結果

問題 No.401 数字の渦巻き
ユーザー uwiuwi
提出日時 2016-07-23 00:02:05
言語 Java21
(openjdk 21)
結果
AC  
実行時間 199 ms / 2,000 ms
コード長 3,529 bytes
コンパイル時間 4,159 ms
コンパイル使用メモリ 85,760 KB
実行使用メモリ 56,980 KB
最終ジャッジ日時 2024-11-06 09:33:57
合計ジャッジ時間 9,991 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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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 127 ms
53,952 KB
testcase_01 AC 125 ms
53,680 KB
testcase_02 AC 125 ms
54,052 KB
testcase_03 AC 126 ms
53,984 KB
testcase_04 AC 131 ms
53,924 KB
testcase_05 AC 130 ms
54,104 KB
testcase_06 AC 137 ms
53,772 KB
testcase_07 AC 138 ms
54,092 KB
testcase_08 AC 140 ms
53,992 KB
testcase_09 AC 142 ms
53,924 KB
testcase_10 AC 148 ms
53,924 KB
testcase_11 AC 151 ms
54,288 KB
testcase_12 AC 149 ms
54,236 KB
testcase_13 AC 157 ms
53,980 KB
testcase_14 AC 156 ms
54,016 KB
testcase_15 AC 157 ms
54,216 KB
testcase_16 AC 162 ms
54,256 KB
testcase_17 AC 173 ms
53,936 KB
testcase_18 AC 171 ms
54,152 KB
testcase_19 AC 176 ms
54,376 KB
testcase_20 AC 171 ms
54,480 KB
testcase_21 AC 173 ms
54,200 KB
testcase_22 AC 178 ms
54,008 KB
testcase_23 AC 176 ms
54,296 KB
testcase_24 AC 179 ms
54,112 KB
testcase_25 AC 192 ms
54,464 KB
testcase_26 AC 199 ms
54,392 KB
testcase_27 AC 198 ms
54,296 KB
testcase_28 AC 194 ms
54,448 KB
testcase_29 AC 198 ms
56,980 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 N401 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int n = ni();
		int[][] a = new int[n][n];
		int r = 0, c = 0;
		int val = 1;
		int[] dr = { 1, 0, -1, 0 };
		int[] dc = { 0, 1, 0, -1 };
		int d = 1;
		while(val <= n*n){
			a[r][c] = val;
			int nr = r + dr[d], nc = c + dc[d];
			if(nr >= 0 && nr < n && nc >= 0 && nc < n && a[nr][nc] == 0){
			}else{
				d = d+3&3;
				nr = r + dr[d]; nc = c + dc[d];
			}
			r = nr; c = nc;
			val++;
		}
		for(int i = 0;i < n;i++){
			for(int j = 0;j < n;j++){
				out.printf("%03d ", a[i][j]);
			}
			out.println();
		}
	}
	
	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 N401().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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