結果
問題 | No.2003 Frog on Grid |
ユーザー | satashun |
提出日時 | 2022-07-08 23:01:22 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 372 ms / 2,000 ms |
コード長 | 7,235 bytes |
コンパイル時間 | 2,169 ms |
コンパイル使用メモリ | 209,548 KB |
実行使用メモリ | 253,056 KB |
最終ジャッジ日時 | 2024-06-08 18:25:30 |
合計ジャッジ時間 | 4,311 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 13 ms
9,216 KB |
testcase_18 | AC | 33 ms
20,352 KB |
testcase_19 | AC | 29 ms
22,764 KB |
testcase_20 | AC | 372 ms
253,056 KB |
testcase_21 | AC | 32 ms
22,820 KB |
testcase_22 | AC | 365 ms
253,056 KB |
testcase_23 | AC | 32 ms
20,224 KB |
testcase_24 | AC | 31 ms
19,968 KB |
testcase_25 | AC | 26 ms
20,096 KB |
testcase_26 | AC | 27 ms
20,224 KB |
testcase_27 | AC | 22 ms
20,224 KB |
testcase_28 | AC | 19 ms
19,968 KB |
ソースコード
#pragma region satashun //#pragma GCC optimize("Ofast") //#pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; using uint = unsigned int; using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; template <class T> using V = vector<T>; template <class T> using VV = V<V<T>>; template <class T> V<T> make_vec(size_t a) { return V<T>(a); } template <class T, class... Ts> auto make_vec(size_t a, Ts... ts) { return V<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...)); } #define pb push_back #define eb emplace_back #define mp make_pair #define fi first #define se second #define rep(i, n) rep2(i, 0, n) #define rep2(i, m, n) for (int i = m; i < (n); i++) #define per(i, b) per2(i, 0, b) #define per2(i, a, b) for (int i = int(b) - 1; i >= int(a); i--) #define ALL(c) (c).begin(), (c).end() #define SZ(x) ((int)(x).size()) constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n - 1); } template <class T, class U> void chmin(T& t, const U& u) { if (t > u) t = u; } template <class T, class U> void chmax(T& t, const U& u) { if (t < u) t = u; } template <class T> void mkuni(vector<T>& v) { sort(ALL(v)); v.erase(unique(ALL(v)), end(v)); } template <class T> vector<int> sort_by(const vector<T>& v, bool increasing = true) { vector<int> res(v.size()); iota(res.begin(), res.end(), 0); if (increasing) { stable_sort(res.begin(), res.end(), [&](int i, int j) { return v[i] < v[j]; }); } else { stable_sort(res.begin(), res.end(), [&](int i, int j) { return v[i] > v[j]; }); } return res; } template <class T, class U> istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; } template <class T, class U> ostream& operator<<(ostream& os, const pair<T, U>& p) { os << "(" << p.first << "," << p.second << ")"; return os; } template <class T> istream& operator>>(istream& is, vector<T>& v) { for (auto& x : v) { is >> x; } return is; } template <class T> ostream& operator<<(ostream& os, const vector<T>& v) { os << "{"; rep(i, v.size()) { if (i) os << ","; os << v[i]; } os << "}"; return os; } #ifdef LOCAL void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << H; debug_out(T...); } #define debug(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif template <class T> void scan(vector<T>& v, T offset = T(0)) { for (auto& x : v) { cin >> x; x += offset; } } // suc : 1 = newline, 2 = space template <class T> void print(T x, int suc = 1) { cout << x; if (suc == 1) cout << "\n"; else if (suc == 2) cout << " "; } template <class T> void print(const vector<T>& v, int suc = 1) { for (int i = 0; i < v.size(); ++i) print(v[i], i == int(v.size()) - 1 ? suc : 2); } template <class T> void show(T x) { print(x, 1); } template <typename Head, typename... Tail> void show(Head H, Tail... T) { print(H, 2); show(T...); } struct prepare_io { prepare_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); } } prep_io; #pragma endregion satashun template <unsigned int MOD> struct ModInt { using uint = unsigned int; using ull = unsigned long long; using M = ModInt; uint v; ModInt(ll _v = 0) { set_norm(_v % MOD + MOD); } M& set_norm(uint _v) { //[0, MOD * 2)->[0, MOD) v = (_v < MOD) ? _v : _v - MOD; return *this; } explicit operator bool() const { return v != 0; } explicit operator int() const { return v; } M operator+(const M& a) const { return M().set_norm(v + a.v); } M operator-(const M& a) const { return M().set_norm(v + MOD - a.v); } M operator*(const M& a) const { return M().set_norm(ull(v) * a.v % MOD); } M operator/(const M& a) const { return *this * a.inv(); } M& operator+=(const M& a) { return *this = *this + a; } M& operator-=(const M& a) { return *this = *this - a; } M& operator*=(const M& a) { return *this = *this * a; } M& operator/=(const M& a) { return *this = *this / a; } M operator-() const { return M() - *this; } M& operator++(int) { return *this = *this + 1; } M& operator--(int) { return *this = *this - 1; } M pow(ll n) const { if (n < 0) return inv().pow(-n); M x = *this, res = 1; while (n) { if (n & 1) res *= x; x *= x; n >>= 1; } return res; } M inv() const { ll a = v, b = MOD, p = 1, q = 0, t; while (b != 0) { t = a / b; swap(a -= t * b, b); swap(p -= t * q, q); } return M(p); } friend ostream& operator<<(ostream& os, const M& a) { return os << a.v; } friend istream& operator>>(istream& in, M& x) { ll v_; in >> v_; x = M(v_); return in; } bool operator<(const M& r) const { return v < r.v; } bool operator>(const M& r) const { return v < *this; } bool operator<=(const M& r) const { return !(r < *this); } bool operator>=(const M& r) const { return !(*this < r); } bool operator==(const M& a) const { return v == a.v; } bool operator!=(const M& a) const { return v != a.v; } static uint get_mod() { return MOD; } }; // using Mint = ModInt<1000000007>; using Mint = ModInt<998244353>; void slv() { int H, W, K; cin >> H >> W >> K; auto dp = make_vec<Mint>(H, W); auto ar = make_vec<Mint>(H, W); auto du = make_vec<Mint>(H, W); auto dd = make_vec<Mint>(H, W); V<string> s(H); cin >> s; dp[0][0] = 1; dd[0][0] = du[0][0] = 1; auto get2 = [&](int r, int c) -> Mint { int s = r + c; if (c < 0) { c = 0; r = s; } if (r < 0) return 0; return dd[r][c]; }; auto get = [&](int r, int c) { return get2(r, c) - get2(r - K - 1, c + K + 1); }; rep(i, H) { rep(j, W) { if (i == 0 && j == 0) continue; Mint v; if (j > 0) { v += dp[i][j - 1] + ar[i][j - 1]; } v -= get(i, j - K - 1); if (i) { v += du[i - 1][j]; du[i][j] += du[i - 1][j]; if (j + 1 < W) { dd[i][j] += dd[i - 1][j + 1]; } } if (s[i][j] == '.') { dp[i][j] = v; du[i][j] += v; dd[i][j] += v; } ar[i][j] = v; if (i >= K) du[i][j] -= dp[i - K][j]; } } show(dp[H - 1][W - 1]); /* rep(i, H) { rep(j, W) cout << dp[i][j] << ' '; cout << endl; }*/ } int main() { int cases = 1; // cin >> cases; rep(i, cases) slv(); return 0; }