結果
| 問題 |
No.936 Are
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-11-29 23:25:59 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 5,441 bytes |
| コンパイル時間 | 1,416 ms |
| コンパイル使用メモリ | 154,280 KB |
| 実行使用メモリ | 164,844 KB |
| 最終ジャッジ日時 | 2024-06-22 03:13:45 |
| 合計ジャッジ時間 | 15,073 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 2 WA * 23 |
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.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(int M_) {
alias M = 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 assert(false);
return this;
}
ref ModInt opOpAssign(string op)(long a) {
static if (op == "^^") {
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; }
}
enum MO = 10^^9 + 7;
alias Mint = ModInt!MO;
enum M = 6;
void main() {
int V;
auto ids = new int[][][][](M, M, M, M);
foreach (a; 0 .. M) foreach (b; 0 .. M) foreach (c; 0 .. M) foreach (d; 0 .. M) {
ids[a][b][c][d] = V++;
}
auto winMoves = new int[][V];
auto moves = new int[][V];
foreach (a; 0 .. M) foreach (b; 0 .. M) foreach (c; 0 .. M) foreach (d; 0 .. M) {
if (a + b == 0 || c + d == 0) {
continue;
}
const u = ids[a][b][c][d];
void check(int aa, int bb, int cc, int dd) {
const v = ids[aa][bb][cc][dd];
if (aa + bb == 0) {
winMoves[u] ~= v;
} else {
moves[u] ~= v;
}
}
// attack
if (a != 0 && c != 0) check((c + a) % 5, d, a, b);
if (b != 0 && c != 0) check((c + b) % 5, d, a, b);
if (a != 0 && d != 0) check(c, (d + a) % 5, a, b);
if (b != 0 && d != 0) check(c, (d + b) % 5, a, b);
// split
foreach (x; 0 .. M) foreach (y; 0 .. M) {
if (a + b == x + y || a + b > 5 && (a + b) % 5 == (x + y) % 5) {
if (a == y && b == x) continue;
if (a == x && b == y) continue;
if (x + y == 0) continue;
check(c, d, x, y);
}
}
assert(!winMoves[u].empty || !moves[u].empty);
}
auto takahashi = new int[][V];
foreach (u; 0 .. V) {
if (winMoves[u].empty) {
foreach (v; moves[u]) {
if (winMoves[v].empty) {
takahashi[u] ~= v;
}
}
if (takahashi[u].empty) {
debug {
writeln("misery ", u);
}
takahashi[u] = moves[u].dup;
}
}
}
debug {
foreach (a; 0 .. M) foreach (b; 0 .. M) foreach (c; 0 .. M) foreach (d; 0 .. M) {
const u = ids[a][b][c][d];
if (!winMoves[u].empty) {
writeln(a, " ", b, " ", c, " ", d, ": ", winMoves[u]);
}
}
}
try {
for (; ; ) {
const N = readInt();
const K = readInt();
int[2] L, R;
foreach (i; 0 .. 2) {
L[i] = readInt();
R[i] = readInt();
}
Mint ans;
auto dp = new Mint[][](K + 1, V);
dp[0][ids[L[N]][R[N]][L[N ^ 1]][R[N ^ 1]]] = 1;
foreach (k; 0 .. K) {
const player = N ^ (k & 1);
switch (player) {
case 0: {
foreach (u; 0 .. V) {
foreach (v; winMoves[u]) {
ans += dp[k][u];
}
foreach (v; moves[u]) {
dp[k + 1][v] += dp[k][u];
}
}
} break;
case 1: {
foreach (u; 0 .. V) {
foreach (v; takahashi[u]) {
dp[k + 1][v] += dp[k][u];
}
}
} break;
default: assert(false);
}
}
writeln(ans);
}
} catch (EOFException e) {
}
}