結果
問題 | No.1759 Silver Tour |
ユーザー | 👑 hos.lyric |
提出日時 | 2021-11-20 17:19:13 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 5,126 bytes |
コンパイル時間 | 1,480 ms |
コンパイル使用メモリ | 155,928 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-22 13:24:22 |
合計ジャッジ時間 | 2,602 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 1 ms
6,940 KB |
testcase_14 | AC | 1 ms
6,944 KB |
testcase_15 | AC | 1 ms
6,940 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,944 KB |
testcase_18 | AC | 1 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 1 ms
6,944 KB |
testcase_21 | AC | 1 ms
6,944 KB |
testcase_22 | AC | 1 ms
6,944 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 1 ms
6,944 KB |
testcase_25 | AC | 1 ms
6,940 KB |
testcase_26 | AC | 1 ms
6,944 KB |
testcase_27 | AC | 1 ms
6,940 KB |
testcase_28 | AC | 1 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 1 ms
6,944 KB |
testcase_31 | AC | 1 ms
6,944 KB |
testcase_32 | AC | 1 ms
6,944 KB |
testcase_33 | AC | 2 ms
6,944 KB |
testcase_34 | AC | 1 ms
6,948 KB |
testcase_35 | AC | 1 ms
6,940 KB |
testcase_36 | AC | 1 ms
6,944 KB |
testcase_37 | AC | 1 ms
6,944 KB |
testcase_38 | AC | 1 ms
6,940 KB |
testcase_39 | AC | 1 ms
6,944 KB |
testcase_40 | AC | 1 ms
6,940 KB |
testcase_41 | AC | 1 ms
6,944 KB |
testcase_42 | AC | 1 ms
6,944 KB |
testcase_43 | AC | 1 ms
6,940 KB |
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, 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)); } struct ModInt { static int M; int x; this(ModInt a) { x = a.x; } this(long a) { x = cast(int)(a % M); if (x < 0) x += M; } // ref ModInt opAssign(long a) { return (this = ModInt(a)); } ref ModInt opOpAssign(string op)(ModInt a) { static if (op == "+") { x += a.x; if (x >= M) x -= M; } else static if (op == "-") { x -= a.x; if (x < 0) x += M; } else static if (op == "*") { x = cast(int)((cast(long)(x) * a.x) % M); } else static if (op == "/") { this *= a.inv(); } else static assert(false); return this; } ref ModInt opOpAssign(string op)(long a) { static if (op == "^^") { if (a < 0) return (this = inv()^^(-a)); ModInt t2 = this, te = ModInt(1); for (long e = a; e; e >>= 1) { if (e & 1) te *= t2; t2 *= t2; } x = cast(int)(te.x); return this; } else return mixin("this " ~ op ~ "= ModInt(a)"); } ModInt inv() const { int a = x, b = M, y = 1, z = 0, t; for (; ; ) { t = a / b; a -= t * b; if (a == 0) { assert(b == 1 || b == -1); return ModInt(b * z); } y -= t * z; t = b / a; b -= t * a; if (b == 0) { assert(a == 1 || a == -1); return ModInt(a * y); } z -= t * y; } } ModInt opUnary(string op)() const if (op == "-") { return ModInt(-x); } ModInt opBinary(string op, T)(T a) const { return mixin("ModInt(this) " ~ op ~ "= a"); } ModInt opBinaryRight(string op)(long a) const { return mixin("ModInt(a) " ~ op ~ "= this"); } string toString() const { return x.to!string; } } alias Mint = ModInt; enum DX = [-1, -1, +1, +1, +1]; enum DY = [-1, +1, -1, 0, +1]; void main() { debug { foreach (n; 2 .. 16 + 1) { foreach (s; 0 .. n) { auto cnt = new int[n]; auto vis = new bool[][](2, n); void dfs(int len, int x, int y) { if (vis[x][y]) return; vis[x][y] = true; if (len == 2 * n) { assert(x == 1); ++cnt[y]; } else { foreach (dir; 0 .. 5) { const xx = x + DX[dir]; const yy = y + DY[dir]; if (0 <= xx && xx < 2 && 0 <= yy && yy < n) { dfs(len + 1, xx, yy); } } } vis[x][y] = false; } dfs(1, 0, s); writeln(cnt); foreach (t; 0 .. 2) { int c; if (s < t && s % 2 == 0 && (n - 1 - t) % 2 == 0) ++c; if (t < s && t % 2 == 0 && (n - 1 - s) % 2 == 0) ++c; if (n % 2 != 0 && s == 0 && t == 0) ++c; if (n % 2 != 0 && s == n - 1 && t == n - 1) ++c; assert(cnt[t] == c); } } writeln; } } try { for (; ; ) { const H = readInt(); const W = readInt(); Mint.M = readInt(); Mint ans; if (W == 1) { ans = Mint(1); } else { if (H % 2 == 0) { auto f = new int[][](W, W); foreach (s; 0 .. W) foreach (t; 0 .. W) { int c; if (s < t && s % 2 == 0 && (W - 1 - t) % 2 == 0) ++c; if (t < s && t % 2 == 0 && (W - 1 - s) % 2 == 0) ++c; if (W % 2 != 0 && s == 0 && t == 0) ++c; if (W % 2 != 0 && s == W - 1 && t == W - 1) ++c; f[s][t] = c; } auto crt = new Mint[W]; foreach (s; 0 .. W) foreach (t; 0 .. W) { crt[t] += f[s][t]; } foreach (h; 1 .. H / 2) { auto nxt = new Mint[W]; foreach (r; 0 .. W) { foreach (s; r - 1 .. r + 1 + 1) if (0 <= s && s < W) { foreach (t; 0 .. W) if (f[s][t]) { nxt[t] += crt[r]; } } } crt = nxt; } foreach (r; 0 .. W) { ans += crt[r]; } } } writeln(ans); } } catch (EOFException e) { } }