結果
問題 |
No.420 mod2漸化式
|
ユーザー |
![]() |
提出日時 | 2018-12-06 00:25:42 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,027 bytes |
コンパイル時間 | 1,649 ms |
コンパイル使用メモリ | 170,328 KB |
実行使用メモリ | 10,624 KB |
最終ジャッジ日時 | 2024-07-22 11:42:22 |
合計ジャッジ時間 | 4,331 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | TLE * 1 -- * 34 |
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; 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; } 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/420> 問題文============================================================ ================================================================= 解説============================================================= ================================================================ */ ll next_combination(ll sub) { ll x = sub & -sub, y = sub + x; return (((sub & ~y) / x) >> 1LL) | y; } vector<ll> solve(){ vector<ll> res; ll x; cin >> x; if(x > 31 || x == 0) return vector<ll>{0,0}; ll y = min(x,31-x); ll v = 1; for(ll yy = 0; yy < y;yy++) v *= (31-yy); for(ll yy = 1; yy <= y;yy++) v /= yy; res.push_back(v); ll t = 0; ll n = 31,k = x; // nCk ll bit = (1LL<<k)-1; for(;bit < (1LL<<n); bit = next_combination(bit)){ t += bit; } res.push_back(t); return res; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); cout << solve() << endl; return 0; }