結果
問題 | No.93 ペガサス |
ユーザー |
👑 |
提出日時 | 2015-01-26 17:12:27 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 3,078 ms / 5,000 ms |
コード長 | 3,233 bytes |
コンパイル時間 | 881 ms |
コンパイル使用メモリ | 122,112 KB |
実行使用メモリ | 21,504 KB |
最終ジャッジ日時 | 2024-06-12 02:06:00 |
合計ジャッジ時間 | 17,203 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 16 |
ソースコード
import core.thread;import std.conv, std.stdio, std.string;import std.algorithm, std.array, std.bigint, std.container, std.math, std.range, std.regex;// Inputclass EOFException : Throwable { this() { super("EOF"); } }string[] tokens;string readToken() { for (; tokens.empty; ) { tokens = readln.split; if (stdin.eof) throw new EOFException; } auto token = tokens[0]; tokens.popFront;return token; }int readInt() { return to!int(readToken); }long readLong() { return to!long(readToken); }real readReal() { return to!real(readToken); }// chmin/chmaxvoid chmin(T)(ref T t, in T f) { if (t > f) t = f; }void chmax(T)(ref T t, in T f) { if (t < f) t = f; }// Pairstruct Pair(S, T) {S x; T y;int opCmp( const Pair p) const { return (x < p.x) ? -1 : (x > p.x) ? +1 : (y < p.y) ? -1 : (y > p.y) ? +1 : 0; }int opCmp(ref const Pair p) const { return (x < p.x) ? -1 : (x > p.x) ? +1 : (y < p.y) ? -1 : (y > p.y) ? +1 : 0; }string toString() const { return "(" ~ to!string(x) ~ ", " ~ to!string(y) ~ ")"; }}auto pair(S, T)(inout(S) x, inout(T) y) { return Pair!(S, T)(x, y); }// Arrayint binarySearch(T)(in T[] as, in bool delegate(T) test) { int low = -1, upp = as.length; for (; low + 1 < upp; ) { int mid = (low + upp) >> 1; (test(as[mid]) ? low : upp) = mid; } return upp; }int lowerBound(T)(in T[] as, in T val) { return as.binarySearch((T a) { return (a < val); }); }int upperBound(T)(in T[] as, in T val) { return as.binarySearch((T a) { return (a <= val); }); }T[] unique(T)(in T[] as) { T[] bs; foreach (a; as) if (bs.empty || bs[$ - 1] != a) bs ~= a; return bs; }immutable long MO = 10^^9 + 7;int N;void main(string[] args) {try {for (; ; ) {N = readInt;auto crt = new long[][][][][][](3, 3, 2, 2, 2, 2);crt[0][0][0][0][0][0] = 1;foreach (i; 0 .. N) {auto nxt = new long[][][][][][](3, 3, 2, i + 3, 2, 2);foreach (b; 0 .. 3) foreach (c; 0 .. 3) foreach (d; 0 .. 2) {const a = (i + 1) - b - c - d;foreach (aa; 0 .. a + 1) foreach (bb; 0 .. 2) foreach (cc; 0 .. 2) {const tmp = crt[b][c][d][aa][bb][cc];if (tmp != 0) {debug{writeln(a," ",b," ",c," ",d," ",aa," ",bb," ",cc," ",0,"; ",tmp);}// small, small -> small, -1, smallif (a - aa > 0) {(nxt[c + d][2][0][aa + bb][cc][0] += tmp * (a - aa)) %= MO;}if (aa > 0) {(nxt[c + d][2][0][(aa - 1) + bb][cc][0] += tmp * aa) %= MO;}// -2, small -> small,* -1, smallif (b - bb > 0) {(nxt[c + d][2][0][aa + bb][cc][1] += tmp * (b - bb)) %= MO;}if (bb > 0) {(nxt[c + d][2][0][aa + (bb - 1)][cc][1] += tmp * bb) %= MO;}// -1, small -> -2, -1, smallif (c - cc > 0) {(nxt[(c - 1) + d][1][1][aa + bb][cc][0] += tmp * (c - cc)) %= MO;}if (cc > 0) {(nxt[(c - 1) + d][1][1][aa + bb][cc - 1][0] += tmp * cc) %= MO;}// -2, -1 -> small,* -1, -2if (d > 0) {(nxt[c + (d - 1)][1][1][aa + bb][cc][1] += tmp * d) %= MO;}}}}crt = nxt;}long ans;foreach (b; 0 .. 3) foreach (c; 0 .. 3) foreach (d; 0 .. 2) {(ans += crt[b][c][d][0][0][0]) %= MO;}writeln(ans);}} catch (EOFException) {}}