結果
| 問題 |
No.401 数字の渦巻き
|
| コンテスト | |
| ユーザー |
jp_ste
|
| 提出日時 | 2016-08-07 13:16:28 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 204 ms / 2,000 ms |
| コード長 | 3,651 bytes |
| コンパイル時間 | 2,585 ms |
| コンパイル使用メモリ | 78,100 KB |
| 実行使用メモリ | 44,164 KB |
| 最終ジャッジ日時 | 2024-11-07 07:15:24 |
| 合計ジャッジ時間 | 8,723 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | AC * 30 |
ソースコード
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.NoSuchElementException;
public class Main {
public static void main(String[] args) {
FastScanner scan = new FastScanner();
PrintWriter out = new PrintWriter(System.out);
int dx[] = { 1, 0, -1, 0 };
int dy[] = { 0, 1, 0, -1 };
int direc = 0;
int n = scan.nextInt();
int list[][] = new int[n][n];
int x = 0, y = 0;
int v = 1;
while(v <= n*n) {
list[y][x] = v;
int nx = x + dx[direc];
int ny = y + dy[direc];
if(nx >= 0 && nx < n && ny >= 0 && ny < n && list[ny][nx] == 0) {
} else {
direc = (direc + 1) % 4;
nx = x + dx[direc];
ny = y + dy[direc];
}
x = nx;
y = ny;
v ++;
}
for(int i=0; i<n; i++) {
for(int j=0; j<n; j++) {
if(j > 0) out.print(" ");
out.printf("%03d", list[i][j]);
}
out.println();
}
out.flush();
}
static 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;
}
private void skipUnprintable() {
while (hasNextByte() && !isPrintableChar(buffer[ptr]))
ptr++;
}
public boolean hasNext() {
skipUnprintable();
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 int nextInt() {
return (int) nextLong();
}
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();
}
}
}
}
jp_ste