結果
問題 | No.2955 Pizza Delivery Plan |
ユーザー | 👑 AngrySadEight |
提出日時 | 2024-11-08 22:15:37 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 68 ms / 2,000 ms |
コード長 | 4,262 bytes |
コンパイル時間 | 4,580 ms |
コンパイル使用メモリ | 225,180 KB |
実行使用メモリ | 6,400 KB |
最終ジャッジ日時 | 2024-11-08 22:15:45 |
合計ジャッジ時間 | 6,802 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 1 ms
5,248 KB |
testcase_08 | AC | 58 ms
6,144 KB |
testcase_09 | AC | 57 ms
6,400 KB |
testcase_10 | AC | 60 ms
6,144 KB |
testcase_11 | AC | 61 ms
6,144 KB |
testcase_12 | AC | 61 ms
6,144 KB |
testcase_13 | AC | 60 ms
6,272 KB |
testcase_14 | AC | 68 ms
6,144 KB |
testcase_15 | AC | 59 ms
6,144 KB |
testcase_16 | AC | 59 ms
6,144 KB |
testcase_17 | AC | 63 ms
6,272 KB |
testcase_18 | AC | 63 ms
6,144 KB |
testcase_19 | AC | 59 ms
6,144 KB |
testcase_20 | AC | 58 ms
6,144 KB |
testcase_21 | AC | 58 ms
6,272 KB |
testcase_22 | AC | 59 ms
6,144 KB |
testcase_23 | AC | 58 ms
6,272 KB |
testcase_24 | AC | 58 ms
6,272 KB |
testcase_25 | AC | 60 ms
6,272 KB |
testcase_26 | AC | 59 ms
6,272 KB |
testcase_27 | AC | 58 ms
6,272 KB |
testcase_28 | AC | 58 ms
6,272 KB |
testcase_29 | AC | 59 ms
6,272 KB |
testcase_30 | AC | 60 ms
6,272 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <algorithm> #include <atcoder/all> #include <bitset> #include <cassert> #include <cmath> #include <ctime> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int, int> #define pil pair<int, ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int, int>> #define vpll vector<pair<ll, ll>> #define vvpii vector<vector<pair<int, int>>> #define vvpll vector<vector<pair<ll, ll>>> template <typename T> void debug(T e) { cerr << e << endl; } template <typename T> void debug(vector<T> &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template <typename T> void debug(vector<vector<T>> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template <typename T> void debug(vector<pair<T, T>> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template <typename T> void debug(set<T> &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(multiset<T> &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(map<T, T> &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } double dist(double x1, double y1, double x2, double y2) { double ret = sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)); return ret; } int main() { ll N, K; cin >> N >> K; vector<double> x(N); vector<double> y(N); for (ll i = 0; i < N; i++) { cin >> x[i] >> y[i]; } double INF = 100000000000234; vector<double> subans((1 << N), INF); vector<vector<double>> bitdp((1 << N), vector<double>(N, INF)); for (ll i = 0; i < N; i++) { bitdp[1 << i][i] = dist(0, 0, x[i], y[i]); } for (ll i = 1; i < (1 << N); i++) { for (ll j = 0; j < N; j++) { for (ll k = 0; k < N; k++) { if ((i >> k) & 1) { continue; } bitdp[i + (1 << k)][k] = min(bitdp[i + (1 << k)][k], bitdp[i][j] + dist(x[j], y[j], x[k], y[k])); } } } for (ll i = 0; i < (1 << N); i++) { for (ll j = 0; j < N; j++) { subans[i] = min(subans[i], bitdp[i][j] + dist(0, 0, x[j], y[j])); } } vector<double> bitdp2(1 << N, INF); bitdp2[0] = 0; for (ll i = 0; i < (1 << N); i++) { ll x = (1 << N) - 1 - i; for (ll j = x;; j = (j - 1) & x) { if (j == 0) { break; } ll popcnt = 0; for (ll k = 0; k < N; k++) { if ((j >> k) & 1) { popcnt++; } } if (popcnt <= K) { bitdp2[i + j] = min(bitdp2[i + j], bitdp2[i] + subans[j]); } } } cout << setprecision(13) << bitdp2[(1 << N) - 1] << endl; }