結果
問題 | No.1065 電柱 / Pole (Easy) |
ユーザー | 37zigen |
提出日時 | 2020-06-11 04:26:45 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 857 ms / 2,000 ms |
コード長 | 3,768 bytes |
コンパイル時間 | 2,302 ms |
コンパイル使用メモリ | 80,280 KB |
実行使用メモリ | 90,092 KB |
最終ジャッジ日時 | 2024-06-24 01:50:23 |
合計ジャッジ時間 | 25,422 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 53 ms
50,264 KB |
testcase_01 | AC | 54 ms
50,220 KB |
testcase_02 | AC | 528 ms
73,312 KB |
testcase_03 | AC | 704 ms
82,548 KB |
testcase_04 | AC | 574 ms
82,888 KB |
testcase_05 | AC | 463 ms
82,800 KB |
testcase_06 | AC | 489 ms
82,592 KB |
testcase_07 | AC | 251 ms
63,468 KB |
testcase_08 | AC | 496 ms
90,092 KB |
testcase_09 | AC | 187 ms
59,076 KB |
testcase_10 | AC | 339 ms
72,476 KB |
testcase_11 | AC | 273 ms
63,420 KB |
testcase_12 | AC | 158 ms
56,012 KB |
testcase_13 | AC | 549 ms
70,568 KB |
testcase_14 | AC | 617 ms
77,820 KB |
testcase_15 | AC | 612 ms
79,892 KB |
testcase_16 | AC | 421 ms
65,512 KB |
testcase_17 | AC | 685 ms
81,976 KB |
testcase_18 | AC | 319 ms
61,460 KB |
testcase_19 | AC | 699 ms
81,184 KB |
testcase_20 | AC | 297 ms
61,176 KB |
testcase_21 | AC | 349 ms
61,544 KB |
testcase_22 | AC | 589 ms
81,340 KB |
testcase_23 | AC | 72 ms
51,316 KB |
testcase_24 | AC | 86 ms
51,680 KB |
testcase_25 | AC | 152 ms
55,480 KB |
testcase_26 | AC | 508 ms
67,128 KB |
testcase_27 | AC | 474 ms
66,968 KB |
testcase_28 | AC | 674 ms
76,184 KB |
testcase_29 | AC | 196 ms
56,364 KB |
testcase_30 | AC | 607 ms
81,280 KB |
testcase_31 | AC | 562 ms
73,224 KB |
testcase_32 | AC | 416 ms
66,168 KB |
testcase_33 | AC | 857 ms
85,104 KB |
testcase_34 | AC | 382 ms
61,508 KB |
testcase_35 | AC | 765 ms
81,964 KB |
testcase_36 | AC | 84 ms
51,236 KB |
testcase_37 | AC | 113 ms
53,496 KB |
testcase_38 | AC | 88 ms
52,280 KB |
testcase_39 | AC | 98 ms
53,152 KB |
testcase_40 | AC | 60 ms
50,724 KB |
testcase_41 | AC | 731 ms
90,008 KB |
testcase_42 | AC | 387 ms
65,188 KB |
testcase_43 | AC | 552 ms
75,792 KB |
testcase_44 | AC | 304 ms
61,308 KB |
testcase_45 | AC | 518 ms
76,136 KB |
testcase_46 | AC | 54 ms
50,512 KB |
testcase_47 | AC | 56 ms
50,712 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.Arrays; import java.util.NoSuchElementException; import java.util.PriorityQueue; public class Main { public static void main(String[] args) { new Main().run(); } final long MOD=998244353; class State implements Comparable<State>{ int v; double d; public State(int v,double d) { this.v=v; this.d=d; } @Override public int compareTo(State o) { return Double.compare(d, o.d); } } double dist(double x0,double y0,double x1,double y1) { double dx=x0-x1; double dy=y0-y1; return Math.sqrt(dx*dx+dy*dy); } void run() { FastScanner sc=new FastScanner(); int N=sc.nextInt(); int M=sc.nextInt(); int X=sc.nextInt()-1; int Y=sc.nextInt()-1; double[] p=new double[N]; double[] q=new double[N]; for (int i=0;i<N;++i) { p[i]=sc.nextDouble(); q[i]=sc.nextDouble(); } ArrayList<Integer>[] g=new ArrayList[N]; for (int i=0;i<N;++i) g[i]=new ArrayList<>(); for (int i=0;i<M;++i) { int a=sc.nextInt()-1; int b=sc.nextInt()-1; g[a].add(b); g[b].add(a); } double[] dist=new double[N]; Arrays.fill(dist, Double.MAX_VALUE/3); dist[X]=0; PriorityQueue<State> pq=new PriorityQueue<>(); pq.add(new State(X,0)); while (!pq.isEmpty()) { State s=pq.poll(); if (dist[s.v]<s.d) continue; for (int dst:g[s.v]) { if (dist[dst]>dist[s.v]+dist(p[s.v],q[s.v],p[dst],q[dst])) { dist[dst]=dist[s.v]+dist(p[s.v],q[s.v],p[dst],q[dst]); pq.add(new State(dst, dist[dst])); } } } System.out.println(dist[Y]); } void tr(Object...o) {System.out.println(Arrays.deepToString(o));} } class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return minus ? -n : n; }else{ throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next());} }