結果
問題 | No.1715 Dinner 2 |
ユーザー | 37zigen |
提出日時 | 2021-10-23 01:27:33 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,373 bytes |
コンパイル時間 | 2,339 ms |
コンパイル使用メモリ | 80,384 KB |
実行使用メモリ | 60,796 KB |
最終ジャッジ日時 | 2023-10-24 17:52:43 |
合計ジャッジ時間 | 12,019 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge13 |
(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 | 62 ms
54,600 KB |
testcase_01 | AC | 61 ms
54,028 KB |
testcase_02 | AC | 61 ms
54,032 KB |
testcase_03 | AC | 60 ms
54,028 KB |
testcase_04 | AC | 60 ms
54,044 KB |
testcase_05 | WA | - |
testcase_06 | AC | 63 ms
54,036 KB |
testcase_07 | WA | - |
testcase_08 | AC | 63 ms
54,036 KB |
testcase_09 | AC | 65 ms
54,032 KB |
testcase_10 | AC | 65 ms
54,048 KB |
testcase_11 | AC | 426 ms
60,764 KB |
testcase_12 | AC | 396 ms
60,644 KB |
testcase_13 | AC | 373 ms
60,696 KB |
testcase_14 | AC | 384 ms
60,548 KB |
testcase_15 | AC | 388 ms
60,500 KB |
testcase_16 | AC | 379 ms
60,616 KB |
testcase_17 | AC | 347 ms
60,336 KB |
testcase_18 | AC | 90 ms
55,672 KB |
testcase_19 | AC | 98 ms
58,072 KB |
testcase_20 | AC | 73 ms
55,136 KB |
testcase_21 | AC | 70 ms
54,868 KB |
testcase_22 | AC | 88 ms
55,832 KB |
testcase_23 | AC | 95 ms
57,864 KB |
testcase_24 | AC | 90 ms
55,776 KB |
testcase_25 | AC | 193 ms
60,272 KB |
testcase_26 | AC | 175 ms
59,948 KB |
testcase_27 | AC | 168 ms
60,172 KB |
testcase_28 | AC | 191 ms
60,608 KB |
testcase_29 | AC | 187 ms
60,092 KB |
testcase_30 | AC | 175 ms
59,988 KB |
testcase_31 | AC | 195 ms
59,972 KB |
testcase_32 | AC | 491 ms
60,588 KB |
testcase_33 | AC | 486 ms
60,796 KB |
testcase_34 | AC | 441 ms
60,524 KB |
testcase_35 | AC | 495 ms
60,592 KB |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.NoSuchElementException; class Main implements Runnable { public static void main(String[] args) { new Main().run(); } public void run() { FastScanner sc = new FastScanner(); PrintWriter pw=new PrintWriter(System.out); int N=sc.nextInt(); int D=sc.nextInt(); int[] P=new int[N]; int[] Q=new int[N]; for (int i=0;i<N;++i) { P[i]=sc.nextInt(); Q[i]=sc.nextInt(); } long ok=-(long)1e8; long ng=1; long INF=Long.MAX_VALUE/3; while (ng-ok>1) { long m=(ok+ng)/2; long[] dp=new long[N]; for (int d=0;d<D;++d) { long[] ndp=new long[N]; Arrays.fill(ndp, -INF); int imax=0; for (int i=0;i<N;++i) if (dp[imax]<dp[i]) imax=i; for (int i=0;i<N;++i) { if (i!=imax&&dp[imax]-P[i]>=m) { ndp[i]=dp[imax]-P[i]+Q[i]; } } for (int i=0;i<N;++i) { if (i!=imax&&dp[i]-P[imax]>=m) { ndp[imax]=Math.max(ndp[imax], dp[i]-P[imax]+Q[i]); } } dp=ndp; } if (Arrays.stream(dp).max().getAsLong()>=m) { ok=m; } else { ng=m; } } pw.println(ok); pw.close(); } 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;} public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; 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() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next());} }