結果
問題 | No.181 A↑↑N mod M |
ユーザー | kei |
提出日時 | 2018-09-13 02:02:00 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3 ms / 5,000 ms |
コード長 | 2,580 bytes |
コンパイル時間 | 1,664 ms |
コンパイル使用メモリ | 171,376 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-28 12:11:21 |
合計ジャッジ時間 | 2,988 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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
6,816 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 3 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 3 ms
6,944 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 | 3 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,940 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 | 3 ms
6,940 KB |
testcase_31 | AC | 2 ms
6,944 KB |
testcase_32 | AC | 2 ms
6,944 KB |
testcase_33 | AC | 2 ms
6,944 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
6,944 KB |
testcase_38 | AC | 2 ms
6,940 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | AC | 3 ms
6,944 KB |
testcase_41 | AC | 2 ms
6,940 KB |
testcase_42 | AC | 3 ms
6,940 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int INF = 1e9; const ll LINF = 1e18; template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; } template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; } template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; } template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; } /* <url:https://yukicoder.me/problems/no/181> 問題文============================================================ ================================================================= 解説============================================================= ================================================================ */ inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; } inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; } ll powmod(ll a,ll b,ll m) {ll res=1;a%=m;for(;b;b>>=1){if(b&1)res=res*a%m;a=a*a%m;}return res;} ll Euler_Phi(ll m) { if(m==0)return 0; ll res = m; for (ll i = 2; i * i <= m; i++) { if (m % i == 0) { res = res / i * (i - 1); while(m % i == 0) m/=i; } } if (m != 1) res = res / m * (m - 1); return res; } vector<ll> Phi; void initPhi(ll MAXM){ Phi.resize(MAXM); for(int i = 1; i < MAXM;i++) Phi[i] = Euler_Phi(i); } ll greedy_test(ll a,ll n,ll m){ if(a == 1) return 1; ll ret = 1; for(int i = 0; i < n;i++){ ll t = ret; ret = 1; for(int j = 0; j < t;j++){ ret *= a; if(ret>=m) return m; } } return ret; } // a↑↑b mod m ll tetration(ll a,ll b,ll m){ if(m == 1) return 0; if(a == 1 || b == 0) return 1; ll t = greedy_test(a,b-1,m+1); if(t <= m) return powmod(a,t,m); return powmod(a,m+(tetration(a, b-1,Phi[m])-m)%Phi[m],m); } ll solve(){ ll res = 0; ll A,N,M; cin >> A >> N >> M; initPhi(M+1); res = tetration(A, N, M); return res; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); cout << solve() << endl; return 0; }