結果
問題 | No.2786 RMQ on Grid Path |
ユーザー | tokusakurai |
提出日時 | 2024-06-14 22:10:07 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,485 ms / 6,000 ms |
コード長 | 6,626 bytes |
コンパイル時間 | 2,618 ms |
コンパイル使用メモリ | 215,208 KB |
実行使用メモリ | 28,628 KB |
最終ジャッジ日時 | 2024-06-14 22:10:45 |
合計ジャッジ時間 | 30,377 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 1 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 3 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 3 ms
6,944 KB |
testcase_12 | AC | 1,485 ms
28,184 KB |
testcase_13 | AC | 1,392 ms
28,124 KB |
testcase_14 | AC | 1,377 ms
28,064 KB |
testcase_15 | AC | 1,411 ms
28,092 KB |
testcase_16 | AC | 1,420 ms
28,116 KB |
testcase_17 | AC | 1,467 ms
28,056 KB |
testcase_18 | AC | 1,397 ms
27,940 KB |
testcase_19 | AC | 1,389 ms
28,228 KB |
testcase_20 | AC | 1,448 ms
27,988 KB |
testcase_21 | AC | 1,470 ms
28,052 KB |
testcase_22 | AC | 1,255 ms
27,796 KB |
testcase_23 | AC | 1,269 ms
27,464 KB |
testcase_24 | AC | 811 ms
23,688 KB |
testcase_25 | AC | 765 ms
23,760 KB |
testcase_26 | AC | 788 ms
23,764 KB |
testcase_27 | AC | 278 ms
10,192 KB |
testcase_28 | AC | 172 ms
8,376 KB |
testcase_29 | AC | 1,284 ms
25,700 KB |
testcase_30 | AC | 183 ms
8,560 KB |
testcase_31 | AC | 51 ms
6,940 KB |
testcase_32 | AC | 711 ms
22,952 KB |
testcase_33 | AC | 141 ms
8,096 KB |
testcase_34 | AC | 832 ms
28,492 KB |
testcase_35 | AC | 841 ms
28,316 KB |
testcase_36 | AC | 806 ms
28,628 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 per(i, n) for (int i = (n) - 1; i >= 0; i--) #define rep2(i, l, r) for (int i = (l); i < (r); i++) #define per2(i, l, r) for (int i = (r) - 1; i >= (l); i--) #define each(e, v) for (auto &e : v) #define MM << " " << #define pb push_back #define eb emplace_back #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #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> using minheap = priority_queue<T, vector<T>, greater<T>>; template <typename T> using maxheap = priority_queue<T>; 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; } int pct(int x) { return __builtin_popcount(x); } int pct(ll x) { return __builtin_popcountll(x); } int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); } int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); } int botbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); } int botbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); } 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> void err_print(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cerr << v[i] + x << ' '; cerr << endl; } 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 T> void reorder(vector<T> &a, const vector<int> &ord) { int n = a.size(); vector<T> b(n); for (int i = 0; i < n; i++) b[i] = a[ord[i]]; swap(a, b); } template <typename T> T floor(T x, T y) { assert(y != 0); if (y < 0) x = -x, y = -y; return (x >= 0 ? x / y : (x - y + 1) / y); } template <typename T> T ceil(T x, T y) { assert(y != 0); if (y < 0) x = -x, y = -y; return (x >= 0 ? (x + y - 1) / y : x / y); } 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); cerr << fixed << setprecision(15); } } io_setup; constexpr int inf = (1 << 30) - 1; constexpr ll INF = (1LL << 60) - 1; // constexpr int MOD = 1000000007; constexpr int MOD = 998244353; struct Union_Find_Tree { vector<int> data; const int n; int cnt; Union_Find_Tree(int n) : data(n, -1), n(n), cnt(n) {} int root(int x) { if (data[x] < 0) return x; return data[x] = root(data[x]); } int operator[](int i) { return root(i); } bool unite(int x, int y) { x = root(x), y = root(y); if (x == y) return false; if (data[x] > data[y]) swap(x, y); data[x] += data[y], data[y] = x; cnt--; return true; } int size(int x) { return -data[root(x)]; } int count() { return cnt; }; bool same(int x, int y) { return root(x) == root(y); } void clear() { cnt = n; fill(begin(data), end(data), -1); } }; void solve() { int H, W; cin >> H >> W; int N = H * W; auto get = [&](int x, int y) { return W * x + y; }; vector<int> dx = {1, 0, -1, 0}, dy = {0, 1, 0, -1}; auto IN = [&](int i, int j) { return 0 <= i && i < H && 0 <= j && j < W; }; auto ENUM = [&](int e) { int x = e / W, y = e % W; vector<int> ret; rep(k, 4) { int nx = x + dx[k], ny = y + dy[k]; if (IN(nx, ny)) ret.eb(get(nx, ny)); } return ret; }; vector<vector<int>> a(H, vector<int>(W)); rep(i, H) rep(j, W) cin >> a[i][j], a[i][j]--; vector<vector<int>> ps(N); rep(i, H) rep(j, W) ps[a[i][j]].eb(get(i, j)); // rep(i, N) err_print(ps[i]); int Q; cin >> Q; vector<int> s(Q), t(Q); rep(i, Q) { int sx, sy, tx, ty; cin >> sx >> sy >> tx >> ty; sx--, sy--, tx--, ty--; s[i] = get(sx, sy), t[i] = get(tx, ty); } vector<int> ok(Q, N), ng(Q, -1); rep(_, 20) { vector<vector<int>> ids(N); rep(i, Q) { int mid = (ok[i] + ng[i]) / 2; ids[mid].eb(i); } Union_Find_Tree uf(N); vector<int> used(N, false); rep(i, N) { each(e, ps[i]) { // cerr << "? " << e << endl; each(f, ENUM(e)) { // cerr << "! " << e MM f << endl; if (used[f]) { // cerr << "! " << e MM f << endl; uf.unite(e, f); } } used[e] = true; } each(e, ids[i]) { if (uf.same(s[e], t[e])) { ok[e] = i; } else { ng[e] = i; } } } } printn(ok, 1); } int main() { int T = 1; // cin >> T; while (T--) solve(); }