結果
問題 | No.2642 Don't cut line! |
ユーザー | akiaa11 |
提出日時 | 2024-02-21 18:54:45 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 98 ms / 4,000 ms |
コード長 | 6,561 bytes |
コンパイル時間 | 4,803 ms |
コンパイル使用メモリ | 279,840 KB |
実行使用メモリ | 19,324 KB |
最終ジャッジ日時 | 2024-09-29 04:19:16 |
合計ジャッジ時間 | 7,840 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 | 2 ms
6,820 KB |
testcase_01 | AC | 98 ms
18,436 KB |
testcase_02 | AC | 96 ms
19,324 KB |
testcase_03 | AC | 95 ms
18,528 KB |
testcase_04 | AC | 95 ms
18,060 KB |
testcase_05 | AC | 97 ms
18,948 KB |
testcase_06 | AC | 55 ms
6,820 KB |
testcase_07 | AC | 58 ms
6,820 KB |
testcase_08 | AC | 58 ms
6,820 KB |
testcase_09 | AC | 57 ms
6,816 KB |
testcase_10 | AC | 56 ms
6,816 KB |
testcase_11 | AC | 56 ms
6,816 KB |
testcase_12 | AC | 57 ms
6,816 KB |
testcase_13 | AC | 56 ms
6,820 KB |
testcase_14 | AC | 56 ms
6,816 KB |
testcase_15 | AC | 57 ms
6,816 KB |
testcase_16 | AC | 69 ms
13,440 KB |
testcase_17 | AC | 77 ms
17,068 KB |
testcase_18 | AC | 86 ms
16,804 KB |
testcase_19 | AC | 61 ms
14,372 KB |
testcase_20 | AC | 51 ms
8,768 KB |
testcase_21 | AC | 43 ms
6,820 KB |
testcase_22 | AC | 49 ms
11,072 KB |
testcase_23 | AC | 96 ms
18,796 KB |
testcase_24 | AC | 48 ms
8,992 KB |
testcase_25 | AC | 52 ms
8,328 KB |
testcase_26 | AC | 64 ms
6,820 KB |
testcase_27 | AC | 60 ms
13,780 KB |
testcase_28 | AC | 88 ms
17,636 KB |
testcase_29 | AC | 62 ms
7,204 KB |
testcase_30 | AC | 56 ms
8,412 KB |
testcase_31 | AC | 72 ms
15,392 KB |
testcase_32 | AC | 59 ms
7,712 KB |
testcase_33 | AC | 2 ms
6,820 KB |
testcase_34 | AC | 2 ms
6,816 KB |
testcase_35 | AC | 1 ms
6,820 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #define SELECTER(_1,_2,_3,SELECT,...) SELECT #define rep1(i,n) for(int i=0;i<(int)n;++i) #define rep2(i,a,n) for(int i=(int)a;i<(int)n;++i) #define rep(...) SELECTER(__VA_ARGS__,rep2,rep1)(__VA_ARGS__) #define RSELECTER(_1, _2, _3, RSELECT, ...) RSELECT #define rrep1(i,n) for(int i=(int)(n)-1;i>=0;--i) #define rrep2(i,a,n) for(int i=(int)(n)-1;i>=(int)a;--i) #define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fi first #define se second #define PrintR LogOutput #ifdef _DEBUG #define Log(...) LogOutput(__VA_ARGS__) #else #define Log(...) #endif #define M_PI 3.14159265358979323846 using namespace std; using namespace atcoder; using ll=long long; using ld=long double; using pii=pair<int,int>; using pll=pair<long long,long long>; using pdd=pair<long double,long double>; using tp=tuple<int,int,int>; using tpll=tuple<ll,ll,ll>; using veci=vector<int>; using vecpii=vector<pair<int,int>>; using vecll=vector<long long>; using vecpll=vector<pair<long long,long long>>; using vecpdd=vector<pair<long double,long double>>; using vecs=vector<string>; using vecb=vector<bool>; using vecd=vector<long double>; using vectp=vector<tp>; using vectpll=vector<tpll>; using mint=modint998244353; using mint10=modint1000000007; template<typename T, typename S> istream& operator>>(istream& in, pair<T, S>& a){return in >> a.first >> a.second;} template<typename T, typename S> ostream& operator<<(ostream& out, const pair<T, S>& a){return out << a.first << ' ' << a.second;} ostream& operator<<(ostream& out, const mint& a){return out << a.val();} ostream& operator<<(ostream& out, const mint10& a){return out << a.val();} ostream& operator<<(ostream& out, const modint& a){return out << a.val();} template<typename T> ostream& operator<<(ostream& out, const vector<T>& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << (i == d.size() - 1 ? "" : " "); return out;} template<typename T, typename S> pair<T, S> operator+(const pair<T, S>& a, const pair<T, S>& b){return {a.fi + b.fi, a.se + b.se};} template<typename T, typename S> pair<T, S> operator-(const pair<T, S>& a, const pair<T, S>& b){return {a.fi - b.fi, a.se - b.se};} template<class T> inline bool chmax(T& a,T b){if(a<b) {a=b;return true;} return false;} template<class T> inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;} bool Judge(int i, int j, int h, int w){return i < 0 || j < 0 || i >= h || j >= w;} bool PrintA(int i){cout<<(i ? "Yes" : "No")<<endl;return i;} constexpr ll INF=numeric_limits<ll>::max() >> 2; constexpr int inf=numeric_limits<int>::max() >> 1; constexpr ll MOD=998244353; const int vi[] = {0, 1, 0, -1}, vj[] = {1, 0, -1, 0}; template<typename... Args> void LogOutput(Args&&... args){ stringstream ss; ((ss << args << ' '), ...); cout << ss.str().substr(0, ss.str().length() - 1) << endl; } template<typename T> void LogOutput(vector<vector<T>>& data){for(auto d : data) LogOutput(d);} class HLD{ public: using P = std::pair<int, int>; HLD(int n) : _n(n), _g(_n), _in(_n), _out(_n), _par(_n), _head(_n){} void add_edge(int a, int b){ assert(0 <= a && a < _n); assert(0 <= b && b < _n); _g[a].push_back(b); _g[b].push_back(a); } void init(int s = 0){ assert(0 <= s && s < _n); { std::vector<int> sz(_n); dfs_sz(sz, s, -1); } int k = 0; dfs_hld(s, k); } template<typename T, typename F> void set_v(int v, T value, const F& f){ assert(0 <= v && v < _n); f(_in[v], value); } template<typename T, typename F> void set_e(int u, int v, T value, const F& f){ assert(0 <= u && u < _n); assert(0 <= v && v < _n); if(_in[u] > _in[v]) std::swap(u, v); f(_in[v], value); } template<typename T, typename F> void set_sub_v(int v, T value, const F &f, int E = 0){ assert(0 <= v && v < _n); f(_in[v] + E, _out[v], value); } template<typename T, typename F> void set_sub_e(int v, T value, const F& f){ assert(0 <= v && v < _n); set_sub_v(v, f, value, 1); } template<typename F> void query_v(int u, int v, const F &f, int E = 0){ assert(0 <= u && u < _n); assert(0 <= v && v < _n); while(1){ if(_in[u] > _in[v]) std::swap(u, v); f(std::max(_in[u] + E, _in[_head[v]]), _in[v] + 1); if(_head[u] != _head[v]) v = _par[_head[v]]; else break; } } template<typename F> void query_e(int u, int v, const F &f){ query_v(u, v, f, 1); } template<typename F> void query_sub_v(int v, const F &f, int E = 0){ assert(0 <= v && v < _n); f(_in[v] + E, _out[v]); } template<typename F> void query_sub_e(int v, const F& f){ query_sub_v(v, f, 1); } int lca(int u, int v){ assert(0 <= u && u < _n); assert(0 <= v && v < _n); while(1){ if(_in[u] > _in[v]) std::swap(u, v); if(_head[u] == _head[v]) return u; v = _par[_head[v]]; } } int In_v(int v){return _in[v];} private: int _n; std::vector<std::vector<int>> _g; std::vector<int> _in, _out; std::vector<int> _par; std::vector<int> _head; void dfs_sz(std::vector<int>& sz, int v, int p){ sz[v] = 1; _par[v] = p; for(int& nv : _g[v]) if(nv != p){ dfs_sz(sz, nv, v); sz[v] += sz[nv]; if(sz[nv] > sz[_g[v][0]]){ std::swap(nv, _g[v][0]); } } } void dfs_hld(int v, int& k){ _in[v] = k++; for(int nv : _g[v]) if(nv != _par[v]){ _head[nv] = (nv == _g[v][0] ? _head[v] : nv); dfs_hld(nv, k); } _out[v] = k; } }; int op(int a, int b){return max(a, b);} int ef(){return 0;} int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n, m; ll c;cin>>n>>m>>c; vector<tuple<int, int, int, int>> e(m); priority_queue<pii, vecpii, greater<pii>> q; rep(i, m){ auto& [a, b, c, d] = e[i]; cin>>a>>b>>c>>d; a--, b--; q.emplace(c, i); } HLD hld(n); dsu t(n); ll cs = 0; veci used; while(q.size()){ auto [p, i] = q.top(); q.pop(); auto [u, v, ct, d] = e[i]; if(t.same(u, v)) continue; used.push_back(i); t.merge(u, v); hld.add_edge(u, v); cs += p; } if(cs > c){ cout<<-1<<endl; return 0; } hld.init(); segtree<int, op, ef> sg(n); auto Set = [&](int i, int k){ sg.set(i, k); }; int res = 0; auto Query = [&](int l, int r){ chmax(res, sg.prod(l, r)); }; for(int i : used) hld.set_e(get<0>(e[i]), get<1>(e[i]), get<2>(e[i]), Set); int ans = 0; rep(i, m){ auto& [u, v, ct, p] = e[i]; res = 0; hld.query_e(u, v, Query); if(cs - res + ct <= c) chmax(ans, p); } cout<<ans<<endl; }