結果
問題 | No.202 1円玉投げ |
ユーザー | 37zigen |
提出日時 | 2020-04-09 05:03:36 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 706 ms / 5,000 ms |
コード長 | 3,491 bytes |
コンパイル時間 | 2,310 ms |
コンパイル使用メモリ | 74,908 KB |
実行使用メモリ | 96,368 KB |
最終ジャッジ日時 | 2023-08-24 00:12:32 |
合計ジャッジ時間 | 15,923 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge15 |
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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 | 706 ms
96,368 KB |
testcase_01 | AC | 505 ms
79,188 KB |
testcase_02 | AC | 58 ms
62,200 KB |
testcase_03 | AC | 58 ms
62,356 KB |
testcase_04 | AC | 58 ms
62,680 KB |
testcase_05 | AC | 121 ms
66,372 KB |
testcase_06 | AC | 556 ms
80,268 KB |
testcase_07 | AC | 545 ms
80,600 KB |
testcase_08 | AC | 533 ms
79,796 KB |
testcase_09 | AC | 356 ms
79,856 KB |
testcase_10 | AC | 201 ms
70,404 KB |
testcase_11 | AC | 299 ms
79,436 KB |
testcase_12 | AC | 280 ms
79,504 KB |
testcase_13 | AC | 179 ms
70,940 KB |
testcase_14 | AC | 129 ms
66,612 KB |
testcase_15 | AC | 277 ms
79,644 KB |
testcase_16 | AC | 574 ms
94,180 KB |
testcase_17 | AC | 563 ms
93,812 KB |
testcase_18 | AC | 548 ms
93,956 KB |
testcase_19 | AC | 320 ms
79,304 KB |
testcase_20 | AC | 495 ms
80,568 KB |
testcase_21 | AC | 319 ms
80,232 KB |
testcase_22 | AC | 82 ms
65,112 KB |
testcase_23 | AC | 70 ms
63,860 KB |
testcase_24 | AC | 65 ms
63,204 KB |
testcase_25 | AC | 67 ms
62,612 KB |
testcase_26 | AC | 83 ms
65,280 KB |
testcase_27 | AC | 68 ms
63,856 KB |
testcase_28 | AC | 68 ms
62,564 KB |
testcase_29 | AC | 68 ms
62,444 KB |
testcase_30 | AC | 89 ms
65,204 KB |
testcase_31 | AC | 68 ms
62,612 KB |
testcase_32 | AC | 70 ms
63,608 KB |
testcase_33 | AC | 72 ms
64,292 KB |
testcase_34 | AC | 103 ms
66,988 KB |
testcase_35 | AC | 668 ms
95,192 KB |
testcase_36 | AC | 513 ms
84,196 KB |
testcase_37 | AC | 590 ms
80,644 KB |
testcase_38 | AC | 614 ms
93,500 KB |
testcase_39 | AC | 61 ms
62,440 KB |
testcase_40 | AC | 57 ms
62,664 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.HashSet; import java.util.NoSuchElementException; import java.util.Set; public class Main { public static void main(String[] args) { new Main().run(); } boolean exist(int xs,int ys,int B,int x,int y,Set<Long> set) { for (int xnb=xs*B;xnb<(xs+1)*B;++xnb) { for (int ynb=ys*B;ynb<(ys+1)*B;++ynb) { int dx=x-xnb; int dy=y-ynb; if (dx*dx+dy*dy>=20*20) continue; if (set.contains((long)xnb<<32|ynb)) return true; } } return false; } void run() { FastScanner sc=new FastScanner(); int N=sc.nextInt(); int B=5; int MAX=(20001+B-1)/B; boolean[][] es=new boolean[MAX][MAX]; Set<Long> set=new HashSet<>(); int[] X=new int[N]; int[] Y=new int[N]; for (int i=0;i<N;++i) { X[i]=sc.nextInt(); Y[i]=sc.nextInt(); } int ans=0; out:for (int i=0;i<N;++i) { int xs=X[i]/B; int ys=Y[i]/B; for (int dx=-4;dx<=4;++dx) { for (int dy=-4;dy<=4;++dy) { if (xs+dx<0||ys+dy<0||xs+dx>=MAX||ys+dy>=MAX) continue; if (!es[xs+dx][ys+dy]) continue; if (exist(xs+dx,ys+dy,B,X[i],Y[i],set)) { continue out; } } } set.add((long)X[i]<<32|Y[i]); es[xs][ys]=true; ++ans; } System.out.println(ans); } void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));} } 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());} }