結果
| 問題 | No.134 走れ!サブロー君 |
| コンテスト | |
| ユーザー |
kei
|
| 提出日時 | 2018-08-16 02:34:41 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,494 bytes |
| 記録 | |
| コンパイル時間 | 1,834 ms |
| コンパイル使用メモリ | 176,280 KB |
| 実行使用メモリ | 6,948 KB |
| 最終ジャッジ日時 | 2024-09-24 09:43:44 |
| 合計ジャッジ時間 | 2,216 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 9 WA * 6 |
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/134>
問題文============================================================
=================================================================
解説=============================================================
================================================================
*/
typedef long double ld;
typedef pll Point;
inline ll norm_l1(Point p1,Point p2){
return abs(p1.first-p2.first)+abs(p1.second-p2.second);
}
ld solve(){
ld res = INF;
ll x,y; cin >> x >> y;
Point p(x,y);
int N; cin >> N;
vector<Point> ps(N);
vector<ld> w(N);
for(int i = 0; i < N;i++){
cin >> x >> y;
ps[i] = Point(x,y);
cin >> w[i];
}
ld W = accumulate(w.begin(),w.end(),0.f);
vector<vector<ld>> dp(1<<N,vector<ld>(N,INF));
for(int i = 0; i < N;i++) dp[1<<i][i] = norm_l1(p,ps[i])*(W+100)/(ld)120;
for(int i = 1; i < (1<<N);i++){
for(int j = 0; j < N;j++){
if(dp[i][j]>=INF) continue;
ll haveW = W;
for(int k = 0; k < N;k++) if(i>>k&1) haveW -= w[k];
for(int k = 0; k < N;k++){
if(i>>k&1) continue;
dp[i|(1<<k)][k] = min(dp[i|(1<<k)][k],dp[i][j]+norm_l1(ps[j],ps[k])*(haveW+100)/(ld)120);
}
}
}
for(int i = 0; i < N;i++) res = min(res,W+dp[(1<<N)-1][i]+norm_l1(p,ps[i])*100/(ld)120);
return res;
}
int main(void) {
cin.tie(0); ios_base::sync_with_stdio(false);
cout << fixed << setprecision(12) << solve() << endl;
return 0;
}
kei