結果
問題 | No.1427 Simplified Tetris |
ユーザー | tokusakurai |
提出日時 | 2022-02-10 17:11:23 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 8 ms / 2,000 ms |
コード長 | 6,549 bytes |
コンパイル時間 | 2,643 ms |
コンパイル使用メモリ | 217,892 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-25 23:44:40 |
合計ジャッジ時間 | 4,176 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 3 ms
5,376 KB |
testcase_12 | AC | 2 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 | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 7 ms
5,376 KB |
testcase_33 | AC | 4 ms
5,376 KB |
testcase_34 | AC | 2 ms
5,376 KB |
testcase_35 | AC | 2 ms
5,376 KB |
testcase_36 | AC | 8 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
testcase_38 | AC | 6 ms
5,376 KB |
testcase_39 | AC | 3 ms
5,376 KB |
testcase_40 | AC | 7 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; i++) #define rep2(i, x, n) for (int i = x; i <= n; i++) #define rep3(i, x, n) for (int i = x; i >= n; i--) #define each(e, v) for (auto &e : v) #define pb push_back #define eb emplace_back #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define sz(x) (int)x.size() using ll = long long; using pii = pair<int, int>; using pil = pair<int, ll>; using pli = pair<ll, int>; using pll = pair<ll, ll>; template <typename T> bool chmax(T &x, const T &y) { return (x < y) ? (x = y, true) : false; } template <typename T> bool chmin(T &x, const T &y) { return (x > y) ? (x = y, true) : false; } template <typename T> int flg(T x, int i) { return (x >> i) & 1; } template <typename T> void print(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' '); if (v.empty()) cout << '\n'; } template <typename T> void printn(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << '\n'; } template <typename T> int lb(const vector<T> &v, T x) { return lower_bound(begin(v), end(v), x) - begin(v); } template <typename T> int ub(const vector<T> &v, T x) { return upper_bound(begin(v), end(v), x) - begin(v); } template <typename T> void rearrange(vector<T> &v) { sort(begin(v), end(v)); v.erase(unique(begin(v), end(v)), end(v)); } template <typename T> vector<int> id_sort(const vector<T> &v, bool greater = false) { int n = v.size(); vector<int> ret(n); iota(begin(ret), end(ret), 0); sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; }); return ret; } template <typename S, typename T> pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) { return make_pair(p.first + q.first, p.second + q.second); } template <typename S, typename T> pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) { return make_pair(p.first - q.first, p.second - q.second); } template <typename S, typename T> istream &operator>>(istream &is, pair<S, T> &p) { S a; T b; is >> a >> b; p = make_pair(a, b); return is; } template <typename S, typename T> ostream &operator<<(ostream &os, const pair<S, T> &p) { return os << p.first << ' ' << p.second; } struct io_setup { io_setup() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(15); } } io_setup; const int inf = (1 << 30) - 1; const ll INF = (1LL << 60) - 1; const int MOD = 1000000007; // const int MOD = 998244353; struct Bipartite_Matching { vector<vector<int>> es; vector<int> d, match; vector<bool> used, used2; const int n, m; Bipartite_Matching(int n, int m) : es(n), d(n), match(m), used(n), used2(n), n(n), m(m) {} void add_edge(int u, int v) { es[u].push_back(v); } void _bfs() { fill(begin(d), end(d), -1); queue<int> que; for (int i = 0; i < n; i++) { if (!used[i]) { que.push(i); d[i] = 0; } } while (!que.empty()) { int i = que.front(); que.pop(); for (auto &e : es[i]) { int j = match[e]; if (j != -1 && d[j] == -1) { que.push(j); d[j] = d[i] + 1; } } } } bool _dfs(int now) { used2[now] = true; for (auto &e : es[now]) { int u = match[e]; if (u == -1 || (!used2[u] && d[u] == d[now] + 1 && _dfs(u))) { match[e] = now, used[now] = true; return true; } } return false; } int bipartite_matching() { // 右側の i は左側の match[i] とマッチングする fill(begin(match), end(match), -1), fill(begin(used), end(used), false); int ret = 0; while (true) { _bfs(); fill(begin(used2), end(used2), false); int flow = 0; for (int i = 0; i < n; i++) { if (!used[i] && _dfs(i)) flow++; } if (flow == 0) break; ret += flow; } return ret; } }; int main() { int H, W; cin >> H >> W; vector<string> S(H); rep(i, H) cin >> S[i]; vector<int> ids; rep(i, H) { int cnt = 0; rep(j, W) { if (S[i][j] == '#') cnt++; } if (cnt == W) { cout << "No\n"; return 0; } if (cnt > 0) ids.eb(i); } int K = sz(ids); rep(i, K) { if (ids[i] != H - K + i) { cout << "No\n"; return 0; } } vector<int> dx = {0, 1, 0, -1}, dy = {1, 0, -1, 0}; rep(t, 1 << (H + 1)) { if (__builtin_popcount(t) != K + 1) continue; vector<vector<int>> c(H, vector<int>(W, 0)); int ptr = K - 1; rep3(i, H, 0) { if (flg(t, i)) { if (ptr == -1) break; int x = ids[ptr]; rep(j, W) c[i - 1][j] = (S[x][j] == '#' ? 1 : 0); ptr--; } else { rep(j, W) c[i - 1][j] = 1; } } int A = 0; rep(i, H) rep(j, W) A += c[i][j]; Bipartite_Matching BM(H * W, H * W); rep(i, H) { rep(j, W) { if ((i + j) % 2 == 1 || c[i][j] == 0) continue; rep(k, 4) { int ni = i + dx[k], nj = j + dy[k]; if (ni >= 0 && ni < H && nj >= 0 && nj < W && c[ni][nj] == 1) { int p = W * i + j, np = W * ni + nj; BM.add_edge(p, np); } } } } int B = BM.bipartite_matching(); // rep(i, H) print(c[i]); // cout << A << ' ' << B << '\n'; if (B * 2 != A) continue; vector<string> T(H, string(W, '.')); char tmp = 'a'; rep(i, H * W) { if (BM.match[i] == -1) continue; int j = BM.match[i]; T[i / W][i % W] = tmp; T[j / W][j % W] = tmp; if (tmp == 'z') { tmp = 'A'; } else { tmp++; } } cout << "Yes\n"; rep(i, H) cout << T[i] << '\n'; return 0; } cout << "No\n"; }