結果

問題 No.115 遠足のおやつ
ユーザー threepipes_sthreepipes_s
提出日時 2016-01-03 18:40:06
言語 Java
(openjdk 23)
結果
AC  
実行時間 122 ms / 5,000 ms
コード長 3,183 bytes
コンパイル時間 3,337 ms
コンパイル使用メモリ 89,972 KB
実行使用メモリ 45,052 KB
最終ジャッジ日時 2025-01-03 01:09:46
合計ジャッジ時間 7,390 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
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ファイルパターン 結果
sample AC * 3
other AC * 40
権限があれば一括ダウンロードができます

ソースコード

diff # 

import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.BitSet;
import java.util.HashMap;

public class Main {
	public static void main(String[] args) throws NumberFormatException,
	IOException {Solve solve = new Solve();solve.solve();}
}
class Solve{
	void dump(int[]a){for(int i=0;i<a.length;i++)System.out.print(a[i]+" ");System.out.println();};
	void solve() throws NumberFormatException, IOException{
		final ContestScanner in = new ContestScanner();
		Writer out = new Writer();
		int n = in.nextInt();
		int d = in.nextInt();
		int k = in.nextInt();
		if(k>n){
			System.out.println(-1);
			return;
		}
		BitSet[][] dp = new BitSet[k+1][d+1];
		dp[0][0] = new BitSet(n);
		for(int i=n-1; i>=0; i--){
			final int v = i+1;
			for(int j=k-1; j>=0; j--){
				for(int l=0; l<=d-v; l++){
					if(dp[j][l]==null) continue;
					dp[j+1][l+v] = (BitSet) dp[j][l].clone();
					dp[j+1][l+v].set(v);
				}
			}
		}
		if(dp[k][d]==null) System.out.println(-1);
		else{
			StringBuilder sb = new StringBuilder();
			BitSet bs = dp[k][d];
			for(int i=bs.nextSetBit(0); i!=-1; i=bs.nextSetBit(i+1)){
				sb.append(i+" ");
			}
			System.out.println(sb.toString().trim());
		}
	}
}

class MultiSet<T> extends HashMap<T, Integer>{
	@Override
	public Integer get(Object key){return containsKey(key)?super.get(key):0;}
	public void add(T key,int v){put(key,get(key)+v);}
	public void add(T key){put(key,get(key)+1);}
	public void sub(T key)
	{final int v=get(key);if(v==1)remove(key);else put(key,v-1);}
}
class Timer{
	long time;
	public void set(){time=System.currentTimeMillis();}
	public long stop(){return time=System.currentTimeMillis()-time;}
	public void print()
	{System.out.println("Time: "+(System.currentTimeMillis()-time)+"ms");}
	@Override public String toString(){return"Time: "+time+"ms";}
}
class Writer extends PrintWriter{
	public Writer(String filename)throws IOException
	{super(new BufferedWriter(new FileWriter(filename)));}
	public Writer()throws IOException{super(System.out);}
}
class ContestScanner {
	private InputStreamReader in;private int c=-2;
	public ContestScanner()throws IOException 
	{in=new InputStreamReader(System.in);}
	public ContestScanner(String filename)throws IOException
	{in=new InputStreamReader(new FileInputStream(filename));}
	public String nextToken()throws IOException {
		StringBuilder sb=new StringBuilder();
		while((c=in.read())!=-1&&Character.isWhitespace(c));
		while(c!=-1&&!Character.isWhitespace(c)){sb.append((char)c);c=in.read();}
		return sb.toString();
	}
	public String readLine()throws IOException{
		StringBuilder sb=new StringBuilder();if(c==-2)c=in.read();
		while(c!=-1&&c!='\n'&&c!='\r'){sb.append((char)c);c=in.read();}
		return sb.toString();
	}
	public long nextLong()throws IOException,NumberFormatException
	{return Long.parseLong(nextToken());}
	public int nextInt()throws NumberFormatException,IOException
	{return(int)nextLong();}
	public double nextDouble()throws NumberFormatException,IOException 
	{return Double.parseDouble(nextToken());}
}
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