結果
問題 | No.2251 Marking Grid |
ユーザー | tokusakurai |
提出日時 | 2023-03-20 12:38:28 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 230 ms / 3,000 ms |
コード長 | 7,119 bytes |
コンパイル時間 | 2,479 ms |
コンパイル使用メモリ | 216,860 KB |
実行使用メモリ | 15,484 KB |
最終ジャッジ日時 | 2024-09-18 14:03:10 |
合計ジャッジ時間 | 5,583 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 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 | 1 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 1 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 | 194 ms
14,872 KB |
testcase_23 | AC | 224 ms
15,484 KB |
testcase_24 | AC | 9 ms
5,376 KB |
testcase_25 | AC | 230 ms
15,424 KB |
testcase_26 | AC | 54 ms
6,308 KB |
testcase_27 | AC | 123 ms
13,572 KB |
testcase_28 | AC | 8 ms
5,376 KB |
testcase_29 | AC | 131 ms
13,812 KB |
testcase_30 | AC | 41 ms
6,128 KB |
testcase_31 | AC | 30 ms
5,376 KB |
testcase_32 | AC | 15 ms
5,376 KB |
testcase_33 | AC | 180 ms
14,024 KB |
testcase_34 | AC | 18 ms
5,376 KB |
testcase_35 | AC | 84 ms
8,644 KB |
testcase_36 | AC | 108 ms
8,976 KB |
testcase_37 | AC | 151 ms
13,608 KB |
testcase_38 | AC | 9 ms
5,376 KB |
testcase_39 | AC | 6 ms
5,376 KB |
testcase_40 | AC | 81 ms
8,556 KB |
testcase_41 | AC | 39 ms
5,928 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; } 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; template <int mod> struct Mod_Int { int x; Mod_Int() : x(0) {} Mod_Int(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} static int get_mod() { return mod; } Mod_Int &operator+=(const Mod_Int &p) { if ((x += p.x) >= mod) x -= mod; return *this; } Mod_Int &operator-=(const Mod_Int &p) { if ((x += mod - p.x) >= mod) x -= mod; return *this; } Mod_Int &operator*=(const Mod_Int &p) { x = (int)(1LL * x * p.x % mod); return *this; } Mod_Int &operator/=(const Mod_Int &p) { *this *= p.inverse(); return *this; } Mod_Int &operator++() { return *this += Mod_Int(1); } Mod_Int operator++(int) { Mod_Int tmp = *this; ++*this; return tmp; } Mod_Int &operator--() { return *this -= Mod_Int(1); } Mod_Int operator--(int) { Mod_Int tmp = *this; --*this; return tmp; } Mod_Int operator-() const { return Mod_Int(-x); } Mod_Int operator+(const Mod_Int &p) const { return Mod_Int(*this) += p; } Mod_Int operator-(const Mod_Int &p) const { return Mod_Int(*this) -= p; } Mod_Int operator*(const Mod_Int &p) const { return Mod_Int(*this) *= p; } Mod_Int operator/(const Mod_Int &p) const { return Mod_Int(*this) /= p; } bool operator==(const Mod_Int &p) const { return x == p.x; } bool operator!=(const Mod_Int &p) const { return x != p.x; } Mod_Int inverse() const { assert(*this != Mod_Int(0)); return pow(mod - 2); } Mod_Int pow(long long k) const { Mod_Int now = *this, ret = 1; for (; k > 0; k >>= 1, now *= now) { if (k & 1) ret *= now; } return ret; } friend ostream &operator<<(ostream &os, const Mod_Int &p) { return os << p.x; } friend istream &operator>>(istream &is, Mod_Int &p) { long long a; is >> a; p = Mod_Int<mod>(a); return is; } }; using mint = Mod_Int<MOD>; struct Bipartite_Union_Find_Tree { vector<int> data, si; const int n; int cnt; Bipartite_Union_Find_Tree(int n) : data(2 * n, -1), si(2 * n, 0), n(n), cnt(n) { for (int i = 0; i < n; i++) si[i] = 1; } 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; si[x] += si[y]; return true; } int unite_same(int x, int y) { if (col_diff(x, y)) return -1; bool flag = unite(x, y); unite(n + x, n + y); if (flag) cnt--; return (flag ? 1 : 0); } int unite_diff(int x, int y) { if (col_same(x, y)) return -1; bool flag = unite(x, n + y); unite(n + x, y); if (flag) cnt--; return (flag ? 1 : 0); } int size(int x) { return -data[root(x)]; } int size_same(int x) { return si[root(x)]; } int size_diff(int x) { x = root(x); return -data[x] - si[x]; } int count() { return cnt; }; bool same(int x, int y) { return root(x) == root(y); } bool col_same(int x, int y) { return same(x, y); } bool col_diff(int x, int y) { return same(x, n + y); } void clear() { cnt = n; fill(begin(data), end(data), -1); } }; int main() { int H, W; cin >> H >> W; vector<vector<int>> a(H, vector<int>(W)); rep(i, H) rep(j, W) cin >> a[i][j]; Bipartite_Union_Find_Tree uf(H + W); vector<mint> pw(H + W + 1, 1); rep(i, H + W) pw[i + 1] = pw[i] * 2; mint ans = 0; vector<pii> ps; rep(i, H) rep(j, W) ps.eb(i, j); sort(all(ps), [&](pii p, pii q) { return a[p.first][p.second] > a[q.first][q.second]; }); for (auto [i, j] : ps) { if (!uf.col_same(i, H + j)) { int t = uf.count() - 1; if (!uf.col_diff(i, H + j)) t--; ans += pw[t] * a[i][j]; } uf.unite_same(i, H + j); } cout << ans << '\n'; }