結果

問題 No.527 ナップサック容量問題
ユーザー tookunn_1213tookunn_1213
提出日時 2017-06-10 00:04:39
言語 Java21
(openjdk 21)
結果
AC  
実行時間 117 ms / 2,000 ms
コード長 2,417 bytes
コンパイル時間 3,554 ms
コンパイル使用メモリ 77,792 KB
実行使用メモリ 54,868 KB
最終ジャッジ日時 2023-10-24 03:31:55
合計ジャッジ時間 6,700 ms
ジャッジサーバーID
(参考情報)
judge12 / judge11
このコードへのチャレンジ(β)

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 54 ms
53,420 KB
testcase_01 AC 55 ms
53,424 KB
testcase_02 AC 56 ms
53,416 KB
testcase_03 AC 55 ms
53,424 KB
testcase_04 AC 54 ms
53,424 KB
testcase_05 AC 82 ms
54,832 KB
testcase_06 AC 104 ms
54,580 KB
testcase_07 AC 96 ms
54,624 KB
testcase_08 AC 79 ms
54,620 KB
testcase_09 AC 55 ms
53,424 KB
testcase_10 AC 104 ms
54,624 KB
testcase_11 AC 96 ms
54,772 KB
testcase_12 AC 82 ms
54,628 KB
testcase_13 AC 105 ms
54,848 KB
testcase_14 AC 78 ms
54,604 KB
testcase_15 AC 83 ms
54,332 KB
testcase_16 AC 55 ms
53,420 KB
testcase_17 AC 82 ms
54,616 KB
testcase_18 AC 83 ms
54,868 KB
testcase_19 AC 55 ms
53,364 KB
testcase_20 AC 79 ms
54,612 KB
testcase_21 AC 115 ms
54,848 KB
testcase_22 AC 94 ms
54,624 KB
testcase_23 AC 113 ms
54,476 KB
testcase_24 AC 67 ms
53,992 KB
testcase_25 AC 92 ms
54,660 KB
testcase_26 AC 87 ms
54,620 KB
testcase_27 AC 89 ms
54,620 KB
testcase_28 AC 84 ms
54,628 KB
testcase_29 AC 117 ms
54,612 KB
testcase_30 AC 61 ms
50,380 KB
testcase_31 AC 82 ms
54,608 KB
testcase_32 AC 87 ms
54,580 KB
testcase_33 AC 81 ms
54,612 KB
testcase_34 AC 86 ms
54,612 KB
testcase_35 AC 85 ms
54,628 KB
testcase_36 AC 53 ms
53,424 KB
testcase_37 AC 79 ms
54,536 KB
testcase_38 AC 83 ms
54,604 KB
testcase_39 AC 83 ms
54,624 KB
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ソースコード

diff #

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.NoSuchElementException;

public class Main{

	int N,V;
	int[] v,w;

	public void solve() {
		N = nextInt();
		v = new int[N];
		w = new int[N];

		int vSum = 0;

		for(int i = 0;i < N;i++){
			v[i] = nextInt();
			w[i] = nextInt();
			vSum += v[i];
		}
		V = nextInt();

		int[] dp = new int[N * 1000 + 1];
		for(int i = 0;i < N;i++){
			for(int j = N * 1000;j >= 0;j--){
				if(j + w[i] <= N * 1000)dp[j+w[i]] = Math.max(dp[j+w[i]],dp[j]+v[i]);
			}
		}

		int lower = lowerBound(dp,V);
		int upper = upperBound(dp,V);
		out.println(lower);
		out.println(vSum <= V ? "inf" : upper);
	}

	 public int upperBound(int[] a,int b){
		 int low = 1;
		 int high = a.length;
		 while(high - low > 1){
			 int mid = high+low >> 1;

			if(a[mid] > b){
				high = mid;
			}else{
				low = mid;
			}
		}
		return low;
	}

	public int lowerBound(int[] a,int b){
		int low = 0;
		int high = a.length;

		while(high - low > 1){
			int mid = high+low >> 1;

			if(a[mid] >= b){
				high = mid;
			}else{
				low = mid;
			}
		}

		return high;
	}

	public static void main(String[] args) {
		out.flush();
		new Main().solve();
		out.close();
	}

	/* Input */
	private static final InputStream in = System.in;
	private static final PrintWriter out = new PrintWriter(System.out);
	private final byte[] buffer = new byte[2048];
	private int p = 0;
	private int buflen = 0;

	private boolean hasNextByte() {
		if (p < buflen)
			return true;
		p = 0;
		try {
			buflen = in.read(buffer);
		} catch (IOException e) {
			e.printStackTrace();
		}
		if (buflen <= 0)
			return false;
		return true;
	}

	public boolean hasNext() {
		while (hasNextByte() && !isPrint(buffer[p])) {
			p++;
		}
		return hasNextByte();
	}

	private boolean isPrint(int ch) {
		if (ch >= '!' && ch <= '~')
			return true;
		return false;
	}

	private int nextByte() {
		if (!hasNextByte())
			return -1;
		return buffer[p++];
	}

	public String next() {
		if (!hasNext())
			throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int b = -1;
		while (isPrint((b = nextByte()))) {
			sb.appendCodePoint(b);
		}
		return sb.toString();
	}

	public int nextInt() {
		return Integer.parseInt(next());
	}

	public long nextLong() {
		return Long.parseLong(next());
	}

	public double nextDouble() {
		return Double.parseDouble(next());
	}
}
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