結果
問題 |
No.2912 0次パーシステントホモロジー
|
ユーザー |
|
提出日時 | 2024-10-04 21:51:29 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 83 ms / 2,000 ms |
コード長 | 3,320 bytes |
コンパイル時間 | 2,368 ms |
コンパイル使用メモリ | 209,356 KB |
最終ジャッジ日時 | 2025-02-24 15:13:34 |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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ファイルパターン | 結果 |
---|---|
other | AC * 23 |
ソースコード
#include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; // #define ordered_set tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> // #define ordered_multiset tree<int, null_type, less_equal<int>, rb_tree_tag,tree_order_statistics_node_update> using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); return 0; } using ll = long long; using ull = unsigned long long; using ld = long double; using vi = std::vector<int>; using vvi = std::vector<vi>; using vl = std::vector<ll>; using vii = std::vector<pair<int, int> >; using vvl = std::vector<vl>; using vll = std::vector<pair<ll , ll> >; using vd = std::vector<double>; using vvd = std::vector<vd>; using vs = std::vector<std::string>; using vvs = std::vector<vs>; using vb = std::vector<bool>; using vvb = std::vector<vb>; using vc = std::vector<char>; using vvc = std::vector<vc>; using pii = std::pair<int, int>; using pll = std::pair<ll, ll>; using piil = std::pair<pair<int, int>, ll>; using mii = std::map<int, int>; using mll = std::map<ll, ll>; using pql = std::priority_queue<ll>; using pqi = std::priority_queue<int>; using pqiil = std::priority_queue<pair<pair<int, int>, ll> >; using pqii = std::priority_queue<pair<int, int> >; #define pb push_back #define ps push #define eb emplace_back #define is insert #define er erase #define f first #define s second #define lb lower_bound #define ub upper_bound #define sf(i) sizeof(i) #define endl "\n" #define sz(v) ((int)(v).size()) #define all(v) (v).begin(), (v).end() #define rep(i, L, R) for(ll i = L;i<=R;i++) #define pcis precision template<typename T> struct infinity { static constexpr T max=std::numeric_limits<T>::max(); static constexpr T min=std::numeric_limits<T>::min(); static constexpr T value=std::numeric_limits<T>::max()/2; static constexpr T mvalue=std::numeric_limits<T>::min()/2; }; template<typename T>constexpr T INF=infinity<T>::value; constexpr ll lINF=INF<ll>; constexpr int iINF = INF<int>; constexpr ld PI = 3.1415926535897932384626; struct UnionFindWithRollback { long long parent[300100]; stack<tuple<int,int,int>> S; UnionFindWithRollback() { memset(parent, -1, sizeof(parent)); } int find(int x) { if(parent[x]<0) return x; return find(parent[x]); } bool uni(int x, int y) { x = find(x), y = find(y); if(x == y) return 0; if(parent[x] < parent[y]) swap(x,y); S.push({x, y, parent[x]}); parent[y] += parent[x]; parent[x] = y; return 1; } void rollback() { int x = get<0>(S.top()), y = get<1>(S.top()), sz = get<2>(S.top()); parent[y] -= sz; parent[x] = sz; S.pop(); } } uf; void _main() { ll N, M; cin >>N >>M; priority_queue<pair<ll, pll>, vector<pair<ll, pll>>, greater<pair<ll, pll>>> pq; for (ll i = 1; i<=M; i++) { ll a, b, c; cin >>a >>b>>c; pq.ps({c, {a,b}}); } ll Q; cin >> Q; pll A[Q+1]; for (ll i = 1; i<=Q; i++) { cin >> A[i].f; A[i].s = i; } sort(A+1, A+Q+1); ll ANS[Q+1]; ll RES = N; for (ll i = 1; i<=Q; i++) { auto [atai,idx] = A[i]; while (!pq.empty() && pq.top().f <= atai) { RES -= uf.uni(pq.top().s.f, pq.top().s.s); pq.pop(); } ANS[idx] = RES; } for (ll i = 1; i<=Q; i++) { cout << ANS[i] << endl; } }