結果

問題 No.202 1円玉投げ
ユーザー uwiuwi
提出日時 2015-05-15 04:48:19
言語 Java21
(openjdk 21)
結果
AC  
実行時間 362 ms / 5,000 ms
コード長 3,598 bytes
コンパイル時間 3,561 ms
コンパイル使用メモリ 80,088 KB
実行使用メモリ 113,436 KB
最終ジャッジ日時 2023-08-23 22:50:13
合計ジャッジ時間 12,558 ms
ジャッジサーバーID
（参考情報） 		judge15 / judge12
このコードへのチャレンジ
（要ログイン）

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 192 ms
112,964 KB
testcase_01 AC 280 ms
112,824 KB
testcase_02 AC 91 ms
109,096 KB
testcase_03 AC 88 ms
108,956 KB
testcase_04 AC 91 ms
109,068 KB
testcase_05 AC 171 ms
112,724 KB
testcase_06 AC 298 ms
113,172 KB
testcase_07 AC 287 ms
112,556 KB
testcase_08 AC 313 ms
112,896 KB
testcase_09 AC 225 ms
112,704 KB
testcase_10 AC 206 ms
112,892 KB
testcase_11 AC 238 ms
112,928 KB
testcase_12 AC 213 ms
113,076 KB
testcase_13 AC 215 ms
112,896 KB
testcase_14 AC 147 ms
112,712 KB
testcase_15 AC 247 ms
113,120 KB
testcase_16 AC 186 ms
113,436 KB
testcase_17 AC 185 ms
112,724 KB
testcase_18 AC 191 ms
112,964 KB
testcase_19 AC 238 ms
112,960 KB
testcase_20 AC 279 ms
113,032 KB
testcase_21 AC 240 ms
112,944 KB
testcase_22 AC 104 ms
110,256 KB
testcase_23 AC 104 ms
110,168 KB
testcase_24 AC 98 ms
110,456 KB
testcase_25 AC 98 ms
110,172 KB
testcase_26 AC 101 ms
110,084 KB
testcase_27 AC 99 ms
110,168 KB
testcase_28 AC 93 ms
110,264 KB
testcase_29 AC 92 ms
110,152 KB
testcase_30 AC 103 ms
110,220 KB
testcase_31 AC 94 ms
110,104 KB
testcase_32 AC 106 ms
110,268 KB
testcase_33 AC 100 ms
110,092 KB
testcase_34 AC 99 ms
110,248 KB
testcase_35 AC 182 ms
112,692 KB
testcase_36 AC 230 ms
112,896 KB
testcase_37 AC 362 ms
112,992 KB
testcase_38 AC 187 ms
113,264 KB
testcase_39 AC 95 ms
110,168 KB
testcase_40 AC 91 ms
109,456 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

package contest;

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 Q476_2 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void paint(long[] a, int inf, int sup)
	{
		if(inf>>>6 == sup>>>6){
			a[inf>>>6] |= ((sup+1&63) == 0 ? 0L : 1L<<sup+1)-(1L<<inf);
		}else{
			a[inf>>>6] |= -(1L<<inf);
			a[sup>>>6] |= ((sup+1&63) == 0 ? 0L : 1L<<sup+1)-1L;
			for(int i = (inf>>>6)+1;i < sup>>>6;i++)a[i] = -1L;
		}
	}
	
	void solve()
	{
		int n = ni();
		long[][] map = new long[20001][22000>>>6];
		int ret = 0;
		int[] vj = new int[20];
		for(int i = 0;i < 20;i++){
			int j = (int)Math.sqrt(400-i*i);
			if(i*i+j*j == 400)j--;
			vj[i] = j;
		}
		for(int z = 0;z < n;z++){
			int x = ni(), y = ni();
			if(map[x][y>>>6]<<~y<0)continue;
			for(int i = -19;i <= 19;i++){
				if(x+i < 0 || x+i > 20000)continue;
				int inf = Math.max(0, y-vj[Math.abs(i)]);
				int sup = y+vj[Math.abs(i)];
				paint(map[x+i], inf, sup);
			}
			ret++;
		}
		out.println(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");
	}
	
	public static void main(String[] args) throws Exception { new Q476_2().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 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[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private int ni()
	{
		int num = 0, 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 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)); }
}
0