結果
問題 | No.526 フィボナッチ数列の第N項をMで割った余りを求める |
ユーザー | FUN_Morikubo |
提出日時 | 2022-11-09 16:15:06 |
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 | 3,554 bytes |
コンパイル時間 | 4,115 ms |
コンパイル使用メモリ | 238,148 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-22 22:13:05 |
合計ジャッジ時間 | 4,845 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 | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
ソースコード
#if 1 #include <bits/stdc++.h> #include <atcoder/all> using namespace atcoder; typedef modint998244353 mint93; typedef modint1000000007 mint17; typedef modint mint; using namespace std; using uint = unsigned int; using ll = long long; using ull = unsigned long long; using ld = long double; using pll = pair<ll, ll>; #define vec vector template <class T> using v = vector<T>; template <class T> using vv = v<v<T>>; template <class T> using vvv = v<vv<T>>; using vl = v<ll>; using vvl = vv<ll>; using vvvl = vvv<ll>; constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n - 1); } #define FOR(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++) #define rep(i, N) for (ll i = 0; i < (ll)(N); i++) #define rep1(i, N) for (ll i = 1; i <= (ll)(N); i++) #define fore(i, a) for (auto &i : a) #define fs first #define sc second #define eb emplace_back #define pb push_back #define all(x) (x).begin(), (x).end() #define YES(x) cout << ((x) ? "YES" : "NO") << endl; #define Yes(x) cout << ((x) ? "Yes" : "No") << endl; #define yes(x) cout << ((x) ? "yes" : "no") << endl; #define drop(x) \ { \ cout << (x) << endl; \ return; \ } template <class T, class U> void chmin(T &t, const U &u) { if (t > u) t = u; } template <class T, class U> void chmax(T &t, const U &u) { if (t < u) t = u; } #define inf (1 << 29) #define infl (1LL << 60) int popcnt(uint x) { return __builtin_popcount(x); } int popcnt(ull x) { return __builtin_popcountll(x); } int bsr(uint x) { return 31 - __builtin_clz(x); } int bsr(ull x) { return 31 - __builtin_clzll(x); } int bsf(uint x) { return __builtin_ctz(x); } int bsf(ull x) { return __builtin_ctzll(x); } template <typename T> istream &operator>>(istream &is, vector<T> &x) { for (auto &y : x) { is >> y; } return is; } template <typename T> ostream &operator<<(ostream &os, vector<T> &x) { for (size_t e = 0; e < x.size(); e++) { os << x[e] << (e == x.size() - 1 ? "" : " "); } return os; } template <class T, class S> istream &operator>>(istream &is, pair<T, S> &x) { is >> x.first >> x.second; return is; } template <class T, class S> ostream &operator<<(ostream &os, pair<T, S> &x) { os << x.first << " " << x.second; return os; } struct StopWatch { bool f = false; clock_t st; void start() { f = true; st = clock(); } int msecs() { assert(f); return (clock() - st) * 1000 / CLOCKS_PER_SEC; } }; ll rand_int(ll l, ll r) { // [l, r] static random_device rd; static mt19937 gen(rd()); return uniform_int_distribution<ll>(l, r)(gen); } #endif ll MOD = 1; vvl mul_matrix(vvl a, vvl b) { ll n = a.size(), m = b.size(), l = b[0].size(); vvl res(n, vl(l, 0)); rep(i, n) { rep(j, l) { rep(k, m) { res[i][j] += a[i][k] * b[k][j]; res[i][j] %= MOD; } } } return res; } void solve() { ll n, m; cin >> n >> m; n--; MOD = m; vvvl dp(31, vvl(2, vl(2))); dp[0][1][1] = 1; dp[0][0][1] = 1; dp[0][1][0] = 1; rep(i, 30) { dp[i + 1] = mul_matrix(dp[i], dp[i]); } /* rep(i, 31){ cout << i << ": " << dp[i] << endl; } */ vvl fibb = {{0}, {1}}; ll cur = 0; while (n) { if (n & (1ll << cur)) { fibb = mul_matrix(dp[cur], fibb); // cout << cur << ": " << fibb << endl; n ^= 1ll << cur; } cur++; } cout << fibb[0][0] << endl; } int main() { // cin.tie(nullptr); // ios::sync_with_stdio(false); // cout << fixed << setprecision(20); ll t = 1; // cin >> t; while (t--) solve(); }