結果
問題 | No.534 フィボナッチフィボナッチ数 |
ユーザー | anta |
提出日時 | 2017-06-23 22:38:25 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 2,928 bytes |
コンパイル時間 | 1,637 ms |
コンパイル使用メモリ | 168,152 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-02 14:52:50 |
合計ジャッジ時間 | 2,838 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 0 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 1 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 1 ms
5,248 KB |
testcase_08 | AC | 1 ms
5,248 KB |
testcase_09 | AC | 0 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 1 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 1 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 1 ms
5,248 KB |
testcase_17 | AC | 1 ms
5,248 KB |
testcase_18 | AC | 1 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 1 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 2 ms
5,248 KB |
testcase_29 | AC | 2 ms
5,248 KB |
testcase_30 | AC | 2 ms
5,248 KB |
testcase_31 | AC | 2 ms
5,248 KB |
testcase_32 | AC | 2 ms
5,248 KB |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | AC | 1 ms
5,248 KB |
testcase_35 | AC | 1 ms
5,248 KB |
testcase_36 | AC | 2 ms
5,248 KB |
testcase_37 | AC | 2 ms
5,248 KB |
testcase_38 | AC | 2 ms
5,248 KB |
testcase_39 | AC | 1 ms
5,248 KB |
testcase_40 | AC | 2 ms
5,248 KB |
testcase_41 | AC | 2 ms
5,248 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i)) #define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i)) static const int INF = 0x3f3f3f3f; static const long long INFL = 0x3f3f3f3f3f3f3f3fLL; typedef vector<int> vi; typedef pair<int, int> pii; typedef vector<pair<int, int> > vpii; typedef long long ll; template<typename T, typename U> static void amin(T &x, U y) { if (y < x) x = y; } template<typename T, typename U> static void amax(T &x, U y) { if (x < y) x = y; } template<int MOD> struct ModInt { static const int Mod = MOD; unsigned x; ModInt() : x(0) { } ModInt(signed sig) { int sigt = sig % MOD; if (sigt < 0) sigt += MOD; x = sigt; } ModInt(signed long long sig) { int sigt = sig % MOD; if (sigt < 0) sigt += MOD; x = sigt; } int get() const { return (int)x; } ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; } ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; } ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } }; typedef ModInt<1000000007> mint; unsigned long long modmult(unsigned long long x, unsigned long long y, unsigned long long MOD) { x %= MOD, y %= MOD; unsigned long long a = x, r = 0; while (y) { if (y & 1) if ((r += a) >= MOD) r -= MOD; if ((a += a) >= MOD) a -= MOD; y >>= 1; } return r; } unsigned long long fibonacci(long long n, unsigned long long Mod) { unsigned long long m2 = 1, m1 = 1, m0 = 0; unsigned long long x2 = 1, x1 = 0, x0 = 1; while (n > 0) { if (n & 1) { auto a2 = (modmult(x2, m2, Mod) + modmult(x1, m1, Mod)) % Mod; auto a1 = (modmult(x2, m1, Mod) + modmult(x1, m0, Mod)) % Mod; auto a0 = (modmult(x1, m1, Mod) + modmult(x0, m0, Mod)) % Mod; x2 = a2, x1 = a1, x0 = a0; } n >>= 1; if (n > 0) { auto a2 = (modmult(m2, m2, Mod) + modmult(m1, m1, Mod)) % Mod; auto a1 = (modmult(m2, m1, Mod) + modmult(m1, m0, Mod)) % Mod; auto a0 = (modmult(m1, m1, Mod) + modmult(m0, m0, Mod)) % Mod; m2 = a2, m1 = a1, m0 = a0; } } return x1 % Mod; } void fib(long long n, mint &a, mint &b) { if (n == -1) { a = 1, b = 0; return; } else if (n <= 2) { assert(n >= 0); a = (n + 1) / 2, b = (n + 2) / 2; return; } fib(n / 2 - 1, a, b); a *= a, b *= b; mint c = b + a, d = b * 4 - a + (n / 2 % 2 ? -2 : 2); if (n % 2) a = d, b = d + d - c; else a = d - c, b = d; } int main() { long long X; while (~scanf("%lld", &X)) { ll n = fibonacci(X, (ll)mint::Mod * mint::Mod - 1); mint a, b; fib(n, a, b); mint ans = a; printf("%d\n", ans.get()); } return 0; }