結果
問題 | No.1 道のショートカット |
ユーザー | threepipes_s |
提出日時 | 2015-02-21 02:45:39 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 111 ms / 5,000 ms |
コード長 | 3,816 bytes |
コンパイル時間 | 5,130 ms |
コンパイル使用メモリ | 80,064 KB |
実行使用メモリ | 39,576 KB |
最終ジャッジ日時 | 2024-07-20 16:10:15 |
合計ジャッジ時間 | 6,504 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 51 ms
37,120 KB |
testcase_01 | AC | 52 ms
37,276 KB |
testcase_02 | AC | 51 ms
37,104 KB |
testcase_03 | AC | 51 ms
37,248 KB |
testcase_04 | AC | 51 ms
36,932 KB |
testcase_05 | AC | 51 ms
37,288 KB |
testcase_06 | AC | 52 ms
37,296 KB |
testcase_07 | AC | 52 ms
36,908 KB |
testcase_08 | AC | 98 ms
38,712 KB |
testcase_09 | AC | 90 ms
38,212 KB |
testcase_10 | AC | 86 ms
38,424 KB |
testcase_11 | AC | 86 ms
38,504 KB |
testcase_12 | AC | 106 ms
39,576 KB |
testcase_13 | AC | 89 ms
39,296 KB |
testcase_14 | AC | 54 ms
37,344 KB |
testcase_15 | AC | 51 ms
36,880 KB |
testcase_16 | AC | 57 ms
37,496 KB |
testcase_17 | AC | 52 ms
37,092 KB |
testcase_18 | AC | 54 ms
37,264 KB |
testcase_19 | AC | 58 ms
37,360 KB |
testcase_20 | AC | 59 ms
37,260 KB |
testcase_21 | AC | 60 ms
37,372 KB |
testcase_22 | AC | 54 ms
37,240 KB |
testcase_23 | AC | 108 ms
39,480 KB |
testcase_24 | AC | 111 ms
38,524 KB |
testcase_25 | AC | 78 ms
38,132 KB |
testcase_26 | AC | 60 ms
37,300 KB |
testcase_27 | AC | 95 ms
38,648 KB |
testcase_28 | AC | 52 ms
37,256 KB |
testcase_29 | AC | 78 ms
38,428 KB |
testcase_30 | AC | 58 ms
36,980 KB |
testcase_31 | AC | 79 ms
38,036 KB |
testcase_32 | AC | 83 ms
38,636 KB |
testcase_33 | AC | 85 ms
38,296 KB |
testcase_34 | AC | 86 ms
38,852 KB |
testcase_35 | AC | 78 ms
38,144 KB |
testcase_36 | AC | 79 ms
38,468 KB |
testcase_37 | AC | 64 ms
38,400 KB |
testcase_38 | AC | 53 ms
37,168 KB |
testcase_39 | AC | 57 ms
37,348 KB |
testcase_40 | AC | 57 ms
37,280 KB |
testcase_41 | AC | 53 ms
37,132 KB |
testcase_42 | AC | 52 ms
37,016 KB |
testcase_43 | AC | 66 ms
36,888 KB |
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 List<Pair>[][] 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 List[n][n]; 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++){ // if(path[vals[i][0]-1][vals[i][1]-1][0] != 0) System.out.println("!!!!"); if(path[vals[i][0]-1][vals[i][1]-1] == null) path[vals[i][0]-1][vals[i][1]-1] = new LinkedList<Pair>(); path[vals[i][0]-1][vals[i][1]-1].add(new Pair(vals[i][2], 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=i+1; j<n; j++){ if(path[i][j] != null) for(Pair p : path[i][j]){ for(int k=c; k>=0; k--){ int nxtM = k-p.cost; if(nxtM < 0) break; dp[j][nxtM] = Math.min(dp[j][nxtM], dp[i][k]+p.time); } } } } 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 Pair{ int cost; int time; public Pair(int cost, int time){ this.cost = cost; this.time = time; } } 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()); } }