結果
問題 | No.202 1円玉投げ |
ユーザー |
|
提出日時 | 2018-05-27 20:14:16 |
言語 | Java (openjdk 23) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 2,853 bytes |
コンパイル時間 | 3,641 ms |
コンパイル使用メモリ | 78,204 KB |
実行使用メモリ | 129,252 KB |
最終ジャッジ日時 | 2024-12-21 04:08:30 |
合計ジャッジ時間 | 96,046 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 32 TLE * 6 |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.HashSet; import java.util.NoSuchElementException; import java.util.Scanner; public class Main { public static void main(String[] args) { new Main().run(); } void run() { FastScanner sc = new FastScanner(); int N = sc.nextInt(); int[] X = new int[N]; int[] Y = new int[N]; HashSet<Long> set = new HashSet<>(); loop1: for (int i = 0; i < N; ++i) { X[i] = sc.nextInt(); Y[i] = sc.nextInt(); for (int x = -20 + X[i]; x <= 20 + X[i]; ++x) { for (int y = -20 + Y[i]; y <= 20 + Y[i]; ++y) { if ((x - X[i]) * (x - X[i]) + (y - Y[i]) * (y - Y[i]) >= 400) continue; if (set.contains((long) x << 32 | y)) { continue loop1; } } } set.add((long) X[i] << 32 | Y[i]); } System.out.println(set.size()); } 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 boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); 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() { return (int)nextLong(); } } }