結果
問題 |
No.202 1円玉投げ
|
ユーザー |
|
提出日時 | 2020-04-09 02:06:57 |
言語 | Java (openjdk 23) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 3,045 bytes |
コンパイル時間 | 3,730 ms |
コンパイル使用メモリ | 78,112 KB |
実行使用メモリ | 69,444 KB |
最終ジャッジ日時 | 2024-12-22 11:54:32 |
合計ジャッジ時間 | 72,530 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 37 TLE * 1 |
ソースコード
import java.io.IOException; import java.io.InputStream; 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(); } void run() { FastScanner sc=new FastScanner(); int N=sc.nextInt(); 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) { for (int x=Math.max(0, X[i]-19);x<=X[i]+19;++x) { for (int y=Math.max(0, Y[i]-19);y<=Y[i]+19;++y) { long dx=x-X[i]; long dy=y-Y[i]; if (dx*dx+dy*dy>=20*20) continue; if (set.contains((long)x<<32|y)) { continue out; } } } ++ans; set.add((long)X[i]<<32|Y[i]); } 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());} }