結果
問題 | No.217 魔方陣を作ろう |
ユーザー |
👑 |
提出日時 | 2019-04-09 00:50:05 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 3,121 bytes |
コンパイル時間 | 9,287 ms |
コンパイル使用メモリ | 319,720 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-13 05:01:00 |
合計ジャッジ時間 | 9,926 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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ファイルパターン | 結果 |
---|---|
other | AC * 18 |
ソースコード
import std.conv, std.functional, std.stdio, std.string;import std.algorithm, std.array, std.bigint, std.complex, std.container, std.math, std.numeric, std.range, std.regex, std.typecons;import core.bitop;class EOFException : Throwable { this() { super("EOF"); } }string[] tokens;string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }int readInt() { return readToken.to!int; }long readLong() { return readToken.to!long; }real readReal() { return readToken.to!real; }bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1;(unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }int N;void main() {try {for (; ; ) {N = readInt();auto a = new int[][](N, N);if (N % 4 == 0) {foreach (x; 0 .. N) foreach (y; 0 .. N) {a[x][y] = x * N + y;}foreach (x; 0 .. N / 2) foreach (y; 0 .. N) {if ((popcnt(x & 3) - popcnt(y & 3)) % 2 != 0) {swap(a[x][y], a[N - 1 - x][N - 1 - y]);}}} else if (N % 4 == 2) {auto b = new int[][](N / 2, N / 2);foreach (i; 0 .. N / 2) foreach (j; 0 .. N / 2) {const x = -(N / 2) / 2 + i + j;const y = (N / 2) / 2 - i + j;b[(x + N / 2) % (N / 2)][(y + N / 2) % (N / 2)] = i * (N / 2) + j;}foreach (x; 0 .. N / 2) foreach (y; 0 .. N / 2) {int[][] c;if (x < (N / 2) / 2) {c = [[3, 0], [1, 2]];} else if (x == (N / 2) / 2) {c = (y != (N / 2) / 2) ? [[3, 0], [1, 2]] : [[0, 3], [1, 2]];} else if (x == (N / 2) / 2 + 1) {c = (y == (N / 2) / 2) ? [[3, 0], [1, 2]] : [[0, 3], [1, 2]];} else {c = [[0, 3], [2, 1]];}foreach (dx; 0 .. 2) foreach (dy; 0 .. 2) {a[x * 2 + dx][y * 2 + dy] = b[x][y] * 4 + c[dx][dy];}}} else {foreach (i; 0 .. N) foreach (j; 0 .. N) {const x = -N / 2 + i + j;const y = N / 2 - i + j;a[(x + N) % N][(y + N) % N] = i * N + j;}}foreach (x; 0 .. N) {writeln(a[x].map!(t => t + 1).to!string.replaceAll(regex(`[\[\],]`), ""));}const sum = a[0].sum;foreach (x; 0 .. N) {assert(sum == a[x].sum);}foreach (y; 0 .. N) {assert(sum == iota(N).map!(x => a[x][y]).sum);}assert(sum == iota(N).map!(x => a[x][x]).sum);assert(sum == iota(N).map!(x => a[x][N - 1 - x]).sum);}} catch (EOFException e) {}}