結果
問題 | No.1532 Different Products |
ユーザー | 37zigen |
提出日時 | 2021-06-04 22:53:23 |
言語 | Java21 (openjdk 21) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,159 bytes |
コンパイル時間 | 2,395 ms |
コンパイル使用メモリ | 79,040 KB |
実行使用メモリ | 413,292 KB |
最終ジャッジ日時 | 2024-04-30 11:19:28 |
合計ジャッジ時間 | 56,915 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 482 ms
410,980 KB |
testcase_01 | AC | 734 ms
411,032 KB |
testcase_02 | AC | 511 ms
410,756 KB |
testcase_03 | AC | 480 ms
410,972 KB |
testcase_04 | AC | 486 ms
411,044 KB |
testcase_05 | AC | 478 ms
410,932 KB |
testcase_06 | AC | 483 ms
410,888 KB |
testcase_07 | AC | 510 ms
410,764 KB |
testcase_08 | AC | 614 ms
410,984 KB |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | AC | 530 ms
410,936 KB |
testcase_16 | AC | 721 ms
410,932 KB |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | AC | 791 ms
411,008 KB |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | AC | 652 ms
411,024 KB |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | AC | 735 ms
410,932 KB |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | AC | 681 ms
410,852 KB |
testcase_38 | RE | - |
testcase_39 | RE | - |
testcase_40 | RE | - |
testcase_41 | RE | - |
testcase_42 | RE | - |
testcase_43 | RE | - |
testcase_44 | RE | - |
testcase_45 | RE | - |
testcase_46 | RE | - |
testcase_47 | RE | - |
testcase_48 | RE | - |
testcase_49 | RE | - |
testcase_50 | RE | - |
testcase_51 | RE | - |
testcase_52 | RE | - |
testcase_53 | RE | - |
testcase_54 | RE | - |
testcase_55 | RE | - |
testcase_56 | RE | - |
testcase_57 | RE | - |
testcase_58 | RE | - |
testcase_59 | RE | - |
testcase_60 | RE | - |
testcase_61 | AC | 479 ms
411,016 KB |
testcase_62 | AC | 477 ms
410,888 KB |
testcase_63 | RE | - |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.NoSuchElementException; public class Main { public static void main(String[] args) { new Main().run(); } long dfs(long[][] dp, int num, int v, long prd, long K) { long ret=0; if (num>=3) return dp[v][(int)(K/prd)]; for (int i=v;i>20;--i) { ret+=dfs(dp, num+1, i-1, prd*i, K); } return ret; } void run() { FastScanner sc = new FastScanner(); int N=sc.nextInt(); long K=sc.nextLong(); long ans=0; long[][] dp=new long[201][(int)1.1e5]; { dp[0][1]=1; for (int i=1;i<=200;++i) { dp[i]=Arrays.copyOf(dp[i-1], dp[i-1].length); for (int j=1;j<dp[i-1].length;++j) { if (j*i<dp[i].length) dp[i][j*i]+=dp[i-1][j]; } } for (int i=0;i<=200;++i) { for (int j=1;j<dp[i].length;++j) { dp[i][j]+=dp[i][j-1]; } } } int max=Math.min(N, 20); for (int s=0;s<1<<max;++s) { long prd=1; for (int i=0;i<max;++i) { if ((s>>i)%2==1) { prd*=i+1; } } if (prd<=K) ++ans; ans += Math.max(0, Math.min(N, K/prd)-20); long n=N; for (int m=21;m<=N;++m) { n=Math.min(N, K/m/prd); if (m>=n) break; ans += n-m; } } ans+=dfs(dp, 0, N, 1, K); System.out.println(ans-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; } 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()); } }