結果
問題 | No.527 ナップサック容量問題 |
ユーザー | 37zigen |
提出日時 | 2020-03-23 05:50:56 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 106 ms / 2,000 ms |
コード長 | 3,325 bytes |
コンパイル時間 | 2,685 ms |
コンパイル使用メモリ | 74,392 KB |
実行使用メモリ | 52,680 KB |
最終ジャッジ日時 | 2023-08-27 01:22:30 |
合計ジャッジ時間 | 7,769 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge13 |
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 | 75 ms
51,592 KB |
testcase_01 | AC | 75 ms
51,720 KB |
testcase_02 | AC | 60 ms
51,644 KB |
testcase_03 | AC | 70 ms
51,692 KB |
testcase_04 | AC | 57 ms
51,296 KB |
testcase_05 | AC | 87 ms
52,312 KB |
testcase_06 | AC | 101 ms
52,360 KB |
testcase_07 | AC | 92 ms
52,308 KB |
testcase_08 | AC | 85 ms
52,204 KB |
testcase_09 | AC | 58 ms
50,168 KB |
testcase_10 | AC | 97 ms
50,388 KB |
testcase_11 | AC | 94 ms
52,268 KB |
testcase_12 | AC | 93 ms
52,600 KB |
testcase_13 | AC | 105 ms
52,448 KB |
testcase_14 | AC | 89 ms
52,436 KB |
testcase_15 | AC | 90 ms
52,104 KB |
testcase_16 | AC | 64 ms
51,720 KB |
testcase_17 | AC | 93 ms
50,464 KB |
testcase_18 | AC | 88 ms
52,260 KB |
testcase_19 | AC | 77 ms
52,016 KB |
testcase_20 | AC | 81 ms
52,208 KB |
testcase_21 | AC | 103 ms
52,244 KB |
testcase_22 | AC | 96 ms
52,104 KB |
testcase_23 | AC | 101 ms
52,304 KB |
testcase_24 | AC | 77 ms
52,060 KB |
testcase_25 | AC | 95 ms
52,324 KB |
testcase_26 | AC | 96 ms
52,368 KB |
testcase_27 | AC | 94 ms
52,652 KB |
testcase_28 | AC | 87 ms
52,200 KB |
testcase_29 | AC | 106 ms
52,180 KB |
testcase_30 | AC | 78 ms
52,148 KB |
testcase_31 | AC | 85 ms
52,072 KB |
testcase_32 | AC | 97 ms
52,168 KB |
testcase_33 | AC | 90 ms
52,428 KB |
testcase_34 | AC | 87 ms
52,680 KB |
testcase_35 | AC | 88 ms
52,200 KB |
testcase_36 | AC | 65 ms
51,652 KB |
testcase_37 | AC | 85 ms
52,196 KB |
testcase_38 | AC | 94 ms
52,408 KB |
testcase_39 | AC | 85 ms
52,228 KB |
ソースコード
import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.NoSuchElementException; public class Main { public static void main(String[] args) throws FileNotFoundException { long t = System.currentTimeMillis(); new Main().run(); System.err.println(System.currentTimeMillis() - t); } void run() { FastScanner sc = new FastScanner(); int N=sc.nextInt(); int[] v=new int[N]; int[] w=new int[N]; for(int i=0;i<N;++i) { v[i]=sc.nextInt(); w[i]=sc.nextInt(); } int targetValue=sc.nextInt(); final int INF=Integer.MAX_VALUE/3; int[] dp=new int[100010]; Arrays.fill(dp, -INF); dp[0]=0; for(int i=0;i<N;++i) { for(int volume=dp.length-1;volume>=0;--volume) { int nvolume=volume+w[i]; if(nvolume>=dp.length)continue; dp[nvolume]=Math.max(dp[nvolume], dp[volume]+v[i]); } } for(int i=1;i<dp.length;++i)dp[i]=Math.max(dp[i-1], dp[i]); int s=1,t=dp.length; while(dp[s]!=targetValue)++s; while(dp[t-1]!=targetValue)--t; System.out.println(s); System.out.println(t==dp.length?"inf":(t-1)); } static void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } } class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return minus ? -n : n; }else{ throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { return (int)nextLong(); } }