結果
問題 | No.2838 Diagonals |
ユーザー | 👑 AngrySadEight |
提出日時 | 2024-08-09 23:21:28 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,323 bytes |
コンパイル時間 | 5,703 ms |
コンパイル使用メモリ | 232,568 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-08-09 23:21:35 |
合計ジャッジ時間 | 6,528 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 10 ms
6,940 KB |
testcase_09 | WA | - |
testcase_10 | AC | 12 ms
6,944 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <algorithm> #include <atcoder/all> #include <bitset> #include <cassert> #include <cmath> #include <ctime> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int, int> #define pil pair<int, ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int, int>> #define vpll vector<pair<ll, ll>> #define vvpii vector<vector<pair<int, int>>> #define vvpll vector<vector<pair<ll, ll>>> using mint = modint998244353; template <typename T> void debug(T e) { cerr << e << endl; } template <typename T> void debug(vector<T> &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template <typename T> void debug(vector<vector<T>> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template <typename T> void debug(vector<pair<T, T>> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template <typename T> void debug(set<T> &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(multiset<T> &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(map<T, T> &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } int main() { ll N, M; cin >> N >> M; vector<string> S(N); for (ll i = 0; i < N; i++) { cin >> S[i]; } ll ans = 1; for (ll i = 0; i < N; i++) { for (ll j = 0; j < M; j++) { if (S[i][j] == '#') { ans = (ans * 4LL) % mod2; } } } ll inv_2 = (998244353 + 1) / 2; ll inv_times = 0; for (ll i = 0; i < N - 1; i++) { for (ll j = 0; j < M - 1; j++) { if (S[i][j] == '#' && S[i + 1][j] == '#' && S[i][j + 1] == '#' && S[i + 1][j + 1] == '#') { ans = (ans * inv_2) % mod2; inv_times++; } } } queue<pll> que; vector<ll> dx = {1, 0, -1, 0}; vector<ll> dy = {0, 1, 0, -1}; vector<ll> dx8 = {1, -1, -1, 1}; vector<ll> dy8 = {1, 1, -1, -1}; vector<vector<bool>> visited(N, vector<bool>(M, false)); for (ll i = 0; i < N; i++) { for (ll j = 0; j < M; j++) { if (visited[i][j]) { continue; } if (S[i][j] == '#') { continue; } bool pos = true; que.push(pll(i, j)); while (que.size()) { pll p = que.front(); que.pop(); ll px = p.first; ll py = p.second; for (ll k = 0; k < 4; k++) { if (px + dx[k] >= 0 && px + dx[k] < N && py + dy[k] >= 0 && py + dy[k] < M) { if (!visited[px + dx[k]][py + dy[k]] && S[px + dx[k]][py + dy[k]] == '.') { que.push(pll(px + dx[k], py + dy[k])); visited[px + dx[k]][py + dy[k]] = true; } } } for (ll k = 0; k < 4; k++) { if (px + dx8[k] < 0 || px + dx8[k] >= N || py + dy8[k] < 0 || py + dy8[k] >= M) { pos = false; } else if (S[px + dx8[k]][py + dy8[k]] == '.') { pos = false; } } } if (pos) { // debug_out(i, j); ans = (ans * inv_2) % mod2; // ans = (ans * inv_2) % mod2; inv_times++; } /*if (ans == 993502162) { debug(inv_times); }*/ } } // debug(inv_times); /*while (true) { if (ans == 993502162) { debug(inv_times); break; } ans = (ans * inv_2) % mod2; inv_times++; }*/ cout << ans << endl; }