結果
問題 | No.194 フィボナッチ数列の理解(1) |
ユーザー | sntea |
提出日時 | 2016-10-10 12:00:16 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 23 ms / 5,000 ms |
コード長 | 4,284 bytes |
コンパイル時間 | 2,606 ms |
コンパイル使用メモリ | 176,360 KB |
実行使用メモリ | 11,008 KB |
最終ジャッジ日時 | 2024-11-22 00:49:46 |
合計ジャッジ時間 | 3,550 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 19 ms
5,248 KB |
testcase_03 | AC | 3 ms
5,248 KB |
testcase_04 | AC | 8 ms
5,248 KB |
testcase_05 | AC | 6 ms
5,248 KB |
testcase_06 | AC | 8 ms
5,248 KB |
testcase_07 | AC | 12 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 9 ms
5,248 KB |
testcase_10 | AC | 5 ms
5,248 KB |
testcase_11 | AC | 4 ms
5,248 KB |
testcase_12 | AC | 7 ms
5,248 KB |
testcase_13 | AC | 3 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 14 ms
5,248 KB |
testcase_16 | AC | 12 ms
5,248 KB |
testcase_17 | AC | 4 ms
5,248 KB |
testcase_18 | AC | 13 ms
5,248 KB |
testcase_19 | AC | 18 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 23 ms
11,008 KB |
testcase_22 | AC | 1 ms
5,248 KB |
testcase_23 | AC | 3 ms
5,248 KB |
testcase_24 | AC | 11 ms
6,912 KB |
testcase_25 | AC | 10 ms
6,528 KB |
testcase_26 | AC | 10 ms
6,400 KB |
testcase_27 | AC | 12 ms
7,296 KB |
testcase_28 | AC | 4 ms
5,248 KB |
testcase_29 | AC | 19 ms
10,240 KB |
testcase_30 | AC | 18 ms
5,248 KB |
testcase_31 | AC | 2 ms
5,248 KB |
testcase_32 | AC | 6 ms
5,248 KB |
testcase_33 | AC | 8 ms
5,248 KB |
testcase_34 | AC | 7 ms
5,248 KB |
testcase_35 | AC | 6 ms
5,248 KB |
testcase_36 | AC | 14 ms
5,248 KB |
testcase_37 | AC | 3 ms
5,248 KB |
testcase_38 | AC | 15 ms
5,248 KB |
testcase_39 | AC | 7 ms
5,248 KB |
ソースコード
#ifdef LOCAL111 #else #define NDEBUG #endif #include <bits/stdc++.h> const int INF = 1e9; using namespace std; template<typename T, typename U> ostream& operator<< (ostream& os, const pair<T,U>& p) { cout << '(' << p.first << ' ' << p.second << ')'; return os; } #define endl '\n' #define ALL(a) (a).begin(),(a).end() #define SZ(a) int((a).size()) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) for (int i=(n)-1;i>=0;i--) #define RBP(i,a) for(auto& i : a) #ifdef LOCAL111 #define DEBUG(x) cout<<#x<<": "<<(x)<<endl template<typename T> void dpite(T a, T b){ for(T ite = a; ite != b; ite++) cout << (ite == a ? "" : " ") << *ite; cout << endl;} #else #define DEBUG(x) true template<typename T> void dpite(T a, T b){ return; } #endif #define F first #define S second #define SNP string::npos #define WRC(hoge) cout << "Case #" << (hoge)+1 << ": " #define rangej(a,b,c) ((a) <= (c) and (c) < (b)) #define rrangej(b,c) rangej(0,b,c) template<typename T> void pite(T a, T b){ for(T ite = a; ite != b; ite++) cout << (ite == a ? "" : " ") << *ite; cout << endl;} template<typename T> bool chmax(T& a, T b){if(a < b){a = b; return true;} return false;} template<typename T> bool chmin(T& a, T b){if(a > b){a = b; return true;} return false;} typedef long long int LL; typedef unsigned long long ULL; typedef pair<int,int> P; typedef pair<LL,LL> LP; void ios_init(){ //cout.setf(ios::fixed); //cout.precision(12); #ifdef LOCAL111 return; #endif ios::sync_with_stdio(false); cin.tie(0); } const LL mod = 1e9+7; //library template<typename T> class Matrix { public: vector<vector<T> > v; Matrix(int n){ v.resize(n,vector<T>(n,0)); } Matrix operator+ (Matrix x){ Matrix res(v.size()); for(int i = 0; i < (int)v.size(); i++){ for(int j = 0; j < (int)v.size(); j++){ res.v[i][j] = (x.v[i][j]+v[i][j])%mod; } } return res; } Matrix operator-(Matrix x){ Matrix res(v.size()); for(int i = 0; i < (int)v.size(); i++){ for(int j = 0; j < (int)v.size(); j++){ res.v[i][j] = (v[i][j]-x.v[i][j])%mod; } } } Matrix operator*(Matrix x){ Matrix res(v.size()); for(int i = 0;i < (int)v.size(); i++){ for(int j = 0; j < (int)v.size(); j++){ for(int k = 0; k < (int)v.size(); k++){ res.v[i][j] += v[i][k]*x.v[k][j]%mod; res.v[i][j] %= mod; } } } return res; } vector<T> operator*(vector<T> x){ assert(x.size() == v.size()); vector<T> res(v.size()); for(int i = 0; i < (int)v.size(); i++){ T tmp = 0; for(int j = 0; j < (int)v.size(); j++){ tmp += v[i][j]*x[j]%mod; tmp %= mod; } res[i] = tmp; } return res; } vector<T>& operator[](int x){ return v[x]; } }; template<typename T> Matrix<T> pow(Matrix<T> x,long long n){ Matrix<T> tmp = x, res(SZ(x.v)); for(int i = 0; i < SZ(x.v); i++) res.v[i][i] = 1; while(n != 0){ if(n&1){ res = res*tmp; } tmp = tmp*tmp; n >>= 1; } return res; } //libary int main() { ios_init(); int n; LL k; while(cin >> n >> k) { DEBUG(n); vector<LL> a(n); REP(i,n) cin >> a[i]; function<void()> solvemat = [&](){ Matrix<LL> A(n); REP(i,n) A[0][i] = 1; REP(i,n-1) A[i+1][i] = 1; Matrix<LL> B(n+1); B[0][0] = B[0][1] = 1; REP(i,n) B[1][i+1] = 1; REP(i,n-1) B[i+2][i+1] = 1; REP(i,n+1) dpite(ALL(B[i])); if(k <= n){ k--; cout << a[k] << ' ' << accumulate(a.begin(),a.begin()+k,0LL) << endl; }else{ A = pow(A,k-n); vector<LL> b = a; b.push_back(accumulate(a.begin(),--a.end(),0LL)); reverse(ALL(a)); auto ans = A*a; // reverse(ALL(a)); reverse(ALL(b)); dpite(ALL(b)); B = pow(B,k-n+1); auto ans2 = B*b; dpite(ALL(ans2)); cout << ans[0] << ' ' << ans2[0] << endl; } }; function<void()> solvedp = [&](){ if(k <= n){ cout << a[k-1] << endl; }else{ vector<LL> dp(k,0); LL sum = 0; REP(i,SZ(a)){ sum = (sum+a[i])%mod; dp[i]= a[i]; } FOR(i,n,k){ dp[i] = sum; sum = ((sum-dp[i-n]+mod)%mod+dp[i])%mod; } LL ans = 0; REP(i,k){ ans = (ans+dp[i])%mod; } cout << dp[k-1] << ' ' << ans << endl; } }; if(n <= 31){ solvemat(); }else{ solvedp(); } } return 0; }