結果
問題 | No.401 数字の渦巻き |
ユーザー |
|
提出日時 | 2017-08-21 15:06:52 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 2,393 bytes |
コンパイル時間 | 1,848 ms |
コンパイル使用メモリ | 149,028 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-12 21:42:25 |
合計ジャッジ時間 | 2,721 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 30 |
ソースコード
import std.algorithm, std.conv, std.range, std.stdio, std.string;alias Point!int point;alias Grid!(int, int) grid;const dirs = [point(1, 0), point(0, 1), point(-1, 0), point(0, -1)];void main(){auto n = readln.chomp.to!size_t;auto g = grid(n, n), c = 1, p = point(0, 0), d = 0;while (c <= n*n) {g[p] = c++;auto np = p + dirs[d];if (!g.validPoint(np) || g[np]) {d = (d + 1) % 4;np = p + dirs[d];}p = np;}foreach (i; 0..n) {foreach (j; 0..n) {writef("%03d", g[i][j]);if (j < n-1) write(" ");}writeln;}}struct Point(T){T x, y;pure auto opBinary(string op: "+")(Point!T rhs) const { return Point!T(x + rhs.x, y + rhs.y); }pure auto opBinary(string op: "-")(Point!T rhs) const { return Point!T(x - rhs.x, y - rhs.y); }}struct Grid(T, U){import std.algorithm, std.conv, std.range, std.traits, std.typecons;const sibs4 = [Point!U(-1, 0), Point!U(0, -1), Point!U(1, 0), Point!U(0, 1)];const sibs8 = [Point!U(-1, 0), Point!U(-1, -1), Point!U(0, -1), Point!U(1, -1),Point!U(1, 0), Point!U(1, 1), Point!U(0, 1), Point!U(-1, 1)];T[][] m;const size_t rows, cols;mixin Proxy!m;this(size_t r, size_t c) { rows = r; cols = c; m = new T[][](rows, cols); }this(T[][] s) { rows = s.length; cols = s[0].length; m = s; }pure auto dup() const { return Grid(m.map!(r => r.dup).array); }ref pure auto opIndex(Point!U p) { return m[p.y][p.x]; }ref pure auto opIndex(size_t y) { return m[y]; }ref pure auto opIndex(size_t y, size_t x) const { return m[y][x]; }static if (isAssignable!T) {auto opIndexAssign(T v, Point!U p) { return m[p.y][p.x] = v; }auto opIndexAssign(T v, size_t y, size_t x) { return m[y][x] = v; }auto opIndexOpAssign(string op, V)(V v, Point!U p) { return mixin("m[p.y][p.x] " ~ op ~ "= v"); }auto opIndexOpAssign(string op, V)(V v, size_t y, size_t x) { return mixin("m[y][x] " ~ op ~ "= v"); }}pure auto validPoint(Point!U p) { return p.x >= 0 && p.x < cols && p.y >= 0 && p.y < rows; }pure auto points() const { return rows.to!U.iota.map!(y => cols.to!U.iota.map!(x => Point!U(x, y))).joiner; }pure auto sibPoints4(Point!U p) { return sibs4.map!(s => p + s).filter!(p => validPoint(p)); }pure auto sibPoints8(Point!U p) { return sibs8.map!(s => p + s).filter!(p => validPoint(p)); }}