結果
問題 | No.1778 括弧列クエリ / Bracketed Sequence Query |
ユーザー |
![]() |
提出日時 | 2021-12-10 21:20:11 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 476 ms / 2,000 ms |
コード長 | 5,007 bytes |
コンパイル時間 | 1,036 ms |
コンパイル使用メモリ | 110,592 KB |
実行使用メモリ | 76,400 KB |
最終ジャッジ日時 | 2024-07-18 15:29:12 |
合計ジャッジ時間 | 13,274 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 27 |
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
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]>>1)+1,m=s[1];li=new List<int>[n+1];for(int i=1;i<=n;i++){li[i]=new List<int>();}var t=sc.S;var h=new int[t.Length];var d=new int[n+1][];int p=1,g=-1;Fu(1);void Fu(int a){g++;while(g<t.Length){if(t[g]=='('){li[a].Add(++p);li[p].Add(a);h[g]=p;d[p]=new int[]{g+1,0};Fu(p);}else{h[g]=a;d[a][1]=g+1;g++;return;}}}var al=new Alca(li,true,1);StringBuilder sb=new StringBuilder();for(int i = 0;i<m;i++) {var e=sc.Ia;var f=al.Lca(h[e[0]-1],h[e[1]-1]);sb.Append((f==1?"-1":string.Join(" ",d[f]))+"\n");}Console.Write(sb);}}public class Alca{private List<int>[] li;private readonly int[] at,l;public readonly int[] ix,de;private readonly int[][] g;private int f=0;public Alca(List<int>[] li,bool bo,int r){int n=li.Length,z=(n<<1)-3,m=0;this.li=li;at=new int[z];ix=new int[n];de=new int[n];if(bo){Fu1(r,1);}else{for(int i = 1;i<n;i++) {if(de[i]==0){Fu1(i,1);f++;}}}m=(int)Log(z,2)+1;g=new int[m][];g[0]=new int[z];l=new int[z+1];for(int i=0;i<z;i++){g[0][i]=i;l[i+1]=l[i>>1]+1;}for(int i=1,k=1;i<m;i++,k<<=1){int p=z+1-(k<<1);g[i]=new int[p];for(int j=0;j<p;j++){g[i][j]=de[at[g[i-1][j]]]<de[at[g[i-1][j+k]]]?g[i-1][j]:g[i-1][j+k];}}}public int Lca(int a,int b){return Get(ix[a],ix[b]);}public int Di(int a,int b){int p=Get(ix[a],ix[b]);return p!=0?de[a]+de[b]-(de[p]<<1):-1;}private int Get(int a,int b){if(a>b){(a,b)=(b,a);}int p=l[b-a];return at[de[at[g[p][a]]]<de[at[g[p][b+1-(1<<p)]]]?g[p][a]:g[p][b+1-(1<<p)]];}private void Fu1(int a,int g){at[f]=a;de[a]=g;ix[a]=f;f++;for(int i=0;i<li[a].Count;i++){if(de[li[a][i]]==0){Fu1(li[a][i],g+1);at[f]=a;f++;}}}}public class Sc{public int I{get{return int.Parse(Console.ReadLine());}}public long L{get{return long.Parse(Console.ReadLine());}}public double D{get{return double.Parse(Console.ReadLine());}}public string S{get{return Console.ReadLine();}}public int[] Ia{get{return Array.ConvertAll(Console.ReadLine().Split(),int.Parse);}}public long[] La{get{return Array.ConvertAll(Console.ReadLine().Split(),long.Parse);}}public double[] Da{get{return Array.ConvertAll(Console.ReadLine().Split(),double.Parse);}}public string[] Sa{get{return Console.ReadLine().Split();}}public object[] Oa{get{return Console.ReadLine().Split();}}public int[] Ia2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),int.Parse);}}public int[] Ia3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),int.Parse);}public int[] Ia3(int a){return Array.ConvertAll((Console.ReadLine()+" "+a.ToString()).Split(),int.Parse);}public long[] La2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),long.Parse);}}public long[] La3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),long.Parse);}public long[] La3(int a){return Array.ConvertAll((Console.ReadLine()+" "+a.ToString()).Split(),long.Parse);}public double[] Da2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),double.Parse);}}public double[] Da3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),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(Console.ReadLine().Split());}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,Console.ReadLine().Split());}return a;}public (T,T) Tp2<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]));}public (T,T,T) Tp3<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]));}public (T,T,T,T) Tp4<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]));}public (T,T,T,T,T) Tp5<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]),Ct<T>(s[4]));}public (T1,T2) Tp2<T1,T2>(){var s=Console.ReadLine().Split();return (Ct<T1>(s[0]),Ct<T2>(s[1]));}public (T1,T1,T2) Tp3<T1,T2>(){var s=Console.ReadLine().Split();return (Ct<T1>(s[0]),Ct<T1>(s[1]),Ct<T2>(s[2]));}private T Ct<T>(string s){return (T)Convert.ChangeType(s,typeof(T));}}