結果
| 問題 | No.483 マッチ並べ |
| ユーザー |
 fgwiebfaoish
|
| 提出日時 | 2022-01-20 22:00:24 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 9,883 bytes |
| コンパイル時間 | 1,079 ms |
| コンパイル使用メモリ | 119,032 KB |
| 実行使用メモリ | 28,632 KB |
| 最終ジャッジ日時 | 2024-05-03 08:38:45 |
| 合計ジャッジ時間 | 4,675 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge4 |
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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 | WA | - |
| testcase_01 | WA | - |
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| testcase_52 | WA | - |
| testcase_53 | WA | - |
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| testcase_55 | WA | - |
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.Text.RegularExpressions;
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 long inf=long.MaxValue>>1;
const int mod=(int)1e9+7;
static Sc sc=new Sc();
static Pt pt=new Pt();
static void Main(){
Solve();
pt.Sm();
}
static void Solve() {
var n=sc.I;
var a=new int[101,101];
var h=new int[n][];
int p=0;
for(int i = 0;i<n;i++) {
h[i]=sc.Ia;
if(a[h[i][0],h[i][1]]==0){a[h[i][0],h[i][1]]=++p;}
if(a[h[i][2],h[i][3]]==0){a[h[i][2],h[i][3]]=++p;}
}
var fl=new Mfp((p<<1)+n+3);
for(int i = 0;i<n;i++) {
fl.Edge(a[h[i][0],h[i][1]],a[h[i][2],h[i][3]]+p,1);
fl.Edge(a[h[i][0],h[i][1]]+p,a[h[i][2],h[i][3]]+p,1);
fl.Edge(0,(p<<1)+1+i,1);
fl.Edge((p<<1)+1+i,a[h[i][0],h[i][1]],1);
fl.Edge((p<<1)+1+i,a[h[i][2],h[i][3]],1);
}
for(int i = 1;i<=p;i++) {fl.Edge(p+i,(p<<1)+n+1,1);}
pt.Wl(fl.Dinic(0,(p<<1)+n+1)==n?"YES":"NO");
}
}
public class Mfp{
public List<int>[] li;
private Dictionary<int,int>[] h;
private bool[] b;
private int[] l;
private int n,ans,go;
private const int inf=int.MaxValue;
public Mfp(int n){
this.n=n;
li=new List<int>[n];
h=new Dictionary<int,int>[n+1];
for(int i=0;i<n;i++){
li[i]=new List<int>();
h[i]=new Dictionary<int,int>();
}
}
public void Edge(int a,int b,int c){
Console.WriteLine((a,b));
if(a==b){return;}
if(!h[a].ContainsKey(b)){
li[a].Add(b);
li[b].Add(a);
h[a].Add(b,c);
h[b].Add(a,0);
}
else{h[a][b]+=c;}
}
public int Dinic(int st,int go){
this.go=st;
ans=0;
int z=1;
while(z>0){
l=new int[n];
var qu=new Queue<ValueTuple<int,int>>();
qu.Enqueue(ValueTuple.Create(st,1));
l[st]=1;
while(qu.Count>0){
var e=qu.Dequeue();
for(int i=0;i<li[e.Item1].Count;i++){
if(l[li[e.Item1][i]]==0&&h[e.Item1][li[e.Item1][i]]!=0){
l[li[e.Item1][i]]=e.Item2+1;
qu.Enqueue(ValueTuple.Create(li[e.Item1][i],e.Item2+1));
}
}
if(e.Item1==go){break;}
}
b=new bool[n];
z=Fu3(go,inf);
ans+=z;
}
return ans;
}
private int Fu3(int a,int p){
if(a==go){return p;}
int u=0;
for(int i=0;i<li[a].Count&&p>u;i++){
if(!b[li[a][i]]&&l[li[a][i]]<l[a]&&h[li[a][i]][a]!=0){
int z=Fu3(li[a][i],Min(p-u,h[li[a][i]][a]));
h[li[a][i]][a]-=z;
h[a][li[a][i]]+=z;
u+=z;
}
}
if(u==0){b[a]=true;}
return u;
}
public int Ff(int st,int go){
this.go=go;
ans=0;
int z=1;
while(z>0){
b=new bool[n];
z=Fu2(st,inf);
ans+=z;
}
return ans;
}
private int Fu2(int a,int p){
if(a==go){return p;}
int u=0;
b[a]=true;
for(int i=0;i<li[a].Count&&p>u;i++){
if(!b[li[a][i]]&&h[a][li[a][i]]!=0){
int z=Fu2(li[a][i],Min(p-u,h[a][li[a][i]]));
h[a][li[a][i]]-=z;
h[li[a][i]][a]+=z;
u+=z;
}
}
if(u!=0){b[a]=false;}
return u;
}
public void Vc(int s,Action<int> f){
b=new bool[n];
Fu4(s,0,f);
for(int i=0;i<li[s].Count;i++){
if(h[s][li[s][i]]==0&&!b[li[s][i]]){f(li[s][i]);}
}
}
private void Fu4(int a,int p,Action<int> f){
b[a]=true;
if((p&1)==0&&p!=0){f(a);}
for(int i=0;i<li[a].Count;i++){
if(h[a][li[a][i]]!=0&&!b[li[a][i]]){Fu4(li[a][i],p+1,f);}
}
}
}
public class Pt{
private StringBuilder sb=new StringBuilder();
public void W(int s){sb.Append(s);}
public void W(long s){sb.Append(s);}
public void W(double s){sb.Append(s);}
public void W(decimal s){sb.Append(s);}
public void W(string s){sb.Append(s);}
public void W(object s){sb.Append(s);}
public void W(string f,int s){sb.Append(s.ToString(f));}
public void W(string f,long s){sb.Append(s.ToString(f));}
public void W(string f,double s){sb.Append(s.ToString(f));}
public void W(string f,decimal s){sb.Append(s.ToString(f));}
public void Wl(int s){sb.Append(s).Append(Environment.NewLine);}
public void Wl(long s){sb.Append(s).Append(Environment.NewLine);}
public void Wl(double s){sb.Append(s).Append(Environment.NewLine);}
public void Wl(decimal s){sb.Append(s).Append(Environment.NewLine);}
public void Wl(string s){sb.Append(s).Append(Environment.NewLine);}
public void Wl(object s){sb.Append(s).Append(Environment.NewLine);}
public void Wl(string f,int s){sb.Append(s.ToString(f)).Append(Environment.NewLine);}
public void Wl(string f,long s){sb.Append(s.ToString(f)).Append(Environment.NewLine);}
public void Wl(string f,double s){sb.Append(s.ToString(f)).Append(Environment.NewLine);}
public void Wl(string f,decimal s){sb.Append(s.ToString(f)).Append(Environment.NewLine);}
public void Wl(int[] s){sb.Append(string.Join(" ",s)).Append(Environment.NewLine);}
public void Wl(long[] s){sb.Append(string.Join(" ",s)).Append(Environment.NewLine);}
public void Wl(double[] s){sb.Append(string.Join(" ",s)).Append(Environment.NewLine);}
public void Wl(string[] s){sb.Append(string.Join(" ",s)).Append(Environment.NewLine);}
public void Wl(object[] s){sb.Append(string.Join(" ",s)).Append(Environment.NewLine);}
public void Wl(){sb.Append(Environment.NewLine);}
public void Sm(){Console.Write(sb);}
}
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;}
}