結果

問題 No.8031 （物理学）長距離相互作用
ユーザー uwi
提出日時 2016-10-12 15:56:56
言語 Java
(openjdk 23)
結果
WA  
実行時間 -
コード長 3,852 bytes
コンパイル時間 3,858 ms
コンパイル使用メモリ 85,272 KB
実行使用メモリ 56,308 KB
最終ジャッジ日時 2024-12-25 20:33:03
合計ジャッジ時間 19,255 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 1 WA * 10
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ソースコード

diff # 

package tester;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class Q1220 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		double[] a = new double[8];
		for(int i = 0;i < 8;i++)a[i] = nd();
		double[] b = new double[8];
		for(int i = 0;i < 8;i++)b[i] = nd();
		double ret = 0;
		int Z = 100;
		for(int x = -Z;x <= Z;x++){
			for(int y = -Z;y <= Z;y++){
				for(int z = -Z;z <= Z;z++){
					for(int i = 0;i < 8;i++){
						double xx = x, yy = y, zz = z;
						if(i<<~0<0)zz += 0.5;
						if(i<<~1<0)yy += 0.5;
						if(i<<~2<0)xx += 0.5;
						if(xx == 0 && yy == 0 && zz == 0)continue;
						ret += a[i]/Math.sqrt(xx*xx+yy*yy+zz*zz);
					}
					for(int i = 0;i < 8;i++){
						double xx = x+0.25, yy = y+0.25, zz = z+0.25;
						if(i<<~0<0)zz += 0.5;
						if(i<<~1<0)yy += 0.5;
						if(i<<~2<0)xx += 0.5;
						if(xx == 0 && yy == 0 && zz == 0)continue;
						ret += b[i]/Math.sqrt(xx*xx+yy*yy+zz*zz);
					}
				}
			}
		}
		out.printf("%.6f\n", ret);
	}
	
	void run() throws Exception
	{
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
//			@Override
//			public void run() {
//				long s = System.currentTimeMillis();
//				solve();
//				out.flush();
//				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//			}
//		};
//		t.start();
//		t.join();
	}
	
	public static void main(String[] args) throws Exception { new Q1220().run(); }
	
	private byte[] inbuf = new byte[1024];
	private int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}
	
	private char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[][] nmi(int n, int m) {
		int[][] map = new int[n][];
		for(int i = 0;i < n;i++)map[i] = na(m);
		return map;
	}
	
	private int ni() { return (int)nl(); }
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}
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