結果
問題 | No.283 スライドパズルと魔方陣 |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-04-27 05:34:32 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 24 ms / 2,000 ms |
コード長 | 4,645 bytes |
コンパイル時間 | 8,984 ms |
コンパイル使用メモリ | 319,040 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 01:01:54 |
合計ジャッジ時間 | 10,520 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 1 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 1 ms
6,944 KB |
testcase_14 | AC | 1 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 5 ms
6,944 KB |
testcase_22 | AC | 5 ms
6,940 KB |
testcase_23 | AC | 5 ms
6,944 KB |
testcase_24 | AC | 5 ms
6,944 KB |
testcase_25 | AC | 5 ms
6,940 KB |
testcase_26 | AC | 5 ms
6,940 KB |
testcase_27 | AC | 21 ms
6,940 KB |
testcase_28 | AC | 21 ms
6,940 KB |
testcase_29 | AC | 23 ms
6,940 KB |
testcase_30 | AC | 23 ms
6,944 KB |
testcase_31 | AC | 23 ms
6,944 KB |
testcase_32 | AC | 23 ms
6,940 KB |
testcase_33 | AC | 23 ms
6,944 KB |
testcase_34 | AC | 23 ms
6,944 KB |
testcase_35 | AC | 23 ms
6,940 KB |
testcase_36 | AC | 24 ms
6,940 KB |
testcase_37 | AC | 23 ms
6,940 KB |
testcase_38 | AC | 23 ms
6,940 KB |
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; int[][] A; int calc(in int[][] a) { int[] perm; foreach (x; 0 .. N) { if (x % 2 == 0) { foreach (y; 0 .. N) { if (1 <= a[x][y] && a[x][y] <= N^^2 - 1) { perm ~= a[x][y]; } } } else { foreach_reverse (y; 0 .. N) { if (1 <= a[x][y] && a[x][y] <= N^^2 - 1) { perm ~= a[x][y]; } } } } int s; foreach (i; 0 .. perm.length) foreach (j; i + 1 .. perm.length) { if (perm[i] > perm[j]) { s ^= 1; } } return s; } void main() { try { for (; ; ) { N = readInt(); A = new int[][](N, N); foreach (x; 0 .. N) foreach (y; 0 .. N) { A[x][y] = readInt(); } // for(N=3;N<=50;++N){A=new int[][](N,N); if (N == 2) { writeln("impossible"); continue; } 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) foreach (y; 0 .. N) { ++a[x][y]; } auto a1 = new int[][](N, N); foreach (x; 0 .. N) foreach (y; 0 .. N) { a1[x][y] = a[x][N - 1 - y]; } auto a2 = new int[][](N, N); foreach (x; 0 .. N) foreach (y; 0 .. N) { a2[x][y] = a[x][y]; } swap(a2[0], a2[N - 1]); const sA = calc(A); const sa = calc(a); const sa1 = calc(a1); const sa2 = calc(a2); debug { writefln("N = %2d: %s %s %s", N, sa, sa1, sa2); stdout.flush; } if (sA == sa) { // ok } else if (sA == sa1) { a = a1; } else if (sA == sa2) { a = a2; } else { assert(false); } writeln("possible"); foreach (x; 0 .. N) { writeln(a[x].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) { } }