結果
問題 | No.195 フィボナッチ数列の理解(2) |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-01-10 16:58:00 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 3,138 bytes |
コンパイル時間 | 943 ms |
コンパイル使用メモリ | 128,640 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-13 02:34:17 |
合計ジャッジ時間 | 1,929 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 1 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 | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 1 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 | 1 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
ソースコード
import std.conv, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.container, std.math, 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[0]; tokens.popFront; return token; } int readInt() { return readToken().to!int; } long readLong() { return readToken().to!long; } real readReal() { return readToken().to!real; } void chmin(T)(ref T t, in T f) { if (t > f) t = f; } void chmax(T)(ref T t, in T f) { if (t < f) t = f; } int binarySearch(T)(in T[] as, in bool delegate(T) test) { int low = -1, upp = cast(int)(as.length); for (; low + 1 < upp; ) { int mid = (low + upp) >> 1; (test(as[mid]) ? low : upp) = mid; } return upp; } int lowerBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a < val)); } int upperBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a <= val)); } immutable INF = 10^^9 + 10; long[] X; void main() { long[] P = [0, 1, 0]; long[] Q = [0, 0, 1]; for (; ; ) { const p = P[$ - 1] + P[$ - 2]; const q = Q[$ - 1] + Q[$ - 2]; if (p + q > INF) { break; } P ~= p; Q ~= q; } const len = cast(int)(P.length); debug { writefln("len = %s", len); writefln("P = %s", P); writefln("Q = %s", Q); } try { for (; ; ) { X = new long[3]; foreach (h; 0 .. 3) { X[h] = readLong(); } X = X.sort.uniq.array; auto ans = Tuple!(long, long)(INF, INF); if (X.length == 1) { // a = 1 ok if (X[0] == 1) { ans = tuple(1L, 1L); } else { foreach (i; 2 .. len) { /* P[i] + Q[i] b = X[0] */ if ((X[0] - P[i]) % Q[i] == 0) { auto b = (X[0] - P[i]) / Q[i]; if (b > 0) { chmin(ans, tuple!(long, long)(1L, b)); } } } } } else { foreach (i; 1 .. len) foreach (j; i + 1 .. len) { /* P[i] a + Q[i] b = X[0] P[j] a + Q[j] b = X[1] */ const dnm = P[i] * Q[j] - Q[i] * P[j]; const nmrA = X[0] * Q[j] - Q[i] * X[1]; const nmrB = P[i] * X[1] - X[0] * P[j]; assert(dnm != 0); if (nmrA % dnm == 0 && nmrB % dnm == 0) { const a = nmrA / dnm; const b = nmrB / dnm; if (a > 0 && b > 0) { bool ok = true; foreach (h; 2 .. X.length) { bool found; foreach (k; 1 .. len) { found = found || (P[k] * a + Q[k] * b == X[h]); } ok = ok && found; } if (ok) { chmin(ans, tuple!(long, long)(a, b)); } } } } } if (ans >= tuple(INF, INF)) { writeln(-1); } else { writeln(ans[0], " ", ans[1]); } } } catch (EOFException e) { } }