結果
問題 | No.2955 Pizza Delivery Plan |
ユーザー |
|
提出日時 | 2024-11-08 21:38:04 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 209 ms / 2,000 ms |
コード長 | 2,997 bytes |
コンパイル時間 | 2,331 ms |
コンパイル使用メモリ | 210,136 KB |
実行使用メモリ | 40,576 KB |
最終ジャッジ日時 | 2024-11-08 21:38:11 |
合計ジャッジ時間 | 6,511 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 28 |
ソースコード
#include <bits/stdc++.h>using namespace std;typedef long long ll;typedef pair<ll, ll> pll;typedef pair<int, int> pii;typedef pair<double, double> pdd;typedef vector<int> vi;typedef vector<ll> vll;typedef vector<double> vd;typedef vector<string> vs;typedef vector<vi> vvi;typedef vector<vvi> vvvi;typedef vector<vll> vvll;typedef vector<vvll> vvvll;typedef vector<pii> vpii;typedef vector<vpii> vvpii;typedef vector<pll> vpll;typedef vector<vpll> vvpll;typedef vector<pdd> vpdd;typedef vector<vd> vvd;#define yn(ans) printf("%s\n", (ans)?"Yes":"No");#define YN(ans) printf("%s\n", (ans)?"YES":"NO");template<class T> bool chmax(T &a, T b) {if (a >= b) return false;a = b; return true;}template<class T> bool chmin(T &a, T b) {if (a <= b) return false;a = b; return true;}#define FOR(i, s, e, t) for ((i) = (s); (i) < (e); (i) += (t))#define REP(i, e) for (int i = 0; i < (e); ++i)#define REP1(i, s, e) for (int i = (s); i < (e); ++i)#define RREP(i, e) for (int i = (e); i >= 0; --i)#define RREP1(i, e, s) for (int i = (e); i >= (s); --i)#define all(v) v.begin(), v.end()#define pb push_back#define qb pop_back#define pf push_front#define qf pop_front#define maxe max_element#define mine min_elementll inf = 1e18;#define DEBUG printf("%d\n", __LINE__); fflush(stdout);template<class T> void print(vector<T> &v, bool withSize = false) {if (withSize) cout << v.size() << endl;REP(i, v.size()) cout << v[i] << " ";cout << endl;}mt19937_64 rng((unsigned int) chrono::steady_clock::now().time_since_epoch().count());int __FAST_IO__ = []() {std::ios::sync_with_stdio(0);std::cin.tie(0);std::cout.tie(0);return 0;}();#define TESTS int t; cin >> t; while (t--)#define TESTint main() {TEST {int N, K;cin >> N >> K;vi x(N + 1, 0), y(N + 1, 0);REP(i, N) cin >> x[i] >> y[i];auto dis = [&](int a, int b) {return sqrt((double)(x[a] - x[b]) * (x[a] - x[b]) + (double)(y[a] - y[b]) * (y[a] - y[b]));};vector<vvd> dp(1 << N, vvd(N + 1, vd(K + 1, 1e18)));dp[0][N][K] = 0;REP(i, 1 << N) {if (i == 0) {REP(j, N) {dp[1 << j][j][K - 1] = dis(j, N);}} else {REP(j, N + 1) {if (j != N && !(i >> j & 1)) continue;REP(k, K + 1) {REP(l, N + 1) {if (k == 0 && l != N) continue;if (l != N && (i >> l & 1)) continue;chmin(dp[i | (l == N ? 0 : (1 << l))][l][l == N ? K : k - 1], dp[i][j][k] + dis(j, l));}}}}}double ans = 1e18;REP(i, N) REP(j, K + 1) chmin(ans, dp[(1 << N) - 1][i][j] + dis(i, N));printf("%.12lf\n", ans);}return 0;}