結果
| 問題 |
No.1 道のショートカット
|
| コンテスト | |
| ユーザー |
threepipes_s
|
| 提出日時 | 2015-02-21 01:43:07 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,392 bytes |
| コンパイル時間 | 2,688 ms |
| コンパイル使用メモリ | 79,900 KB |
| 実行使用メモリ | 53,704 KB |
| 最終ジャッジ日時 | 2024-07-08 03:47:55 |
| 合計ジャッジ時間 | 5,692 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 WA * 1 |
| other | AC * 16 WA * 24 |
ソースコード
import java.awt.Point;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
public class Main {
public static final int INF = 1 << 30;
public static int[][][] path;
public static int[][] dp;
public static int n;
public static void main(String[] args) throws NumberFormatException, IOException{
ContestScanner in = new ContestScanner();
n = in.nextInt();
int c = in.nextInt();
int v = in.nextInt();
path = new int[n][n][2];
int[][] vals = new int[v][4];
for(int i=0; i<4; i++){
for(int j=0; j<v; j++){
vals[j][i] = in.nextInt();
}
}
for(int i=0; i<v; i++){
path[vals[i][0]-1][vals[i][1]-1][0] = vals[i][2];
path[vals[i][0]-1][vals[i][1]-1][1] = vals[i][3];
}
dp = new int[n][c+1];
for(int i=0; i<n; i++){
for(int j=0; j<=c; j++){
dp[i][j] = INF;
}
}
dp[0][c] = 0;
for(int i=0; i<n; i++){
for(int j=0; j<n; j++){
if(path[i][j][0] == 0) continue;
for(int k=c; k>=0; k--){
int nxtM = k-path[i][j][0];
if(nxtM < 0) break;
dp[j][nxtM] = Math.min(dp[j][nxtM], dp[i][k]+path[i][j][1]);
}
}
}
int min = INF;
for(int i=0; i<=c; i++){
min = Math.min(min, dp[n-1][i]);
}
// for(int i=0; i<n; i++){
// for(int j=0; j<=c; j++){
// System.out.print(dp[i][j]+" ");
// }
// System.out.println();
// }
if(min == INF){
System.out.println(-1);
return;
}
System.out.println(min);
}
public static void dfs(int town, int money){
for(int i=0; i<n; i++){
if(path[town][i][0] == 0) continue;
int nextM = money - path[town][i][0];
if(nextM < 0) continue;
int time = path[town][i][1];
if(dp[i][nextM] <= dp[town][money]+time) continue;
dp[i][nextM] = dp[town][money]+time;
dfs(i, nextM);
}
}
}
class MyComp implements Comparator<int[]>{
public int compare(int[] a, int[] b) {
return a[0] - b[0];
}
}
class Reverse implements Comparator<Integer>{
public int compare(Integer arg0, Integer arg1) {
return arg1 - arg0;
}
}
class Node{
int color;
boolean checked;
List<Integer> to = new ArrayList<Integer>();
public Node(){
checked = false;
}
}
//class Node{
// int id;
// List<Node> edge = new ArrayList<Node>();
// public Node(int id){
// this.id = id;
// }
// public void createEdge(Node node){
// edge.add(node);
// }
//}
class ContestScanner{
private BufferedReader reader;
private String[] line;
private int idx;
public ContestScanner() throws FileNotFoundException{
reader = new BufferedReader(new InputStreamReader(System.in));
}
public ContestScanner(String filename) throws FileNotFoundException{
reader = new BufferedReader(new InputStreamReader(new FileInputStream(filename)));
}
public String nextToken() throws IOException{
if(line == null || line.length <= idx){
line = reader.readLine().trim().split(" ");
idx = 0;
}
return line[idx++];
}
public long nextLong() throws IOException, NumberFormatException{
return Long.parseLong(nextToken());
}
public int nextInt() throws NumberFormatException, IOException{
return (int)nextLong();
}
public double nextDouble() throws NumberFormatException, IOException{
return Double.parseDouble(nextToken());
}
}
threepipes_s