結果
問題 |
No.1 道のショートカット
|
ユーザー |
![]() |
提出日時 | 2015-02-21 02:06:25 |
言語 | Java (openjdk 23) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,500 bytes |
コンパイル時間 | 2,621 ms |
コンパイル使用メモリ | 79,580 KB |
実行使用メモリ | 52,436 KB |
最終ジャッジ日時 | 2024-07-08 03:48:17 |
合計ジャッジ時間 | 5,749 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<=c; i++){ dp[0][i] = 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]); } // System.out.println(); // for(int i=0; i<n; i++){ // for(int j=0; j<=c; j++){ // System.out.print(dp[i][j]+" "); // } // System.out.println(); // } // 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()); } }