結果
問題 | No.162 8020運動 |
ユーザー | kei |
提出日時 | 2018-08-30 16:19:58 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 74 ms / 5,000 ms |
コード長 | 2,714 bytes |
コンパイル時間 | 1,614 ms |
コンパイル使用メモリ | 167,936 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-13 19:50:30 |
合計ジャッジ時間 | 4,058 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
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 | 4 ms
6,816 KB |
testcase_01 | AC | 37 ms
6,944 KB |
testcase_02 | AC | 55 ms
6,940 KB |
testcase_03 | AC | 74 ms
6,944 KB |
testcase_04 | AC | 74 ms
6,944 KB |
testcase_05 | AC | 74 ms
6,940 KB |
testcase_06 | AC | 73 ms
6,940 KB |
testcase_07 | AC | 74 ms
6,940 KB |
testcase_08 | AC | 74 ms
6,940 KB |
testcase_09 | AC | 4 ms
6,944 KB |
testcase_10 | AC | 55 ms
6,944 KB |
testcase_11 | AC | 37 ms
6,940 KB |
testcase_12 | AC | 19 ms
6,940 KB |
testcase_13 | AC | 74 ms
6,944 KB |
testcase_14 | AC | 8 ms
6,944 KB |
testcase_15 | AC | 8 ms
6,944 KB |
testcase_16 | AC | 22 ms
6,944 KB |
testcase_17 | AC | 11 ms
6,944 KB |
testcase_18 | AC | 70 ms
6,940 KB |
testcase_19 | AC | 51 ms
6,940 KB |
testcase_20 | AC | 59 ms
6,940 KB |
testcase_21 | AC | 59 ms
6,944 KB |
testcase_22 | AC | 56 ms
6,944 KB |
testcase_23 | AC | 60 ms
6,944 KB |
testcase_24 | AC | 56 ms
6,940 KB |
testcase_25 | AC | 64 ms
6,940 KB |
testcase_26 | AC | 4 ms
6,940 KB |
testcase_27 | AC | 41 ms
6,940 KB |
testcase_28 | AC | 70 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/162> 問題文============================================================ ================================================================= 解説============================================================= ================================================================ */ typedef long double ld; ld memo[21][15]; ld P[3]; ld rec(int a,int tooth){ if(a == 0) return tooth; ld& ret = memo[a][tooth]; if(!(ret < 0)) return ret; ret = 0; if(tooth == 1){ ret = (1-P[0])*rec(a-1,tooth); }else{ for(int t = 0; t < (1<<tooth);t++){ ld Ptooth = 1; ld sum = 0; int cnt_tooth = 0; for(int b = 0; b <= tooth;b++){ if((t>>b)&1){ if(b == 0 || b == tooth-1){ Ptooth *= (1-P[1]); }else{ Ptooth *= (1-P[2]); } cnt_tooth++; }else{ if(b == 0 || b == tooth-1){ Ptooth *= P[1]; }else if(b != tooth){ Ptooth *= P[2]; } if(cnt_tooth){ sum += rec(a-1,cnt_tooth); } cnt_tooth = 0; } } ret += Ptooth * sum; } } return ret; } ld solve(){ fill(*memo,*memo+21*15,-1); ld res = 0; int A; cin >> A; A = 80 - A; for(int i = 0; i < 3;i++){ cin >> P[i]; P[i]/=100;} res = rec(A,14)*2; return res; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); cout << fixed << setprecision(12) << solve() << endl; return 0; }