this.x = x;
this.y = y;
this.c = 0;
}
public Place clone(){
Place p = new Place(this.x,this.y);
p.c = this.c;
for(int n:this.useCrystal){
p.useCrystal.add(n);
}
return p;
}
public boolean canUseCrystal(Crystal c){
return useCrystal.indexOf(c.no)==-1;
}
public void useCrystal(Crystal c){
this.x += c.x;
this.y += c.y;
this.c += c.c;
useCrystal.add(c.no);
}
public void move(Place g,int f){
int cost = f*(g.x-this.x);
cost += f*(g.y-this.y);
this.x = g.x;
this.y = g.y;
this.c += cost;
}
}
private static class Crystal{
public int no;
public int x,y,c;
public Crystal(int no,String line){
this.no = no;
String[] lines = line.split(" ");
this.x = Integer.parseInt(lines[0]);
this.y = Integer.parseInt(lines[1]);
this.c = Integer.parseInt(lines[2]);
}
}
}
yun_app