結果
問題 | No.534 フィボナッチフィボナッチ数 |
ユーザー |
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提出日時 | 2017-06-24 00:08:17 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 4,838 bytes |
コンパイル時間 | 2,375 ms |
コンパイル使用メモリ | 188,740 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-03 03:56:26 |
合計ジャッジ時間 | 3,205 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 42 |
ソースコード
#include<bits/stdc++.h>#define rep(i,a,b) for(int i=a;i<b;i++)#pragma GCC optimize ("-O3")using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }//---------------------------------------------------------------------------------------------------typedef long long ll;struct A {int mod = 1000000007;int add(int x, int y) { return (x += y) >= mod ? x - mod : x; }template<class... T> int add(int x, T... y) { return add(x, add(y...)); }int mul(int x, int y) { return 1LL * x * y % mod; }template<class... T> int mul(int x, T... y) { return mul(x, mul(y...)); }int sub(int x, int y) { return add(x, mod - y); }int modpow(int a, long long b) {int ret = 1; while (b > 0) {if (b & 1) ret = 1LL * ret * a % mod; a = 1LL * a * a % mod; b >>= 1;} return ret;}int modinv(int a) { return modpow(a, mod - 2); }typedef vector<int> Vec;typedef vector<Vec> Mat;Vec mulMatVec(Mat a, Vec b){int n = b.size(); Vec ret(n, 0);rep(i, 0, n) rep(j, 0, n) ret[i] = add(ret[i], mul(a[i][j], b[j]));return ret;}Mat mulMatMat(Mat a, Mat b){int n = a.size(); Mat ret(n, Vec(n, 0));rep(i, 0, n) rep(j, 0, n) rep(k, 0, n) ret[i][j] = add(ret[i][j], mul(a[i][k], b[k][j]));return ret;}Mat fastpow(Mat x, ll n){Mat ret(x.size(), Vec(x.size(), 0));rep(i, 0, x.size()) ret[i][i] = 1;while (0 < n) { if ((n % 2) == 0) { x = mulMatMat(x, x); n >>= 1; } else { ret = mulMatMat(ret, x); --n; } }return ret;}void printVec(Vec a) { cout << "[\t"; rep(i, 0, a.size()) cout << a[i] << "\t"; cout << "]" << endl; }void printMat(Mat a) { rep(i, 0, a.size()) printVec(a[i]); }ll query(ll N) {Mat m = Mat(2, Vec(2, 0));m[0][0] = 1;m[0][1] = 1;m[1][0] = 1;Vec v = Vec(2, 0);v[0] = 1;m = fastpow(m, N);v = mulMatVec(m, v);return v[1];}};struct B {ll mod = 2000000016LL;ll add(ll x, ll y) { return (x += y) >= mod ? x - mod : x; }template<class... T> ll add(ll x, T... y) { return add(x, add(y...)); }ll mul(ll x, ll y) {string yy = to_string(y);ll xx = x;ll res = 0, d = 1;for (char c : yy) {ll cc = c - '0';res *= 10;res %= mod;res += cc * x;res %= mod;}return res;}template<class... T> int mul(int x, T... y) { return mul(x, mul(y...)); }int sub(int x, int y) { return add(x, mod - y); }int modpow(int a, long long b) {int ret = 1; while (b > 0) {if (b & 1) ret = 1LL * ret * a % mod; a = 1LL * a * a % mod; b >>= 1;} return ret;}int modinv(int a) { return modpow(a, mod - 2); }typedef vector<ll> Vec;typedef vector<Vec> Mat;Vec mulMatVec(Mat a, Vec b){int n = b.size(); Vec ret(n, 0);rep(i, 0, n) rep(j, 0, n) ret[i] = add(ret[i], mul(a[i][j], b[j]));return ret;}Mat mulMatMat(Mat a, Mat b){int n = a.size(); Mat ret(n, Vec(n, 0));rep(i, 0, n) rep(j, 0, n) rep(k, 0, n) ret[i][j] = add(ret[i][j], mul(a[i][k], b[k][j]));return ret;}Mat fastpow(Mat x, ll n){Mat ret(x.size(), Vec(x.size(), 0));rep(i, 0, x.size()) ret[i][i] = 1;while (0 < n) { if ((n % 2) == 0) { x = mulMatMat(x, x); n >>= 1; } else { ret = mulMatMat(ret, x); --n; } }return ret;}void printVec(Vec a) { cout << "[\t"; rep(i, 0, a.size()) cout << a[i] << "\t"; cout << "]" << endl; }void printMat(Mat a) { rep(i, 0, a.size()) printVec(a[i]); }ll query(ll N) {Mat m = Mat(2, Vec(2, 0));m[0][0] = 1;m[0][1] = 1;m[1][0] = 1;Vec v = Vec(2, 0);v[0] = 1;m = fastpow(m, N);v = mulMatVec(m, v);return v[1];}};/*---------------------------------------------------------------------------------------------------∧_∧∧_∧ (´<_` ) Welcome to My Coding Space!( ´_ゝ`) / ⌒i/ \ | |/ / ̄ ̄ ̄ ̄/ |__(__ニつ/ _/ .| .|____\/____/ (u ⊃---------------------------------------------------------------------------------------------------*/ll N;//---------------------------------------------------------------------------------------------------void _main() {cin >> N;A a; B b;ll n = b.query(N);ll ans = a.query(n);cout << ans << endl;}