結果
| 問題 | 
                            No.334 門松ゲーム
                             | 
                    
| コンテスト | |
| ユーザー | 
                             holeguma
                         | 
                    
| 提出日時 | 2016-01-19 21:47:16 | 
| 言語 | Java  (openjdk 23)  | 
                    
| 結果 | 
                             
                                AC
                                 
                             
                            
                         | 
                    
| 実行時間 | 164 ms / 2,000 ms | 
| コード長 | 3,601 bytes | 
| コンパイル時間 | 2,252 ms | 
| コンパイル使用メモリ | 81,912 KB | 
| 実行使用メモリ | 41,136 KB | 
| 最終ジャッジ日時 | 2024-09-21 14:27:05 | 
| 合計ジャッジ時間 | 4,695 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge3 / judge2 | 
(要ログイン)
| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 13 | 
ソースコード
import java.io.InputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.InputMismatchException;
import java.util.NoSuchElementException;
import java.math.BigInteger;
public class Main{
static PrintWriter out;
static InputReader ir;
static void solve(){
 int n=ir.nextInt();
 int[] k=ir.nextIntArray(n);
 long f=dfs((1<<n)-1,k);
 if(f==Long.MAX_VALUE) out.println(-1);
 else out.println((int)(f>>>32&0xffff)+" "+(int)(f>>>16&0xffff)+" "+(int)(f&0xffff));
}
static long[] dp=new long[1<<12];
public static long dfs(int m,int[] k){
 if(dp[m]!=0) return dp[m];
 int n=k.length;
 int[] sel=new int[3];
 long ret=Long.MAX_VALUE;
 if(Integer.bitCount(m)<3) return dp[m]=ret;
 for(int i=0;i<1<<n;i++){
  if(Integer.bitCount(i)==3&&(m&i)==i){
   int p=0;
   for(int j=0;j<n&&p<3;j++){
    if((i&(1<<j))!=0){
     sel[p++]=j;
    }
   }
   if(isKS(k[sel[0]],k[sel[1]],k[sel[2]])&&dfs(m&~i,k)==Long.MAX_VALUE){
    ret=Math.min(ret,(long)sel[0]<<32|sel[1]<<16|sel[2]);
   }
  }
 }
 return dp[m]=ret;
}
public static boolean isKS(int a,int b,int c){
 return (long)(a-b)*(b-c)<0?true:false;
}
public static void main(String[] args) throws Exception{
 ir=new InputReader(System.in);
 out=new PrintWriter(System.out);
 solve();
 out.flush();
}
static class InputReader {
 private InputStream in;
 private byte[] buffer=new byte[1024];
 private int curbuf;
 private int lenbuf;
 public InputReader(InputStream in) {this.in=in; this.curbuf=this.lenbuf=0;}
 
 public boolean hasNextByte() {
  if(curbuf>=lenbuf){
   curbuf= 0;
   try{
    lenbuf=in.read(buffer);
   }catch(IOException e) {
    throw new InputMismatchException();
   }
   if(lenbuf<=0) return false;
  }
  return true;
 }
 private int readByte(){if(hasNextByte()) return buffer[curbuf++]; else return -1;}
 
 private boolean isSpaceChar(int c){return !(c>=33&&c<=126);}
 
 private void skip(){while(hasNextByte()&&isSpaceChar(buffer[curbuf])) curbuf++;}
 
 public boolean hasNext(){skip(); return hasNextByte();}
 
 public String next(){
  if(!hasNext()) throw new NoSuchElementException();
  StringBuilder sb=new StringBuilder();
  int b=readByte();
  while(!isSpaceChar(b)){
   sb.appendCodePoint(b);
   b=readByte();
  }
  return sb.toString();
 }
 
 public int nextInt() {
  if(!hasNext()) throw new NoSuchElementException();
  int c=readByte();
  while (isSpaceChar(c)) c=readByte();
  boolean minus=false;
  if (c=='-') {
   minus=true;
   c=readByte();
  }
  int res=0;
  do{
   if(c<'0'||c>'9') throw new InputMismatchException();
   res=res*10+c-'0';
   c=readByte();
  }while(!isSpaceChar(c));
  return (minus)?-res:res;
 }
 
 public long nextLong() {
  if(!hasNext()) throw new NoSuchElementException();
  int c=readByte();
  while (isSpaceChar(c)) c=readByte();
  boolean minus=false;
  if (c=='-') {
   minus=true;
   c=readByte();
  }
  long res = 0;
  do{
   if(c<'0'||c>'9') throw new InputMismatchException();
   res=res*10+c-'0';
   c=readByte();
  }while(!isSpaceChar(c));
  return (minus)?-res:res;
 }
 public double nextDouble(){return Double.parseDouble(next());}
 public BigInteger nextBigInteger(){return new BigInteger(next());}
 public int[] nextIntArray(int n){
  int[] a=new int[n];
  for(int i=0;i<n;i++) a[i]=nextInt();
  return a;
 }
 public long[] nextLongArray(int n){
  long[] a=new long[n];
  for(int i=0;i<n;i++) a[i]=nextLong();
  return a;
 }
 public char[][] nextCharMap(int n,int m){
  char[][] map=new char[n][m];
  for(int i=0;i<n;i++) map[i]=next().toCharArray();
  return map;
 }
}
}
            
            
            
        
            
holeguma