結果
問題 | No.1479 Matrix Eraser |
ユーザー | fgwiebfaoish |
提出日時 | 2021-04-18 13:18:53 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 1,347 ms / 3,000 ms |
コード長 | 6,067 bytes |
コンパイル時間 | 961 ms |
コンパイル使用メモリ | 110,336 KB |
実行使用メモリ | 223,728 KB |
最終ジャッジ日時 | 2024-07-04 04:27:30 |
合計ジャッジ時間 | 29,528 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 26 ms
18,048 KB |
testcase_01 | AC | 28 ms
18,176 KB |
testcase_02 | AC | 27 ms
17,920 KB |
testcase_03 | AC | 28 ms
18,176 KB |
testcase_04 | AC | 26 ms
17,920 KB |
testcase_05 | AC | 27 ms
17,792 KB |
testcase_06 | AC | 28 ms
18,176 KB |
testcase_07 | AC | 132 ms
45,164 KB |
testcase_08 | AC | 222 ms
62,296 KB |
testcase_09 | AC | 487 ms
105,928 KB |
testcase_10 | AC | 948 ms
190,464 KB |
testcase_11 | AC | 556 ms
121,476 KB |
testcase_12 | AC | 153 ms
53,100 KB |
testcase_13 | AC | 231 ms
63,476 KB |
testcase_14 | AC | 165 ms
54,000 KB |
testcase_15 | AC | 55 ms
27,904 KB |
testcase_16 | AC | 192 ms
57,952 KB |
testcase_17 | AC | 1,204 ms
217,584 KB |
testcase_18 | AC | 1,214 ms
218,264 KB |
testcase_19 | AC | 1,188 ms
218,260 KB |
testcase_20 | AC | 1,174 ms
217,592 KB |
testcase_21 | AC | 1,183 ms
218,248 KB |
testcase_22 | AC | 1,184 ms
217,580 KB |
testcase_23 | AC | 1,161 ms
217,592 KB |
testcase_24 | AC | 1,180 ms
217,588 KB |
testcase_25 | AC | 1,176 ms
217,720 KB |
testcase_26 | AC | 1,247 ms
223,728 KB |
testcase_27 | AC | 1,347 ms
105,352 KB |
testcase_28 | AC | 1,296 ms
104,088 KB |
testcase_29 | AC | 1,327 ms
105,424 KB |
testcase_30 | AC | 1,301 ms
105,536 KB |
testcase_31 | AC | 1,292 ms
104,560 KB |
testcase_32 | AC | 229 ms
50,944 KB |
testcase_33 | AC | 225 ms
50,816 KB |
testcase_34 | AC | 228 ms
50,688 KB |
testcase_35 | AC | 230 ms
50,944 KB |
testcase_36 | AC | 227 ms
50,816 KB |
testcase_37 | AC | 81 ms
23,040 KB |
testcase_38 | AC | 1,127 ms
218,684 KB |
testcase_39 | AC | 1,132 ms
218,420 KB |
testcase_40 | AC | 26 ms
18,304 KB |
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; //using nint=System.Int32; static class Program{ const int mod=(int)1e9+7; static void Main(){ Sc sc=new Sc(); var s=sc.Ia; var h=new int[s[0]][]; var hs1=new Dictionary<int,int>[s[0]]; var hs2=new Dictionary<int,int>[s[1]]; int m=0,p=0,c=0,d=0; for(int i = 0;i<s[1];i++) {hs2[i]=new Dictionary<int,int>();} for(int i = 0;i<s[0];i++) { hs1[i]=new Dictionary<int,int>(); h[i]=sc.Ia; for(int j = 0;j<s[1];j++) { if(h[i][j]==0){continue;} if(!hs1[i].ContainsKey(h[i][j])){hs1[i].Add(h[i][j],-1);} if(!hs2[j].ContainsKey(h[i][j])){hs2[j].Add(h[i][j],-1);} } m+=hs1[i].Count; } for(int i = 0;i<s[1];i++) {p+=hs2[i].Count;} var fl=new Mfp(m+p+2); for(int i = 0;i<m;i++) {fl.Edge(m+p,i,1);} for(int i = 0;i<p;i++) {fl.Edge(m+i,m+p+1,1);} d=m; for(int i = 0;i<s[0];i++) { for(int j = 0;j<s[1];j++) { if(h[i][j]==0){continue;} if(hs1[i][h[i][j]]==-1){hs1[i][h[i][j]]=c++;} if(hs2[j][h[i][j]]==-1){hs2[j][h[i][j]]=d++;} fl.Edge(hs1[i][h[i][j]],hs2[j][h[i][j]],1); } } Console.WriteLine("{0}",fl.Dinic(m+p,m+p+1)); } } 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){ 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 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 (T1,T2) Tp2<T1,T2>(){var s=Console.ReadLine().Split();return (Ct<T1>(s[0]),Ct<T2>(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 (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));} }