結果
問題 | No.8056 量子コンピュータで素因数分解 Easy |
ユーザー | 👑 hos.lyric |
提出日時 | 2020-02-07 22:04:05 |
言語 | D (dmd 2.106.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,727 bytes |
コンパイル時間 | 1,731 ms |
コンパイル使用メモリ | 177,956 KB |
実行使用メモリ | 25,568 KB |
平均クエリ数 | 2.08 |
最終ジャッジ日時 | 2024-06-22 04:57:10 |
合計ジャッジ時間 | 4,568 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(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 | 47 ms
25,196 KB |
testcase_01 | WA | - |
testcase_02 | AC | 115 ms
25,196 KB |
testcase_03 | AC | 115 ms
25,220 KB |
testcase_04 | AC | 48 ms
24,580 KB |
testcase_05 | AC | 49 ms
25,464 KB |
testcase_06 | WA | - |
testcase_07 | AC | 47 ms
24,580 KB |
testcase_08 | AC | 58 ms
24,580 KB |
testcase_09 | AC | 51 ms
25,220 KB |
testcase_10 | AC | 54 ms
24,836 KB |
testcase_11 | AC | 57 ms
25,220 KB |
testcase_12 | AC | 60 ms
24,580 KB |
testcase_13 | AC | 55 ms
24,580 KB |
testcase_14 | AC | 61 ms
24,836 KB |
testcase_15 | AC | 70 ms
24,836 KB |
testcase_16 | AC | 67 ms
25,216 KB |
testcase_17 | AC | 67 ms
24,580 KB |
testcase_18 | AC | 70 ms
25,220 KB |
testcase_19 | AC | 78 ms
25,460 KB |
testcase_20 | AC | 97 ms
25,204 KB |
testcase_21 | AC | 88 ms
25,220 KB |
testcase_22 | WA | - |
testcase_23 | AC | 81 ms
25,476 KB |
testcase_24 | AC | 75 ms
24,964 KB |
testcase_25 | AC | 45 ms
25,220 KB |
コンパイルメッセージ
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/std/numeric.d(3130): Warning: cannot inline function `std.numeric.gcdImpl!(BigInt).gcdImpl`
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, 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)); } uint xrand() { static uint x = 314159265, y = 358979323, z = 846264338, w = 327950288; uint t = x ^ x << 11; x = y; y = z; z = w; return w = w ^ w >> 19 ^ t ^ t >> 8; } BigInt power(BigInt a, BigInt e, BigInt m) { BigInt x = a % m, y = 1 % m; for (; e > 0; e >>= 1) { if (e & 1) y = (y * x) % m; x = (x * x) % m; } return y; } BigInt N; BigInt Ask(BigInt a) { debug { assert(0 < a); assert(a < N); assert(gcd(a, N) == 1); BigInt aa = 1; for (long r = 1; ; ++r) { aa = (aa * a) % N; if (aa == 1) { writefln("Ask %s = %s", a, r); stdout.flush; return BigInt(r); } } } else { writefln("? %s", a); stdout.flush; const res = BigInt(readToken()); return res; } } void Answer(BigInt p, BigInt q) { writefln("! %s %s", p, q); stdout.flush; debug { assert(p > 1); assert(q > 1); assert(p * q == N); } import core.stdc.stdlib; exit(0); } void main() { N = BigInt(readToken()); if (N % 2 == 0) { Answer(BigInt(2), N / 2); } for (; ; ) { BigInt a; for (; a < N; ) { a = a << 32 | xrand(); } a %= N; if (a == 0) { continue; } { const d = gcd(a, N); if (d != 1) { Answer(d, N / d); } } const r = Ask(a); if (r % 2 == 0) { const b = power(a, r / 2, N); if (b != 1) { foreach (c; [b + 1, b - 1]) { const d = gcd(c, N); if (d != 1) { Answer(d, N / d); } } } } } }