結果

問題 No.1790 Subtree Deletion
ユーザー fgwiebfaoishfgwiebfaoish
提出日時 2021-12-19 02:30:56
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 823 ms / 3,000 ms
コード長 9,319 bytes
コンパイル時間 4,650 ms
コンパイル使用メモリ 110,464 KB
実行使用メモリ 71,788 KB
最終ジャッジ日時 2024-09-15 14:23:14
合計ジャッジ時間 11,037 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge2
このコードへのチャレンジ
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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 28 ms
18,048 KB
testcase_01 AC 27 ms
17,920 KB
testcase_02 AC 27 ms
18,048 KB
testcase_03 AC 823 ms
64,620 KB
testcase_04 AC 781 ms
64,744 KB
testcase_05 AC 798 ms
64,752 KB
testcase_06 AC 774 ms
64,744 KB
testcase_07 AC 775 ms
64,756 KB
testcase_08 AC 119 ms
22,064 KB
testcase_09 AC 718 ms
71,788 KB
testcase_10 AC 796 ms
67,948 KB
testcase_11 AC 800 ms
67,832 KB
testcase_12 AC 591 ms
63,088 KB
testcase_13 AC 578 ms
58,984 KB
testcase_14 AC 191 ms
32,896 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc)
Copyright (C) Microsoft Corporation. All rights reserved.

ソースコード

diff # 

using System;
using System.Collections.Generic;
using System.Collections;
using System.Collections.Specialized;
using System.Linq;
using System.Text;
using System.IO;
using System.Reflection;
using static System.Math;
using System.Numerics;
using System.Threading;
using System.Runtime.CompilerServices;
using System.Diagnostics;
static class Program{
	const int mod=(int)1e9+7;
	static List<int>[] li;
	static void Main(){
		Sc sc=new Sc();
		var s=sc.Ia;
		int n=s[0],m=n-1;
		n=(n<<1)-1;
		li=new List<int>[n+1];
		var h=new long[m][];
		var b=new bool[n+1];
		for(int i=1;i<=n;i++){li[i]=new List<int>();}
		for(int i=0,j=m+2;i<m;i++){
			h[i]=sc.La;
			li[h[i][0]].Add(j);
			li[j].Add((int)h[i][0]);
			li[h[i][1]].Add(j);
			li[j].Add((int)h[i][1]);
			j++;
		}
		var et=new Et(li,1);
		Lst st=new Lst(n+1);
		var g=new long[n+1];
		var d=new long[n+1];
		var r=new int[n+1];
		for(int i = 0;i<m;i++) {
			int f=(int)(et.fa[h[i][0]]>et.fa[h[i][1]]?h[i][0]:h[i][1]);
			for(int j = 0;j<li[f].Count;j++) {
				if(et.fa[f]>et.fa[li[f][j]]){r[f]=li[f][j];}
			}
			st.Add(et.ixl2[r[f]],et.ixl2[r[f]],h[i][2]);
		}
		var q=sc.I;
		StringBuilder sb=new StringBuilder();
		for(int i = 0;i<q;i++) {
			var e=sc.Ia;
			if(e[0]==1){st.Add(et.ixl2[r[e[1]]],et.ixr2[r[e[1]]],0);}
			else{sb.Append((b[e[1]]?0:st.Get(et.ixl2[e[1]],et.ixr2[e[1]]).d1)+"\n");}
		}
		Console.Write(sb);
	}
}
public class Lst{
	public struct Dt{
		public long d1,lz1;
		public Dt(bool b){d1=0;lz1=0;}
		public Dt(long d1){
			this.d1=d1;
			lz1=0;
		}
		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static Dt Um(Dt a,long n1,int h){
			a.d1=n1;
			return a;
		}
		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static Dt Lm(Dt a,long n1){
			a.lz1=n1;
			return a;
		}
		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static Dt Cm(Dt l,Dt r){
			var a=new Dt(true);
			a.d1=l.d1^r.d1;
			return a;
		}
		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static Dt Cl(Dt a){
			a.lz1=0;
			return a;
		}
		public override string ToString(){
			var me=GetType().GetFields(BindingFlags.Public|BindingFlags.NonPublic|BindingFlags.Instance);
			var st="";
			foreach (MemberInfo e in me){st+=e.Name+":"+GetType().GetField(e.Name).GetValue(this)+" ";}
			return st;
		}
	}
	const int mod=(int)1e9+7;
	private Dt[] dat;
	private int[] ha;
	private bool[] bo;
	private int n,m=1,cnt;
	private readonly Dt ie=new Dt(true);
	public Lst(int n){
		this.n=n;
		while(m<n){m<<=1;}
		cnt=m+n;
		dat=new Dt[cnt];
		bo=new bool[cnt];
		ha=new int[cnt];
		for(int i = 0;i<cnt;i++) {dat[i]=ie;}
		for(int i = cnt-n;i<cnt;i++) {
			ha[i]=1;
			ha[i>>1]++;
		}
		for(int i = cnt-n-1;i>1;i--) {ha[i>>1]+=ha[i];}
	}
	public Lst(int[] a){
		n=a.Length;
		while(m<n){m<<=1;}
		cnt=m+n;
		dat=new Dt[cnt];
		bo=new bool[cnt];
		ha=new int[cnt];
		for(int i = cnt-n;i<cnt;i++) {
			dat[i]=new Dt(a[i-cnt+n]);
			ha[i]=1;
		}
		for(int i = cnt-n-1;i>0;i--) {
			if(i<<1<cnt){
				if((i<<1)+1<cnt){
					dat[i]=Dt.Cm(dat[i<<1],dat[(i<<1)+1]);
					ha[i]=ha[i<<1]+ha[(i<<1)+1];
				}
				else{
					dat[i]=dat[i<<1];
					ha[i]=ha[i<<1];
				}
			}
			else{dat[i]=ie;}
		}
	}
	public Dt Get(int a,int b){return Fge(a,b,1,0,n-1);}
	private Dt Fge(int a,int b,int k,int l,int r){
		if(r<a||b<l){return ie;}
		if(a<=l&&r<=b){return dat[k];}
		Flz(k);
		return Dt.Cm(Fge(a,b,k<<1,l,l+ha[k<<1]-1),Fge(a,b,(k<<1)+1,l+ha[k<<1],r));
	}
	public void Add(int a,int b,long d1){Fad(a,b,1,0,n-1,d1);}
	private void Fad(int a,int b,int k,int l,int r,long d1){
		if(a<=l&&r<=b){
			dat[k]=Dt.Lm(dat[k],d1);
			dat[k]=Dt.Um(dat[k],d1,ha[k]);
			bo[k]=true;
		}
		else if(r>=a&&b>=l){
			Flz(k);
			Fad(a,b,k<<1,l,l+ha[k<<1]-1,d1);
			Fad(a,b,(k<<1)+1,l+ha[k<<1],r,d1);
			dat[k]=Dt.Cm(dat[k<<1],dat[(k<<1)+1]);
		}
	}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	private void Flz(int k){
		if(bo[k]&&ha[k]>1){
			if(ha[k<<1]>0){
				dat[k<<1]=Dt.Lm(dat[k<<1],dat[k].lz1);
				dat[k<<1]=Dt.Um(dat[k<<1],dat[k].lz1,ha[k<<1]);
				bo[k<<1]=true;
			}
			if(ha[(k<<1)+1]>0){
				dat[(k<<1)+1]=Dt.Lm(dat[(k<<1)+1],dat[k].lz1);
				dat[(k<<1)+1]=Dt.Um(dat[(k<<1)+1],dat[k].lz1,ha[(k<<1)+1]);
				bo[(k<<1)+1]=true;
			}
			dat[k]=Dt.Cl(dat[k]);
			bo[k]=false;
		}
	}
}
public class Et{
	private List<int>[] li;
	public int[] at2,ixl2,ixr2,fa;
	private int f=1,f2=1;
	public Et(List<int>[] li,int o){
		int n=li.Length;
		this.li=li;
		at2=new int[n];
		ixl2=new int[n];
		ixr2=new int[n];
		fa=new int[n+1];
		Fu1(o,1);
	}
	private void Fu1(int a,int g){
		at2[f2]=a;
		ixl2[a]=f2;
		f++;f2++;
		fa[a]=g;
		for(int i=0;i<li[a].Count;i++){
			if(ixl2[li[a][i]]==0){
				Fu1(li[a][i],g+1);
				f++;
			}
		}
		ixr2[a]=f2-1;
	}
}
public class Sc{
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	protected virtual string Rl(){return Console.ReadLine();}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	protected virtual string[] Sp(string st){return st.Split();}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	private T Ct<T>(string s){return (T)Convert.ChangeType(s,typeof(T));}
	public virtual int I{get{return int.Parse(Rl());}}
	public virtual long L{get{return long.Parse(Rl());}}
	public virtual double D{get{return double.Parse(Rl());}}
	public virtual string S{get{return Rl();}}
	public int[] Ia{get{return Array.ConvertAll(Sp(Rl()),int.Parse);}}
	public long[] La{get{return Array.ConvertAll(Sp(Rl()),long.Parse);}}
	public double[] Da{get{return Array.ConvertAll(Sp(Rl()),double.Parse);}}
	public string[] Sa{get{return Sp(Rl());}}
	public object[] Oa{get{return Sp(Rl());}}
	public int[] Ia2{get{return Array.ConvertAll(Sp("0 "+Rl()+" 0"),int.Parse);}}
	public int[] Ia3(string a,string b){return Array.ConvertAll(Sp(a+Rl()+b),int.Parse);}
	public int[] Ia3(int a){return Array.ConvertAll(Sp(Rl()+" "+a.ToString()),int.Parse);}
	public long[] La2{get{return Array.ConvertAll(Sp("0 "+Rl()+" 0"),long.Parse);}}
	public long[] La3(string a,string b){return Array.ConvertAll(Sp(a+Rl()+b),long.Parse);}
	public long[] La3(int a){return Array.ConvertAll(Sp(Rl()+" "+a.ToString()),long.Parse);}
	public double[] Da2{get{return Array.ConvertAll(Sp("0 "+Rl()+" 0"),double.Parse);}}
	public double[] Da3(string a,string b){return Array.ConvertAll(Sp(a+Rl()+b),double.Parse);}
	public T[] Arr<T>(int n,Func<T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f();}return a;}
	public T[] Arr<T>(int n,Func<int,T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f(i);}return a;}
	public T[] Arr<T>(int n,Func<string[],T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f(Sp(Rl()));}return a;}
	public T[] Arr<T>(int n,Func<int,string[],T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f(i,Sp(Rl()));}return a;}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	public (T,T) Tp2<T>(){var s=Sp(Rl());return (Ct<T>(s[0]),Ct<T>(s[1]));}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	public (T,T,T) Tp3<T>(){var s=Sp(Rl());return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]));}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	public (T,T,T,T) Tp4<T>(){var s=Sp(Rl());return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]));}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	public (T,T,T,T,T) Tp5<T>(){var s=Sp(Rl());return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]),Ct<T>(s[4]));}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	public (T,T,T,T,T,T) Tp6<T>(){var s=Sp(Rl());return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]),Ct<T>(s[4]),Ct<T>(s[5]));}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	public (T1,T2) Tp2<T1,T2>(){var s=Sp(Rl());return (Ct<T1>(s[0]),Ct<T2>(s[1]));}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	public (T1,T1,T2) Tp3<T1,T2>(){var s=Sp(Rl());return (Ct<T1>(s[0]),Ct<T1>(s[1]),Ct<T2>(s[2]));}
}
public class Scs:Sc{
	private StreamReader sr;
	public Scs(string t){sr=new StreamReader(t);}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	protected override string Rl(){return sr.ReadLine();}
}
public class Sc2:Sc{
	private string[] sps=new string[]{" ","　","\t"};
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	protected override string[] Sp(string st){return st.Split(sps,StringSplitOptions.RemoveEmptyEntries);}
	public override int I{get{return int.Parse(Sp(Rl())[0]);}}
	public override long L{get{return long.Parse(Sp(Rl())[0]);}}
	public override double D{get{return double.Parse(Sp(Rl())[0]);}}
	public override string S{get{return Sp(Rl())[0];}}
}
public class Scs2:Sc2{
	private StreamReader sr;
	public Scs2(string t){sr=new StreamReader(t);}
	[MethodImpl(MethodImplOptions.AggressiveInlining)]
	protected override string Rl(){return sr.ReadLine();}
}
public class Sct:Sc{
	private List<string> li=new List<string>();
	private int l=0;
	public void Add(int s){li.Add(s.ToString());}
	public void Add(long s){li.Add(s.ToString());}
	public void Add(double s){li.Add(s.ToString());}
	public void Add(string s){li.Add(s.ToString());}
	public void Add(object s){li.Add(s.ToString());}
	public void Add(int[] s){li.Add(string.Join(" ",s));}
	public void Add(long[] s){li.Add(string.Join(" ",s));}
	public void Add(double[] s){li.Add(string.Join(" ",s));}
	public void Add(string[] s){li.Add(string.Join(" ",s));}
	public void Add(object[] s){li.Add(string.Join(" ",s));}
	protected override string Rl(){return li[l++];}
	public void Clear(){li.Clear();l=0;}
}
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