結果
問題 | No.912 赤黒木 |
ユーザー | maroon_kuri |
提出日時 | 2019-10-18 22:29:54 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 222 ms / 3,000 ms |
コード長 | 3,885 bytes |
コンパイル時間 | 1,915 ms |
コンパイル使用メモリ | 174,080 KB |
実行使用メモリ | 51,712 KB |
最終ジャッジ日時 | 2024-06-25 17:34:42 |
合計ジャッジ時間 | 7,850 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 5 ms
8,064 KB |
testcase_01 | AC | 5 ms
8,064 KB |
testcase_02 | AC | 5 ms
8,192 KB |
testcase_03 | AC | 6 ms
8,192 KB |
testcase_04 | AC | 5 ms
8,192 KB |
testcase_05 | AC | 5 ms
8,064 KB |
testcase_06 | AC | 6 ms
8,064 KB |
testcase_07 | AC | 5 ms
8,192 KB |
testcase_08 | AC | 4 ms
8,064 KB |
testcase_09 | AC | 5 ms
8,064 KB |
testcase_10 | AC | 4 ms
8,064 KB |
testcase_11 | AC | 5 ms
8,192 KB |
testcase_12 | AC | 193 ms
25,728 KB |
testcase_13 | AC | 201 ms
26,240 KB |
testcase_14 | AC | 182 ms
25,088 KB |
testcase_15 | AC | 209 ms
26,368 KB |
testcase_16 | AC | 191 ms
25,728 KB |
testcase_17 | AC | 196 ms
25,728 KB |
testcase_18 | AC | 177 ms
25,088 KB |
testcase_19 | AC | 173 ms
24,960 KB |
testcase_20 | AC | 170 ms
24,704 KB |
testcase_21 | AC | 182 ms
24,576 KB |
testcase_22 | AC | 158 ms
26,556 KB |
testcase_23 | AC | 156 ms
26,688 KB |
testcase_24 | AC | 152 ms
26,688 KB |
testcase_25 | AC | 184 ms
25,856 KB |
testcase_26 | AC | 195 ms
26,240 KB |
testcase_27 | AC | 190 ms
25,472 KB |
testcase_28 | AC | 222 ms
51,712 KB |
testcase_29 | AC | 220 ms
51,456 KB |
testcase_30 | AC | 218 ms
51,712 KB |
testcase_31 | AC | 207 ms
49,280 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 #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)) using uint=unsigned; using ull=unsigned long long; 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<<"}"; } void print(ll 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; } 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"<<endl; #else cout<<"Yes"<<endl; #endif if(ex)exit(0); } void no(bool ex=true){ #ifdef CAPITAL cout<<"NO"<<endl; #else cout<<"No"<<endl; #endif if(ex)exit(0); } 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; } int mask(int i){ return (int(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 random_device rd; static mt19937_64 gen(rd()); #endif return uniform_int_distribution<ll>(l, r)(gen); } const int nmax=200010; vi t[nmax]; int f[nmax]; int dp[nmax][2][3]; void dfs(int v,int p){ rep(i,2)rep(j,3) dp[v][i][j]=inf; if(f[v]){ dp[v][1][0]=0; dp[v][0][1]=0; }else{ dp[v][0][0]=0; } for(auto c:t[v])if(c!=p){ dfs(c,v); int tmp[2][3]{}; rep(i,2)rep(j,3) tmp[i][j]=inf; rep(i,2)rep(j,3)rep(k,2)rep(l,3){ int w=dp[v][i][j]+dp[c][k][l]+k; if(j+l<=2) chmin(tmp[(i+k)%2][j+l],w); } rep(i,2)rep(j,3) dp[v][i][j]=tmp[i][j]; } } signed main(){ cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20); int n;cin>>n; rep(_,n-1){ int a,b;cin>>a>>b; a--;b--; t[a].pb(b); t[b].pb(a); } rep(_,(n-1)*2){ int a;cin>>a; a--; f[a]^=1; } dfs(0,-1); cout<<dp[0][0][2]+n-1<<endl; }