結果
問題 |
No.2375 watasou and hibit's baseball
|
ユーザー |
![]() |
提出日時 | 2023-07-07 23:29:28 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,449 bytes |
コンパイル時間 | 1,458 ms |
コンパイル使用メモリ | 136,588 KB |
最終ジャッジ日時 | 2025-02-15 08:38:29 |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 3 TLE * 1 -- * 32 |
ソースコード
#include <algorithm> #include <bit> #include <cassert> #include <cstdio> #include <cstdlib> #include <cmath> #include <deque> #include <iostream> #include <map> #include <random> #include <unordered_set> #include <unordered_map> #include <vector> #include <set> #include <string> using namespace::std; template<typename T, typename U> ostream& operator<< (ostream& o, const pair<T, U>& p) { o << "<" << p.first << ", " << p.second << ">"; return o; } template <typename T> ostream& operator<< (ostream& o, const vector<T>& v) { for (const auto& x : v) o << x << " "; return o; } template <typename T> ostream& operator<< (ostream& o, const set<T>& v) { for (const auto& x : v) o << x << " "; return o; } template <typename T> ostream& operator<< (ostream& o, const deque<T>& v) { for (const auto& x : v) o << x << " "; return o; } template <typename K, typename V> ostream& operator<<(ostream& o, const unordered_map<K, V>& m) { o << "{"; for (const auto& [k, v] : m) o << " " << k << ": " << v << ","; o << "}"; return o; } template <typename T> istream& operator>> (istream& i, vector<T>& v) { for (auto& x : v) i >> x; return i; } int main() { ios::sync_with_stdio(false); int n, a, b; cin >> n >> a >> b; vector<int> x(n), y(n), k(n); for (int i = 0; i < n; ++i) cin >> x[i] >> y[i] >> k[i]; using State = pair<set<int>, deque<int>>; set<State> vis {}; vector<State> q {{{}, {}}}; while (q.size()) { State u = q.back(); q.pop_back(); if (vis.count(u)) continue; vis.insert(u); //cerr << "New State " << u << endl; for (int i = 0; i < n; ++i) { //cerr << "i " << i << endl; if (!u.first.count(i) && ( u.first.size() == 0 || (u.first.size() == 1 && a <= abs(x[i] - x[u.second.back()]) + abs(y[i] - y[u.second.back()])) || (u.first.size() >= 1 && b <= abs(k[i] - k[u.second.back()])) || (u.first.size() >= 2 && a <= abs(x[i] - x[u.second.back()]) + abs(y[i] - y[u.second.back()]) + abs(x[i] - x[u.second[0]]) + abs(y[i] - y[u.second[0]])))) { State v = u; v.first.insert(i); if (v.second.size() > 2) v.second.pop_front(); v.second.push_back(i); q.push_back(v); } } } unsigned long r = 0; for (const State& s : vis) r = max(r, s.first.size()); cout << r << endl; return 0; }