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