結果
問題 | No.2642 Don't cut line! |
ユーザー | TKTYI |
提出日時 | 2024-02-19 22:48:46 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 731 ms / 4,000 ms |
コード長 | 4,076 bytes |
コンパイル時間 | 5,214 ms |
コンパイル使用メモリ | 287,436 KB |
実行使用メモリ | 49,680 KB |
最終ジャッジ日時 | 2024-09-29 03:37:28 |
合計ジャッジ時間 | 18,149 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
(要ログイン)
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
6,816 KB |
testcase_01 | AC | 701 ms
49,552 KB |
testcase_02 | AC | 697 ms
49,552 KB |
testcase_03 | AC | 712 ms
49,660 KB |
testcase_04 | AC | 680 ms
49,676 KB |
testcase_05 | AC | 718 ms
49,680 KB |
testcase_06 | AC | 160 ms
7,296 KB |
testcase_07 | AC | 166 ms
7,296 KB |
testcase_08 | AC | 164 ms
7,296 KB |
testcase_09 | AC | 163 ms
7,296 KB |
testcase_10 | AC | 167 ms
7,424 KB |
testcase_11 | AC | 162 ms
7,168 KB |
testcase_12 | AC | 167 ms
7,296 KB |
testcase_13 | AC | 163 ms
7,296 KB |
testcase_14 | AC | 163 ms
7,168 KB |
testcase_15 | AC | 169 ms
7,296 KB |
testcase_16 | AC | 731 ms
49,680 KB |
testcase_17 | AC | 525 ms
43,196 KB |
testcase_18 | AC | 730 ms
46,744 KB |
testcase_19 | AC | 374 ms
35,552 KB |
testcase_20 | AC | 222 ms
18,368 KB |
testcase_21 | AC | 183 ms
12,544 KB |
testcase_22 | AC | 393 ms
37,720 KB |
testcase_23 | AC | 568 ms
48,984 KB |
testcase_24 | AC | 161 ms
25,452 KB |
testcase_25 | AC | 169 ms
23,032 KB |
testcase_26 | AC | 186 ms
12,672 KB |
testcase_27 | AC | 424 ms
33,004 KB |
testcase_28 | AC | 631 ms
45,332 KB |
testcase_29 | AC | 186 ms
15,744 KB |
testcase_30 | AC | 178 ms
20,620 KB |
testcase_31 | AC | 471 ms
38,988 KB |
testcase_32 | AC | 177 ms
19,052 KB |
testcase_33 | AC | 2 ms
6,816 KB |
testcase_34 | AC | 2 ms
6,816 KB |
testcase_35 | AC | 2 ms
6,820 KB |
ソースコード
#include<bits/stdc++.h> #include<atcoder/all> using namespace std; using namespace atcoder; typedef long long int ll; typedef long double ld; typedef vector<ll> vi; typedef vector<vi> vvi; typedef vector<vvi> vvvi; typedef vector<vvvi> vvvvi; typedef vector<bool> vb; typedef vector<vb> vvb; typedef vector<vvb> vvvb; typedef vector<vvvb> vvvvb; typedef pair<ll,ll> pi; typedef pair<ll,pi> ppi; typedef pair<ll,ppi> pppi; typedef pair<ll,pppi> ppppi; #define FOR(i,l,r) for(ll i=l;i<r;i++) #define REP(i,n) FOR(i,0,n) #define RFOR(i,l,r) for(ll i=r-1;i>=l;i--) #define RREP(i,n) RFOR(i,0,n) #define ALL(x) x.begin(),x.end() #define F first #define S second #define BS(A,x) binary_search(ALL(A),x) #define LB(A,x) (ll)(lower_bound(ALL(A),x)-A.begin()) #define UB(A,x) (ll)(upper_bound(ALL(A),x)-A.begin()) #define COU(A,x) (UB(A,x)-LB(A,x)) #define sz(c) ((ll)(c).size()) /* #include<boost/multiprecision/cpp_int.hpp> namespace mp=boost::multiprecision; using Bint=mp::cpp_int; */ template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>; template<typename T1,typename T2>ostream&operator<<(ostream&os,pair<T1,T2>&p){os<<p.F<<" "<<p.S;return os;} template<typename T1,typename T2>istream&operator>>(istream&is,pair<T1,T2>&p){is>>p.F>>p.S;return is;} template<typename T>ostream&operator<<(ostream&os,vector<T>&v){REP(i,sz(v))os<<v[i]<<(i+1!=sz(v)?" ":"");return os;} template<typename T>istream&operator>>(istream&is,vector<T>&v){for(T&in:v)is>>in;return is;} template<class T>bool chmax(T&a,T b){if(a<b){a=b;return 1;}return 0;} template<class T>bool chmin(T&a,T b){if(b<a){a=b;return 1;}return 0;} ld dist(ld x1,ld y1,ld x2,ld y2){return sqrtl((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));} vi fast_mod_convolution(vi&a,vi&b,ll mod){ const ll m1=167772161,m2=469762049,m3=1224736769; const ll m1_inv_m2=inv_mod(m1,m2); const ll m12_inv_m3=inv_mod(m1*m2,m3); const ll m12_mod=m1*m2%mod; auto x=convolution<m1>(a,b); auto y=convolution<m2>(a,b); auto z=convolution<m3>(a,b); vector<ll>ret(sz(a)+sz(b)-1); REP(i,sz(ret)){ ll v1=(y[i]-x[i])*m1_inv_m2%m2;if(v1<0)v1+=m2; ll v2=(z[i]-(x[i]+m1*v1)%m3)*m12_inv_m3%m3;if(v2<0)v2+=m3; ret[i]=(x[i]+m1*v1+m12_mod*v2)%mod; } return ret; } const ld EPS=1e-8; //* using mint=modint998244353; const ll mod=998244353; //*/ /* using mint=modint1000000007; const ll mod=1000000007; //*/ //using mint=modint; //* typedef vector<mint> vm; typedef vector<vm> vvm; typedef vector<vvm> vvvm; typedef vector<vvvm> vvvvm; ostream&operator<<(ostream&os,mint&a){os<<a.val();return os;} //*/ int main(){ ll N,K,C;cin>>N>>K>>C; vi u(K),v(K),w(K),p(K); REP(i,K){ cin>>u[i]>>v[i]>>w[i]>>p[i]; u[i]--;v[i]--; } vi idx(K); REP(i,K)idx[i]=i; sort(ALL(idx),[&](ll i,ll j){return w[i]<w[j];}); dsu D(N); ll W=0,Pr=0; vector<vector<pi>>E(N); for(auto i:idx)if(!D.same(u[i],v[i])){ D.merge(u[i],v[i]); W+=w[i]; chmax(Pr,p[i]); E[u[i]].emplace_back(pi(v[i],w[i])); E[v[i]].emplace_back(pi(u[i],w[i])); } vi P(N),dist(N,1e18),depth(N); queue<ll>Q; Q.emplace(0); dist[0]=0; while(sz(Q)){ ll v=Q.front();Q.pop(); for(auto[u,w]:E[v])if(chmin(dist[u],dist[v]+w))depth[u]=depth[v]+1,P[u]=v,Q.emplace(u); } vvi T(20,vi(N)),U(20,vi(N)); REP(i,N)T[0][i]=P[i],U[0][i]=dist[i]-dist[P[i]]; FOR(i,1,20)REP(j,N)T[i][j]=T[i-1][T[i-1][j]],U[i][j]=max(U[i-1][j],U[i-1][T[i-1][j]]); auto up=[&](ll v,ll d){ chmin(d,N); REP(i,20)if((d>>i)%2)v=T[i][v]; return v; }; auto lca=[&](ll u,ll v){ if(depth[u]<depth[v])v=up(v,depth[v]-depth[u]); if(depth[v]<depth[u])u=up(u,depth[u]-depth[v]); ll l=-1,r=N; while(r-l>1){ ll m=(l+r)/2; if(up(u,m)==up(v,m))r=m; else l=m; } return up(v,r); }; auto ma=[&](ll u,ll v){ ll w=lca(u,v),ret=0; ll du=depth[u]-depth[w],dv=depth[v]-depth[w]; REP(i,20)if((du>>i)%2)chmax(ret,U[i][u]),u=T[i][u]; REP(i,20)if((dv>>i)%2)chmax(ret,U[i][v]),v=T[i][v]; return ret; }; ll ans=-1; REP(i,K)if(w[i]<=C-W+ma(u[i],v[i]))chmax(ans,max(Pr,p[i])); cout<<ans<<endl; return 0; }