結果
問題 | No.401 数字の渦巻き |
ユーザー | jp_ste |
提出日時 | 2016-08-07 12:32:54 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 196 ms / 2,000 ms |
コード長 | 4,146 bytes |
コンパイル時間 | 2,287 ms |
コンパイル使用メモリ | 77,572 KB |
実行使用メモリ | 45,112 KB |
最終ジャッジ日時 | 2024-11-07 07:14:37 |
合計ジャッジ時間 | 8,762 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 121 ms
40,704 KB |
testcase_01 | AC | 119 ms
40,940 KB |
testcase_02 | AC | 123 ms
41,144 KB |
testcase_03 | AC | 124 ms
41,056 KB |
testcase_04 | AC | 124 ms
40,940 KB |
testcase_05 | AC | 125 ms
41,244 KB |
testcase_06 | AC | 133 ms
41,016 KB |
testcase_07 | AC | 145 ms
41,108 KB |
testcase_08 | AC | 135 ms
41,116 KB |
testcase_09 | AC | 138 ms
40,988 KB |
testcase_10 | AC | 140 ms
41,244 KB |
testcase_11 | AC | 142 ms
41,392 KB |
testcase_12 | AC | 142 ms
41,224 KB |
testcase_13 | AC | 153 ms
40,980 KB |
testcase_14 | AC | 152 ms
41,100 KB |
testcase_15 | AC | 155 ms
41,620 KB |
testcase_16 | AC | 150 ms
41,220 KB |
testcase_17 | AC | 151 ms
41,068 KB |
testcase_18 | AC | 159 ms
41,516 KB |
testcase_19 | AC | 161 ms
41,564 KB |
testcase_20 | AC | 173 ms
41,456 KB |
testcase_21 | AC | 163 ms
41,248 KB |
testcase_22 | AC | 168 ms
41,068 KB |
testcase_23 | AC | 165 ms
41,320 KB |
testcase_24 | AC | 167 ms
41,396 KB |
testcase_25 | AC | 180 ms
41,908 KB |
testcase_26 | AC | 179 ms
41,912 KB |
testcase_27 | AC | 182 ms
41,692 KB |
testcase_28 | AC | 182 ms
42,268 KB |
testcase_29 | AC | 196 ms
45,112 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.NoSuchElementException; public class Main { public static void main(String[] args) { FastScanner scan = new FastScanner(); PrintWriter out = new PrintWriter(System.out); final int RIGHT = 0, DOWN = 1, LEFT = 2, UP = 3; int dx[] = { 1, 0, -1, 0 }; int dy[] = { 0, 1, 0, -1 }; int direc = RIGHT; int n = scan.nextInt(); int list[][] = new int[n][n]; int nx = 0, ny = 0; int v = 1; while(true) { list[ny][nx] = v; if(v == n*n) break; v++; nx += dx[direc]; ny += dy[direc]; if(direc == RIGHT) { if(nx+1 == n || list[ny][nx+1] != 0) { direc = DOWN; } } if(direc == DOWN) { if(ny+1 == n || list[ny+1][nx] != 0) { direc = LEFT; } } if(direc == LEFT) { if(nx-1 < 0 || list[ny][nx-1] != 0) { direc = UP; } } if(direc == UP) { if(ny-1 < 0 || list[ny-1][nx] != 0) { direc = RIGHT; } } } 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(); } } } }