結果
問題 | No.575 n! / m / m / m... |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-01-29 08:41:00 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 12 ms / 2,000 ms |
コード長 | 2,130 bytes |
コンパイル時間 | 2,655 ms |
コンパイル使用メモリ | 161,536 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-13 03:49:34 |
合計ジャッジ時間 | 4,046 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 1 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 3 ms
5,376 KB |
testcase_13 | AC | 3 ms
5,376 KB |
testcase_14 | AC | 3 ms
5,376 KB |
testcase_15 | AC | 3 ms
5,376 KB |
testcase_16 | AC | 4 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 1 ms
5,376 KB |
testcase_21 | AC | 1 ms
5,376 KB |
testcase_22 | AC | 1 ms
5,376 KB |
testcase_23 | AC | 12 ms
5,376 KB |
testcase_24 | AC | 1 ms
5,376 KB |
testcase_25 | AC | 12 ms
5,376 KB |
コンパイルメッセージ
Main.d(59): Deprecation: function `std.math.exponential.log10` is deprecated - `std.math.exponential.log10` called with argument types `(long)` matches both `log10(real)`, `log10(double)`, and `log10(float)`. Cast argument to floating point type instead. Main.d(64): Deprecation: function `std.math.exponential.log10` is deprecated - `std.math.exponential.log10` called with argument types `(long)` matches both `log10(real)`, `log10(double)`, and `log10(float)`. Cast argument to floating point type instead.
ソースコード
import std.conv, std.functional, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.container, std.math, std.numeric, std.range, std.regex, std.typecons; import core.bitop; class EOFException : Throwable { this() { super("EOF"); } } string[] tokens; string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; } int readInt() { return readToken.to!int; } long readLong() { return readToken.to!long; } real readReal() { return readToken.to!real; } bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } } bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } } int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; } int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); } int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); } long N, M; long calc(long p) { long ret; long n = N; for (; (n /= p) > 0; ) { ret += n; } return ret; } void main() { try { for (; ; ) { N = readLong(); M = readLong(); long k = N; long m = M; for (long d = 2; d * d <= m; ++d) { if (m % d == 0) { long e; do { m /= d; ++e; } while (m % d == 0); chmin(k, calc(d) / e); } } if (m > 1) { chmin(k, calc(m) / 1); } debug { writeln("k = ", k); } real logAns = 0.0; if (N <= 10^^5) { foreach (i; 1 .. N + 1) { logAns += log10(i); } } else { logAns += log10(2.0L * PI * N) / 2.0L + log10(N / E) * N; } logAns -= log10(M) * k; debug { writeln("logAns = ", logAns); } writefln("%.10fe%.f", 10.0L^^(logAns - floor(logAns)), floor(logAns)); } } catch (EOFException e) { } }