結果

問題 No.733 分身並列コーディング
ユーザー uwiuwi
提出日時 2018-09-07 21:54:02
言語 Java21
(openjdk 21)
結果
AC  
実行時間 361 ms / 1,500 ms
コード長 3,640 bytes
コンパイル時間 3,739 ms
コンパイル使用メモリ 87,728 KB
実行使用メモリ 39,128 KB
最終ジャッジ日時 2024-05-07 01:15:25
合計ジャッジ時間 13,136 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
(要ログイン)

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 50 ms
36,628 KB
testcase_01 AC 51 ms
36,628 KB
testcase_02 AC 51 ms
37,028 KB
testcase_03 AC 206 ms
38,948 KB
testcase_04 AC 208 ms
39,076 KB
testcase_05 AC 267 ms
38,676 KB
testcase_06 AC 51 ms
37,040 KB
testcase_07 AC 348 ms
39,076 KB
testcase_08 AC 351 ms
39,128 KB
testcase_09 AC 139 ms
38,740 KB
testcase_10 AC 80 ms
37,912 KB
testcase_11 AC 70 ms
37,836 KB
testcase_12 AC 48 ms
36,800 KB
testcase_13 AC 50 ms
36,644 KB
testcase_14 AC 87 ms
38,024 KB
testcase_15 AC 65 ms
37,256 KB
testcase_16 AC 50 ms
37,072 KB
testcase_17 AC 50 ms
37,004 KB
testcase_18 AC 80 ms
37,752 KB
testcase_19 AC 132 ms
38,744 KB
testcase_20 AC 139 ms
38,920 KB
testcase_21 AC 86 ms
38,400 KB
testcase_22 AC 208 ms
38,956 KB
testcase_23 AC 95 ms
38,204 KB
testcase_24 AC 90 ms
37,908 KB
testcase_25 AC 52 ms
36,924 KB
testcase_26 AC 52 ms
36,884 KB
testcase_27 AC 63 ms
37,180 KB
testcase_28 AC 361 ms
38,984 KB
testcase_29 AC 244 ms
38,688 KB
testcase_30 AC 242 ms
38,684 KB
testcase_31 AC 249 ms
39,072 KB
testcase_32 AC 84 ms
38,352 KB
testcase_33 AC 79 ms
38,192 KB
testcase_34 AC 77 ms
38,260 KB
testcase_35 AC 80 ms
38,024 KB
testcase_36 AC 79 ms
38,348 KB
testcase_37 AC 78 ms
38,040 KB
testcase_38 AC 273 ms
38,952 KB
testcase_39 AC 287 ms
38,980 KB
testcase_40 AC 271 ms
38,980 KB
testcase_41 AC 80 ms
37,860 KB
testcase_42 AC 80 ms
38,204 KB
testcase_43 AC 81 ms
37,920 KB
testcase_44 AC 271 ms
39,080 KB
testcase_45 AC 277 ms
38,840 KB
testcase_46 AC 275 ms
39,072 KB
testcase_47 AC 274 ms
39,024 KB
testcase_48 AC 269 ms
38,800 KB
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 #

package contest180907;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class E {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int T = ni();
		int n = ni();
		int[] a = na(n);
		
		int[] dp = new int[1<<n];
		Arrays.fill(dp, 999999);
		dp[0] = 0;
		boolean[] vs = new boolean[1<<n];
		for(int i = 0;i < 1<<n;i++) {
			int s = 0;
			for(int j = 0;j < n;j++) {
				if(i<<~j<0) {
					s += a[j];
				}
			}
			vs[i] = s <= T;
		}
		
		for(int i = 0;i < (1<<n)-1;i++) {
			int low = Integer.numberOfTrailingZeros(~i);
			int mask = (1<<n)-1^i^1<<low;
			
			for(int j = mask;j >= 0;j--){ j &= mask;
				if(vs[1<<low|j]) {
					int ni = i|1<<low|j;
					dp[ni] = Math.min(dp[ni], dp[i] + 1);
				}
			} // include j=0
		}
		out.println(dp[(1<<n)-1]);
	}
	
	
	
	void run() throws Exception
	{
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
//			@Override
//			public void run() {
//				long s = System.currentTimeMillis();
//				solve();
//				out.flush();
//				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//			}
//		};
//		t.start();
//		t.join();
	}
	
	public static void main(String[] args) throws Exception { new E().run(); }
	
	private byte[] inbuf = new byte[1024];
	public int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}
	
	private char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[][] nmi(int n, int m) {
		int[][] map = new int[n][];
		for(int i = 0;i < n;i++)map[i] = na(m);
		return map;
	}
	
	private int ni() { return (int)nl(); }
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}
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