結果
問題 | No.891 隣接3項間の漸化式 |
ユーザー | sak |
提出日時 | 2020-08-03 22:25:57 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 2,719 bytes |
コンパイル時間 | 2,521 ms |
コンパイル使用メモリ | 216,824 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-13 17:36:01 |
合計ジャッジ時間 | 3,537 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
6,816 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
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 3 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,948 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 2 ms
6,940 KB |
testcase_32 | AC | 1 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,940 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | AC | 2 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,944 KB |
testcase_37 | AC | 2 ms
6,940 KB |
testcase_38 | AC | 2 ms
6,940 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | AC | 2 ms
6,940 KB |
testcase_41 | AC | 2 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> p_ll; template<class T> void debug(T itr1, T itr2) { auto now = itr1; while(now<itr2) { cout << *now << " "; now++; } cout << endl; } #define repr(i,from,to) for (ll i=(ll)from; i<(ll)to; i++) #define all(vec) vec.begin(), vec.end() #define rep(i,N) repr(i,0,N) #define per(i,N) for (int i=(int)N-1; i>=0; i--) const ll MOD = pow(10,9)+7; const ll LLINF = pow(2,61)-1; const int INF = pow(2,30)-1; vector<ll> fac; void c_fac(int x=pow(10,6)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; } ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { int d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; } ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; } ll gcd(ll a, ll b) { if (a<b) swap(a,b); return b==0 ? a : gcd(b, a%b); } ll lcm(ll a, ll b) { return a/gcd(a,b)*b; } // ---------------------------------------------------------------------- // ---------------------------------------------------------------------- vector<vector<ll>> matsum(vector<vector<ll>> A, vector<vector<ll>> B) { if (A.size()!=B.size()||A[0].size()!=B[0].size()) return {{}}; ll h = A.size(), w = A[0].size(); vector<vector<ll>> result(h,vector<ll>(w,0)); rep(i,h) rep(j,w) result[i][j] = (A[i][j]+B[i][j])%MOD; return result; } vector<vector<ll>> matdiff(vector<vector<ll>> A, vector<vector<ll>> B) { if (A.size()!=B.size()||A[0].size()!=B[0].size()) return {{}}; ll h = A.size(), w = A[0].size(); vector<vector<ll>> result(h,vector<ll>(w,0)); rep(i,h) rep(j,w) result[i][j] = (MOD+(A[i][j]-B[i][j])%MOD)%MOD; return result; } vector<vector<ll>> matdot(vector<vector<ll>> A, vector<vector<ll>> B) { if (A[0].size()!=B.size()) return {{}}; ll h = A.size(), w = B[0].size(), x = A[0].size(); vector<vector<ll>> result(h,vector<ll>(w,0)); rep(i,h) rep(j,w) rep(k,x) result[i][j] = (result[i][j] + A[i][k]*B[k][j])%MOD; return result; } vector<vector<ll>> matpow(vector<vector<ll>> A, ll n) { if (A.size()!=A[0].size()) return {{}}; int N = A.size(); vector<vector<ll>> result(N,vector<ll>(N,0)), now; copy(all(A),back_inserter(now)); rep(i,N) result[i][i] = 1; ll p2 = 1; while (n>=p2) { if (n&p2) result = matdot(result,now); now = matdot(now,now); p2 *= 2; } return result; } // ---------------------------------------------------------------------- // ---------------------------------------------------------------------- int main() { ll a, b, n; cin >> a >> b >> n; vector<vector<ll>> mat = {{a,b}, {1,0}}; vector<vector<ll>> mn = matpow(mat,n); ll result = mn[1][0]; cout << result << endl; return 0; }