結果

問題 No.611 Day of the Mountain
ユーザー はまやんはまやんはまやんはまやん
提出日時 2017-12-18 10:15:10
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 921 ms / 2,017 ms
コード長 5,418 bytes
コンパイル時間 1,983 ms
コンパイル使用メモリ 173,108 KB
実行使用メモリ 415,488 KB
最終ジャッジ日時 2024-05-09 11:02:36
合計ジャッジ時間 11,333 ms
ジャッジサーバーID
(参考情報)
judge2 / judge5
このコードへのチャレンジ
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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 780 ms
413,312 KB
testcase_01 AC 774 ms
413,440 KB
testcase_02 AC 731 ms
413,568 KB
testcase_03 AC 921 ms
413,440 KB
testcase_04 AC 531 ms
413,696 KB
testcase_05 AC 526 ms
413,696 KB
testcase_06 AC 534 ms
415,488 KB
testcase_07 AC 540 ms
415,232 KB
testcase_08 AC 517 ms
413,312 KB
testcase_09 AC 519 ms
413,184 KB
testcase_10 AC 526 ms
413,440 KB
testcase_11 AC 517 ms
413,312 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
//---------------------------------------------------------------------------------------------------
template<int MOD> struct ModInt {
    static const int Mod = MOD; unsigned x; ModInt() : x(0) { }
    ModInt(signed sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
    ModInt(signed long long sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
    int get() const { return (int)x; }
    ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; }
    ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; }
    ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; }
    ModInt &operator/=(ModInt that) { return *this *= that.inverse(); }
    ModInt operator+(ModInt that) const { return ModInt(*this) += that; }
    ModInt operator-(ModInt that) const { return ModInt(*this) -= that; }
    ModInt operator*(ModInt that) const { return ModInt(*this) *= that; }
    ModInt operator/(ModInt that) const { return ModInt(*this) /= that; }
    ModInt inverse() const { long long a = x, b = MOD, u = 1, v = 0;
        while (b) { long long t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); }
        return ModInt(u); }
    bool operator==(ModInt that) const { return x == that.x; }
    bool operator!=(ModInt that) const { return x != that.x; }
    ModInt operator-() const { ModInt t; t.x = x == 0 ? 0 : Mod - x; return t; }
};
template<int MOD> ostream& operator<<(ostream& st, const ModInt<MOD> a) { st << a.get(); return st; };
template<int MOD> ModInt<MOD> operator^(ModInt<MOD> a, unsigned long long k) {
    ModInt<MOD> r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; }
typedef ModInt<201712111> mint;
string to_binary(int N, int digit = -1) {
    string s = ""; int ok = 0;
    rrep(i, 30, 0) { int m = 1 << i; if (N < m) { if(ok)s += "0"; }else s += "1", N -= m, ok = 1;}
    if (0 < digit and s.size() < digit) {int n = digit - s.size();rep(i, 0, n) s = "0" + s;}
    return s;}
/*---------------------------------------------------------------------------------------------------
            ∧_∧  
      ∧_∧  (´<_` )  Welcome to My Coding Space!
     ( ´_ゝ`) /  ⌒i     
    /   \     | |     
    /   / ̄ ̄ ̄ ̄/  |  
  __(__ニつ/     _/ .| .|____  
     \/____/ (u ⊃  
---------------------------------------------------------------------------------------------------*/
 


#define INF INT_MAX/2
int H, W;
string A[1010];
int B[1010][1010];
int dp[1010][1010];
mint dp2[400][1 << 18];
//---------------------------------------------------------------------------------------------------
void _main() {
    cin >> H >> W;
    rep(y, 0, H) cin >> A[y];
    if (W <= H) {
        rep(y, 0, H) rep(x, 0, W) if (A[y][x] != '?') B[y][x] = A[y][x] - '0';
    } else {
        rep(y, 0, H) rep(x, 0, W) if (A[y][x] != '?') B[x][y] = A[y][x] - '0';
        swap(W, H);
    }

    rep(y, 0, H) rep(x, 0, W) dp[y][x] = INF;

    if (A[0][0] == '?') dp[0][0] = 1;
    else dp[0][0] = B[0][0];

    rep(y, 0, H) rep(x, 0, W) {
        if (B[y + 1][x] == 0) dp[y + 1][x] = min(dp[y + 1][x], dp[y][x] + 1);
        else dp[y + 1][x] = min(dp[y + 1][x], dp[y][x] + B[y + 1][x]);

        if (B[y][x + 1] == 0) dp[y][x + 1] = min(dp[y][x + 1], dp[y][x] + 1);
        else dp[y][x + 1] = min(dp[y][x + 1], dp[y][x] + B[y][x + 1]);
    }

    int T = dp[H - 1][W - 1];
    printf("%d\n", T);

    dp2[0][0] = 1;

    rep(y, 0, H) rep(x, 0, W) rep(msk, 0, 1 << W) {
        int id = y * W + x;

        int upok = 0;
        if (y) {
            if(msk & (1 << x)) upok = 1;
            if (B[y][x] == 0) {
                if (dp[y - 1][x] + 1 != dp[y][x]) upok = 0;
            } else {
                if (dp[y - 1][x] + B[y][x] != dp[y][x]) upok = 0;
            }
        }
        else {
            if(x == 0) upok = 1;
        }

        int leok = 0;
        if (x) {
            if (msk & (1 << (x - 1))) leok = 1;
            if (B[y][x] == 0) {
                if (dp[y][x - 1] + 1 != dp[y][x]) leok = 0;
            }
            else {
                if (dp[y][x - 1] + B[y][x] != dp[y][x]) leok = 0;
            }
        }
        

        if (upok or leok) {
            int nmsk = msk | (1 << x);
            dp2[id + 1][nmsk] += dp2[id][msk];
        }

        if (!upok and !leok) {
            int nmsk = msk & (~(1 << x));

            if (B[y][x] == 0) dp2[id + 1][nmsk] += dp2[id][msk] * 9;
            else dp2[id + 1][nmsk] += dp2[id][msk];
        }
        else {
            if (B[y][x] == 0) {
                int nmsk = msk & (~(1 << x));
                dp2[id + 1][nmsk] += dp2[id][msk] * 8;
            }
        }
    }

    //rep(y, 0, H) rep(x, 0, W) rep(msk, 0, 1 << W) if(dp2[y * W + x][msk].get()) printf("dp2[%d][%d][%s] = %d\n", y, x, to_binary(msk, W).c_str(), dp2[y * W + x][msk].get());

    mint ans = 0;
    rep(msk, 0, 1 << W) if (msk & (1 << (W - 1))) ans += dp2[H * W][msk];
    printf("%d\n", ans.get());
}
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