結果
問題 | No.317 辺の追加 |
ユーザー |
|
提出日時 | 2021-01-05 02:55:08 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 442 ms / 2,000 ms |
コード長 | 4,487 bytes |
コンパイル時間 | 2,393 ms |
コンパイル使用メモリ | 211,996 KB |
最終ジャッジ日時 | 2025-01-17 09:43:45 |
ジャッジサーバーID (参考情報) |
judge5 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 38 |
ソースコード
#include <bits/stdc++.h>using namespace std;/*^ debug */template <typename A, typename B> string to_string(pair<A, B> p);template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p);template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p);string to_string(const string& s) { return '"' + s + '"'; }string to_string(const char* s) { return to_string((string) s); }string to_string(bool b) { return (b ? "true" : "false"); }string to_string(vector<bool> v) {bool first = true;string res = "{";for (int i = 0; i < static_cast<int>(v.size()); i++) {if (!first) { res += ", "; }first = false;res += to_string(v[i]);}res += "}";return res;}template <size_t N>string to_string(bitset<N> v) {string res = "";for (size_t i = 0; i < N; i++) { res += static_cast<char>('0' + v[i]); }return res;}template <typename A>string to_string(A v) {bool first = true;string res = "{";for (const auto &x : v) {if (!first) { res += ", "; }first = false;res += to_string(x);}res += "}";return res;}template <typename A, typename B>string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; }template <typename A, typename B, typename C>string to_string(tuple<A, B, C> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")"; }template <typename A, typename B, typename C, typename D>string to_string(tuple<A, B, C, D> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " +to_string(get<3>(p)) + ")"; }void debug_out() { cerr << endl; }template <typename Head, typename... Tail>void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); }#ifdef LOCAL#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)#else#define debug(...) 42#endif/* debug $*//*^ vector extensions */template<typename T>T concat(initializer_list<T> lists) {T a;for (auto &l : lists) a.insert(a.end(), l.begin(), l.end());return a;}template<typename T, size_t sz>struct _Matrix_type { typedef vector<typename _Matrix_type<T, sz - 1>::type> type; };template<typename T>struct _Matrix_type<T, 1> { typedef T type; };template<typename T>struct _Matrix {static auto build(size_t s) { return vector<T>(s); }template<typename ...Args>static auto build(size_t f, Args... args) {return vector<typename _Matrix_type<T, 1 + sizeof...(args)>::type>(f, _Matrix<T>::build(args...));}};template<typename T, typename... Args>auto buildMatrix(Args... args) { return _Matrix<T>::build(args...); }/* vector extensions $*//*^ generic definitions */template<typename F>struct _RecurFun : F {_RecurFun(F&& f) : F(forward<F>(f)) {}template<typename... Args>decltype(auto) operator()(Args&&... args) const { return F::operator()(*this, forward<Args>(args)...); }};template<typename F>decltype(auto) RecurFun(F&& f) { return _RecurFun<F> { forward<F>(f) }; }/* generic definitions $*/struct DSU {vector<int> fa;vector<int> sz;DSU(int n) : fa(n), sz(n, 1) { iota(fa.begin(), fa.end(), 0); }int find(int x) { return fa[x] == x ? x : fa[x] = find(fa[x]); }bool unite(int x, int y) {int fx = find(x);int fy = find(y);if (fx == fy) return false;fa[fy] = fx;sz[fx] += sz[fy];return true;}};int main() {ios::sync_with_stdio(false);int N, M; { cin >> N >> M; }DSU dsu(N); {for (int i = 0; i < M; ++i) {int U, V; { cin >> U >> V; --U, --V; }dsu.unite(U, V);}}map<int, int> ccsize2cnt; {for (int u = 0; u < N; ++u) if (dsu.find(u) == u) {ccsize2cnt[dsu.sz[u]] += 1;}}vector<int> dp(N + 1, N + 1); {dp[0] = 0;for (auto [sz, cnt] : ccsize2cnt) {for (int r = 0; r < sz; ++r) {deque<pair<int, int>> dq;for (int i = r; i <= N; i += sz) {while (dq.size() && (i - dq.front().second) > sz * cnt) dq.pop_front();while (dq.size() && dq.back().first >= dp[i] - (i / sz + 1)) dq.pop_back();dq.emplace_back(dp[i] - (i / sz + 1), i);if (dq.front().second != i) {dp[i] = min(dp[i], dq.front().first + (i / sz + 1));}}}}}for (int i = 1; i <= N; ++i) {cout << (dp[i] > N ? -1 : dp[i] - 1) << "\n";}}