結果

問題 No.134 走れ!サブロー君
ユーザー is_eri23is_eri23
提出日時 2015-01-23 01:10:22
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 8 ms / 5,000 ms
コード長 2,924 bytes
コンパイル時間 1,281 ms
コンパイル使用メモリ 158,832 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-04-22 18:01:01
合計ジャッジ時間 1,909 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
このコードへのチャレンジ
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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
5,248 KB
testcase_01 AC 1 ms
5,376 KB
testcase_02 AC 1 ms
5,376 KB
testcase_03 AC 2 ms
5,376 KB
testcase_04 AC 2 ms
5,376 KB
testcase_05 AC 2 ms
5,376 KB
testcase_06 AC 3 ms
5,376 KB
testcase_07 AC 4 ms
5,376 KB
testcase_08 AC 8 ms
5,376 KB
testcase_09 AC 8 ms
5,376 KB
testcase_10 AC 2 ms
5,376 KB
testcase_11 AC 2 ms
5,376 KB
testcase_12 AC 2 ms
5,376 KB
testcase_13 AC 2 ms
5,376 KB
testcase_14 AC 2 ms
5,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include <bits/stdc++.h>
#define EPS 1e-9
#define INF 1070000000LL
#define MOD 1000000007LL
#define fir first
#define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++)
#define numa(x,a) for(auto x: a)
#define ite iterator
#define mp make_pair
#define rep(i,n) rep2(i,0,n)
#define rep2(i,m,n) for(int i=m;i<(n);i++)
#define pb push_back
#define pf push_front
#define sec second
#define sz(x) ((int)(x).size())
#define ALL( c ) (c).begin(), (c).end()
#define gcd(a,b) __gcd(a,b)
#define mem(x,n) memset(x,n,sizeof(x))
#define endl "\n"
using namespace std;
template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){}
template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t); deploy<POS + 1, TUPLE, Ts...>(os, t); }
template <class T,class U> std::ostream& operator<<(std::ostream &os, std::pair<T,U> &p){ os << "(" << p.first <<", " << p.second <<")";return os; }
template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; }
template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; }
template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; }
#define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; }
#define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); }
#define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); }
#define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); }
using ll = long long;


int X[15];
int Y[15];
double W[15];
double memo[15][1<<14];
int N;

double calc(int start, int goal, double weight){
  double d = abs(X[start] - X[goal]) + abs(Y[start] - Y[goal]);
  return d * (weight + 100.0) / 120;
}

double dp_go(int now, int bit, double weight){
  if (abs(weight) <= EPS) {
    return calc(now,0,0);
  }
  if (memo[now][bit] >= 0) {
    return memo[now][bit];
  }

  double ret = INF;
  rep(i,N){
    if ((bit & (1LL<<i)) == 0) {
      ret = min(ret,dp_go(i,(bit ^ (1LL<<i)),weight-W[i])+calc(now,i,weight));
    }
  }

  return memo[now][bit] = ret;
}

int main()
{
  cin.tie(0);
  ios_base::sync_with_stdio(0);
  cin >> X[0] >> Y[0];
  cin >> N;
  N += 1;
  double weight = 0;
  rep2(i,1,N){
    int w;
    cin >> X[i] >> Y[i] >> W[i];
    weight += W[i];
  }
  rep(x,N){
    rep(i,1<<N){
      memo[x][i] = -1;
    }
  }
  cout << fixed << setprecision(10) << dp_go(0,1,weight) + weight<< endl;
  return 0;
}
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