結果

問題 No.1778 括弧列クエリ / Bracketed Sequence Query
ユーザー fgwiebfaoishfgwiebfaoish
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
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 1
other AC * 27
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 #
プレゼンテーションモードにする

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));}
}
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