結果
問題 |
No.3103 Butterfly Effect
|
ユーザー |
|
提出日時 | 2025-04-11 23:09:13 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,752 bytes |
コンパイル時間 | 13,431 ms |
コンパイル使用メモリ | 549,344 KB |
実行使用メモリ | 65,420 KB |
最終ジャッジ日時 | 2025-04-11 23:09:54 |
合計ジャッジ時間 | 25,430 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 38 WA * 12 |
ソースコード
#pragma GCC optimize("O3") #include "bits/stdc++.h" #include <stdio.h> #include "atcoder/all" #include <boost/multiprecision/cpp_int.hpp> using namespace boost::multiprecision; using namespace std; using namespace atcoder; using ll = long long; using ull = unsigned long long; using mint = modint998244353; using mint2 = modint1000000007; const double eps = 1e-9; #define OVERLOAD3(_1, _2, _3, call,...) call #define REP0(n) for (ll i = 0; i < ll(n); ++i) #define REP1(i, n) for (ll i = 0; i < ll(n); ++i) #define REP2(i, a, b) for (ll i = ll(a); i < ll(b); ++i) #define REP(...) OVERLOAD3(__VA_ARGS__, REP2, REP1, REP0)(__VA_ARGS__) #define RREP0(n) for (ll i = ll(n) - 1; i >= 0; --i) #define RREP1(i, n) for (ll i = ll(n) - 1; i >= 0; --i) #define RREP2(i, a, b) for (ll i = ll(a) - 1; i >= b; --i) #define RREP(...) OVERLOAD3(__VA_ARGS__, RREP2, RREP1, RREP0)(__VA_ARGS__) #define REPE(i, c) for (auto&& i : c) #define TCASE() ll _ttt; cin >> _ttt; while(_ttt--) template<class... T> void COMMON_IN(T&... a) { (cin >> ... >> a); } #define LI(...) ll __VA_ARGS__; COMMON_IN(__VA_ARGS__); using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; #define VLI(a, n) vector<ll> a; a.assign(n, 0); for(auto& x : a) cin >> x; #define DLI(a, n) deque<ll> a; a.assign(n, 0); for(auto& x : a) cin >> x; #define VSI(a, n) vector<string> a; a.assign(n, ""); for(auto& x : a) cin >> x; #define VVLI(a, n, m) vector<vector<ll>> a(n, vector<ll>(m)); for(auto& x : a) for(auto& y : x) cin >> y; using vd = vector<double>; using pl = pair<ll, ll>; using vpl = vector<pl>; struct uv { ll u; ll v; ll c = 1; }; #define VUVI(a, n) vector<uv> a; a.assign(n, {0, 0, 1}); for(auto& x : a) {cin >> x.u >> x.v; x.u--; x.v--;} #define VUVCI(a, n) vector<uv> a; a.assign(n, {0, 0, 0}); for(auto& x : a) {cin >> x.u >> x.v >> x.c; x.u--; x.v--;} vvl to_edge(const ll n, const vector<uv>& v) { vvl ret(n); for (auto& x : v) ret[x.u].push_back(x.v); return ret; } vvl to_edge_d(const ll n, const vector<uv>& v) { vvl ret(n); for (auto& x : v) { ret[x.u].push_back(x.v); ret[x.v].push_back(x.u); } return ret; } template <class T = long long> using pql = priority_queue<T>; template <class T = long long> using pqg = priority_queue<T, vector<T>, greater<T>>; using vm = vector<mint>; using vvm = vector<vm>; ostream& operator<<(ostream& os, const mint& v) { os << v.val(); return os; } void yn(bool f) { std::cout << (f ? "Yes" : "No") << "\n"; }; template<class T> void ov(const T& v) { for (auto it = v.begin(); it != v.end(); it++) { if (it != v.begin()) cout << " "; cout << *it; } }; template<> void ov(const vm& v) { for (auto it = v.begin(); it != v.end(); it++) { if (it != v.begin()) cout << " "; cout << it->val(); } }; const ll llhuge = 1LL << 61; //十分でかいが多少足しても溢れない数値 auto gmax(const auto& a, const auto& b) { return a > b ? a : b; }; auto gmin(const auto& a, const auto& b) { return a < b ? a : b; }; bool chmin(auto& a, const auto& b) { const auto olda = a; a = gmin(a, b); return olda != a; } bool chmax(auto& a, const auto& b) { const auto olda = a; a = gmax(a, b); return olda != a; } void sort(auto& v) { std::ranges::sort(v); }; void rev(auto& v) { std::ranges::reverse(v); }; template<class T> auto p_sum(const T& v) { T ret(v.size()); std::partial_sum(begin(v), end(v), ret.begin()); return ret; }; template<class T, class K = T::key_type, class V = T::mapped_type> [[nodiscard]] V myat(const T& mp, const K& key) { return mp.find(key) == mp.end() ? V() : mp.at(key); } long long ceil(const long long a, const long long b) { return (a + b - 1) / b; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); LI(n, q); vector<tuple<ll, ll, ll, ll>> v; REP(i, q) { LI(p, x, y); p--; x--; y--; v.push_back({ p, x, y, i }); } sort(v.begin(), v.end(), [](const auto& a, const auto& b) { return get<0>(a) < get<0>(b); }); //有効な辺だけ残す dsu uf(n); REP(q) { auto [p, x, y, idx] = v[i]; if (uf.same(0, x) || uf.same(0, y)) { uf.merge(x, y); } else { get<3>(v[i]) = -1; } } vector g(n, vpl()); REP(i, q) { auto [p, x, y, idx] = v[i]; if (idx == -1) continue; g[x].push_back({ y, idx }); g[y].push_back({ x, idx }); } vl time(n, llhuge); pqg<pl> pq; time[0] = 0; pq.push({ 0, 0 }); while (!pq.empty()) { auto [t, u] = pq.top(); pq.pop(); if (time[u] < t) continue; for (auto& [v, c] : g[u]) { ll nt = max(t, c); if (time[v] > nt) { time[v] = nt; pq.push({ time[v], v }); } } } vl imos(q, 0); REP(i, n) { if (time[i] == llhuge) continue; imos[time[i]]++; } vl ans(q, 0); REP(i, 0, q) { if (i > 0) ans[i] += ans[i - 1]; ans[i] += imos[i]; } REP(i, q) { cout << ans[i] << "\n"; } }