結果

問題 No.401 数字の渦巻き
ユーザー Grenache
提出日時 2016-07-22 22:30:58
言語 Java
(openjdk 23)
結果
AC  
実行時間 213 ms / 2,000 ms
コード長 2,040 bytes
コンパイル時間 3,874 ms
コンパイル使用メモリ 78,780 KB
実行使用メモリ 57,232 KB
最終ジャッジ日時 2024-11-06 09:03:46
合計ジャッジ時間 10,058 ms
ジャッジサーバーID
(参考情報)
judge3 / judge1
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 * 30
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 #
プレゼンテーションモードにする

import java.io.*;
import java.util.*;
public class Main_yukicoder401 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
Printer pr = new Printer(System.out);
int[] dx = {1, 0, -1, 0};
int[] dy = {0, 1, 0, -1};
int n = sc.nextInt();
int[][] ret = new int[n][n];
int d = 0;
int x = 0;
int y = 0;
for (int i = 0; i < n * n; i++) {
ret[y][x] = i + 1;
int nx = x + dx[d];
int ny = y + dy[d];
if (ny >= n || nx >= n || nx < 0 || ny < 0 || ret[ny][nx] > 0) {
d = (d + 1) % 4;
nx = x + dx[d];
ny = y + dy[d];
}
x = nx;
y = ny;
}
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (j > 0) {
pr.print(" ");
}
pr.printf("%03d", ret[i][j]);
}
pr.println();
}
pr.close();
sc.close();
}
@SuppressWarnings("unused")
private static class Scanner {
BufferedReader br;
Iterator<String> it;
Scanner (InputStream in) {
br = new BufferedReader(new InputStreamReader(in));
}
String next() throws RuntimeException {
try {
if (it == null || !it.hasNext()) {
// it = Arrays.asList(br.readLine().split(" ")).iterator();
it = Arrays.asList(br.readLine().split("\\p{javaWhitespace}+")).iterator();
}
return it.next();
} catch (IOException e) {
throw new IllegalStateException();
}
}
int nextInt() throws RuntimeException {
return Integer.parseInt(next());
}
long nextLong() throws RuntimeException {
return Long.parseLong(next());
}
float nextFloat() throws RuntimeException {
return Float.parseFloat(next());
}
double nextDouble() throws RuntimeException {
return Double.parseDouble(next());
}
void close() {
try {
br.close();
} catch (IOException e) {
// throw new IllegalStateException();
}
}
}
private static class Printer extends PrintWriter {
Printer(PrintStream out) {
super(out);
}
}
}
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