結果
問題 | No.1295 木と駒 |
ユーザー | maroon_kuri |
提出日時 | 2020-11-21 00:32:44 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 114 ms / 2,000 ms |
コード長 | 6,013 bytes |
コンパイル時間 | 2,472 ms |
コンパイル使用メモリ | 212,892 KB |
実行使用メモリ | 43,920 KB |
最終ジャッジ日時 | 2024-07-23 14:11:28 |
合計ジャッジ時間 | 7,603 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 94 ms
25,856 KB |
testcase_15 | AC | 96 ms
25,872 KB |
testcase_16 | AC | 87 ms
25,844 KB |
testcase_17 | AC | 85 ms
25,864 KB |
testcase_18 | AC | 85 ms
25,864 KB |
testcase_19 | AC | 65 ms
25,872 KB |
testcase_20 | AC | 81 ms
43,860 KB |
testcase_21 | AC | 81 ms
31,396 KB |
testcase_22 | AC | 76 ms
26,336 KB |
testcase_23 | AC | 79 ms
35,032 KB |
testcase_24 | AC | 80 ms
35,144 KB |
testcase_25 | AC | 61 ms
26,416 KB |
testcase_26 | AC | 65 ms
43,920 KB |
testcase_27 | AC | 65 ms
43,748 KB |
testcase_28 | AC | 114 ms
41,632 KB |
testcase_29 | AC | 65 ms
43,856 KB |
testcase_30 | AC | 65 ms
43,816 KB |
testcase_31 | AC | 65 ms
43,752 KB |
testcase_32 | AC | 92 ms
38,132 KB |
testcase_33 | AC | 77 ms
25,724 KB |
testcase_34 | AC | 79 ms
25,716 KB |
testcase_35 | AC | 77 ms
25,872 KB |
testcase_36 | AC | 81 ms
25,716 KB |
testcase_37 | AC | 91 ms
25,688 KB |
testcase_38 | AC | 87 ms
25,748 KB |
testcase_39 | AC | 83 ms
25,920 KB |
testcase_40 | AC | 74 ms
25,788 KB |
testcase_41 | AC | 60 ms
25,896 KB |
testcase_42 | AC | 78 ms
25,928 KB |
testcase_43 | AC | 64 ms
25,864 KB |
testcase_44 | AC | 63 ms
25,736 KB |
testcase_45 | AC | 68 ms
25,864 KB |
testcase_46 | AC | 69 ms
25,976 KB |
testcase_47 | AC | 66 ms
25,972 KB |
testcase_48 | AC | 69 ms
25,960 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll=long long; #define int ll #define rng(i,a,b) for(int i=int(a);i<int(b);i++) #define rep(i,b) rng(i,0,b) #define gnr(i,a,b) for(int i=int(b)-1;i>=int(a);i--) #define per(i,b) gnr(i,0,b) #define pb push_back #define eb emplace_back #define a first #define b second #define bg begin() #define ed end() #define all(x) x.bg,x.ed #define si(x) int(x.size()) #ifdef LOCAL #define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl #else #define dmp(x) void(0) #endif template<class t,class u> void chmax(t&a,u b){if(a<b)a=b;} template<class t,class u> void chmin(t&a,u b){if(b<a)a=b;} template<class t> using vc=vector<t>; template<class t> using vvc=vc<vc<t>>; using pi=pair<int,int>; using vi=vc<int>; template<class t,class u> ostream& operator<<(ostream& os,const pair<t,u>& p){ return os<<"{"<<p.a<<","<<p.b<<"}"; } template<class t> ostream& operator<<(ostream& os,const vc<t>& v){ os<<"{"; for(auto e:v)os<<e<<","; return os<<"}"; } #define mp make_pair #define mt make_tuple #define one(x) memset(x,-1,sizeof(x)) #define zero(x) memset(x,0,sizeof(x)) #ifdef LOCAL void dmpr(ostream&os){os<<endl;} template<class T,class... Args> void dmpr(ostream&os,const T&t,const Args&... args){ os<<t<<" "; dmpr(os,args...); } #define dmp2(...) dmpr(cerr,__LINE__,##__VA_ARGS__) #else #define dmp2(...) void(0) #endif using uint=unsigned; using ull=unsigned long long; template<class t,size_t n> ostream& operator<<(ostream&os,const array<t,n>&a){ return os<<vc<t>(all(a)); } template<int i,class T> void print_tuple(ostream&,const T&){ } template<int i,class T,class H,class ...Args> void print_tuple(ostream&os,const T&t){ if(i)os<<","; os<<get<i>(t); print_tuple<i+1,T,Args...>(os,t); } template<class ...Args> ostream& operator<<(ostream&os,const tuple<Args...>&t){ os<<"{"; print_tuple<0,tuple<Args...>,Args...>(os,t); return os<<"}"; } template<class t> void print(t x,int suc=1){ cout<<x; if(suc==1) cout<<"\n"; if(suc==2) cout<<" "; } ll read(){ ll i; cin>>i; return i; } vi readvi(int n,int off=0){ vi v(n); rep(i,n)v[i]=read()+off; return v; } pi readpi(int off=0){ int a,b;cin>>a>>b; return pi(a+off,b+off); } template<class T> void print(const vector<T>&v,int suc=1){ rep(i,v.size()) print(v[i],i==int(v.size())-1?suc:2); } string readString(){ string s; cin>>s; return s; } template<class T> T sq(const T& t){ return t*t; } //#define CAPITAL void yes(bool ex=true){ #ifdef CAPITAL cout<<"YES"<<"\n"; #else cout<<"Yes"<<"\n"; #endif if(ex)exit(0); #ifdef LOCAL cout.flush(); #endif } void no(bool ex=true){ #ifdef CAPITAL cout<<"NO"<<"\n"; #else cout<<"No"<<"\n"; #endif if(ex)exit(0); #ifdef LOCAL cout.flush(); #endif } void possible(bool ex=true){ #ifdef CAPITAL cout<<"POSSIBLE"<<"\n"; #else cout<<"Possible"<<"\n"; #endif if(ex)exit(0); #ifdef LOCAL cout.flush(); #endif } void impossible(bool ex=true){ #ifdef CAPITAL cout<<"IMPOSSIBLE"<<"\n"; #else cout<<"Impossible"<<"\n"; #endif if(ex)exit(0); #ifdef LOCAL cout.flush(); #endif } constexpr ll ten(int n){ return n==0?1:ten(n-1)*10; } const ll infLL=LLONG_MAX/3; #ifdef int const int inf=infLL; #else const int inf=INT_MAX/2-100; #endif int topbit(signed t){ return t==0?-1:31-__builtin_clz(t); } int topbit(ll t){ return t==0?-1:63-__builtin_clzll(t); } int botbit(signed a){ return a==0?32:__builtin_ctz(a); } int botbit(ll a){ return a==0?64:__builtin_ctzll(a); } int popcount(signed t){ return __builtin_popcount(t); } int popcount(ll t){ return __builtin_popcountll(t); } bool ispow2(int i){ return i&&(i&-i)==i; } ll mask(int i){ return (ll(1)<<i)-1; } bool inc(int a,int b,int c){ return a<=b&&b<=c; } template<class t> void mkuni(vc<t>&v){ sort(all(v)); v.erase(unique(all(v)),v.ed); } ll rand_int(ll l, ll r) { //[l, r] #ifdef LOCAL static mt19937_64 gen; #else static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count()); #endif return uniform_int_distribution<ll>(l, r)(gen); } template<class t> void myshuffle(vc<t>&a){ rep(i,si(a))swap(a[i],a[rand_int(0,i)]); } template<class t> int lwb(const vc<t>&v,const t&a){ return lower_bound(all(v),a)-v.bg; } vvc<int> readGraph(int n,int m){ vvc<int> g(n); rep(i,m){ int a,b; cin>>a>>b; //sc.read(a,b); a--;b--; g[a].pb(b); g[b].pb(a); } return g; } vvc<int> readTree(int n){ return readGraph(n,n-1); } //有向木じゃダメ!! //AGC034E //XX Opencup GP of Korea //CF446D //int(E)->to template<class E,class N> struct treedp{ const vvc<E>& g; vc<N> a,b,res,sub,bus; vc<E> par; void dfs1(int v,int p){ a[v].init(v); for(auto e:g[v]) if(e!=p){ dfs1(e,v); b[e]=a[v]; a[v]=a[v]+a[e]; }else{ par[v]=e; } sub[v]=a[v]; if(p!=-1)a[v]=a[v].up(par[v]); } void dfs2(int v,int p,N cur){ per(i,g[v].size()){ auto e=g[v][i]; if(e==p)continue; bus[e]=cur+b[e]; dfs2(e,v,bus[e].up(e)); cur=cur+a[e]; } res[v]=cur; } treedp(const vvc<E>&gg):g(gg),a(si(g)),b(si(g)),res(si(g)),sub(si(g)),bus(si(g)),par(si(g)){ dfs1(0,-1); N tmp;tmp.init(0); dfs2(0,-1,tmp); } }; struct N{ int r; bool a,b,c; int mn,mx; void init(int v){ r=v; a=true; b=true; c=true; mn=inf; mx=-inf; } N up(int to){ N res; res.r=to; res.mn=r; res.mx=r; if(a){ res.a=true; res.b=b&&to<mn; }else{ res.a=to>mn&&c; res.b=false; } res.c=res.a; return res; } N operator+(N x)const{ assert(r==x.r); N y=*this; if(x.mx>y.mx)swap(x,y); N res; res.r=r; res.mn=min(x.mn,y.mn); res.mx=max(x.mx,y.mx); if(x.b&&y.a){ res.a=true; res.b=y.b; }else{ res.a=false; res.b=false; } if(x.mn>y.mn)swap(x,y); res.c=x.c&&y.b; return res; } }; void slv(){ int n;cin>>n; auto t=readTree(n); treedp<int,N> dp(t); rep(i,n)if(dp.res[i].a||dp.res[i].c) yes(0); else no(0); } signed main(){ cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20); //int t;cin>>t;rep(_,t) slv(); }