結果
問題 | No.2695 Warp Zone |
ユーザー |
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提出日時 | 2024-03-22 21:33:46 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 188 ms / 2,000 ms |
コード長 | 5,964 bytes |
コンパイル時間 | 4,076 ms |
コンパイル使用メモリ | 248,784 KB |
実行使用メモリ | 132,864 KB |
最終ジャッジ日時 | 2024-09-30 10:58:55 |
合計ジャッジ時間 | 6,783 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 24 |
ソースコード
#include <algorithm>#include <bitset>#include <cassert>#include <cmath>#include <complex>#include <cstdio>#include <fstream>#include <functional>#include <iomanip>#include <iostream>#include <iterator>#include <map>#include <numeric>#include <queue>#include <random>#include <set>#include <sstream>#include <stack>#include <unordered_set>using namespace std;#if __has_include(<atcoder/all>)#include <atcoder/all>#endif#define GET_MACRO(_1, _2, _3, NAME, ...) NAME#define _rep(i, n) _rep2(i, 0, n)#define _rep2(i, a, b) for (int i = (int)(a); i < (int)(b); i++)#define rep(...) GET_MACRO(__VA_ARGS__, _rep2, _rep)(__VA_ARGS__)#define all(x) (x).begin(), (x).end()#define rall(x) (x).rbegin(), (x).rend()#define UNIQUE(x) \std::sort((x).begin(), (x).end()); \(x).erase(std::unique((x).begin(), (x).end()), (x).end())using i64 = long long;template <class T, class U>bool chmin(T& a, const U& b) {return (b < a) ? (a = b, true) : false;}template <class T, class U>bool chmax(T& a, const U& b) {return (b > a) ? (a = b, true) : false;}template <class T = std::string, class U = std::string>inline void YesNo(bool&& f = 0, const T yes = "Yes", const U no = "No") {if (f)std::cout << yes << "\n";elsestd::cout << no << "\n";}namespace io {template <typename T>istream& operator>>(istream& i, vector<T>& v) {rep(j, v.size()) i >> v[j];return i;}template <typename T>string join(vector<T>& v) {stringstream s;rep(i, v.size()) s << ' ' << v[i];return s.str().substr(1);}template <typename T>ostream& operator<<(ostream& o, vector<T>& v) {if (v.size()) o << join(v);return o;}template <typename T>string join(vector<vector<T>>& vv) {string s = "\n";rep(i, vv.size()) s += join(vv[i]) + "\n";return s;}template <typename T>ostream& operator<<(ostream& o, vector<vector<T>>& vv) {if (vv.size()) o << join(vv);return o;}template <class T, class U>istream& operator>>(istream& i, pair<T, U>& p) {i >> p.first >> p.second;return i;}template <class T, class U>ostream& operator<<(ostream& o, pair<T, U>& p) {o << p.first << " " << p.second;return o;}void print() { cout << "\n"; }template <class Head, class... Tail>void print(Head&& head, Tail&&... tail) {cout << head;if (sizeof...(tail)) cout << ' ';print(std::forward<Tail>(tail)...);}void in() {}template <class Head, class... Tail>void in(Head&& head, Tail&&... tail) {cin >> head;in(std::forward<Tail>(tail)...);}} // namespace iousing namespace io;namespace useful {long long modpow(long long a, long long b, long long mod) {long long res = 1;while (b) {if (b & 1) res *= a, res %= mod;a *= a;a %= mod;b >>= 1;}return res;}bool is_pow2(long long x) { return x > 0 && (x & (x - 1)) == 0; }template <class T>void rearrange(vector<T>& a, vector<int>& p) {vector<T> b = a;for (int i = 0; i < int(a.size()); i++) {a[i] = b[p[i]];}return;}template <class T>vector<pair<int, int>> rle_sequence(T& a) {vector<pair<int, int>> res;int n = a.size();if (n == 1) return vector<pair<int, int>>{{a[0], 1}};int l = 1;rep(i, n - 1) {if (a[i] == a[i + 1])l++;else {res.emplace_back(a[i], l);l = 1;}}res.emplace_back(a.back(), l);return res;}vector<pair<char, int>> rle_string(string a) {vector<pair<char, int>> res;int n = a.size();if (n == 1) return vector<pair<char, int>>{{a[0], 1}};int l = 1;rep(i, n - 1) {if (a[i] == a[i + 1])l++;else {res.emplace_back(a[i], l);l = 1;}}res.emplace_back(a.back(), l);return res;}vector<int> linear_sieve(int n) {vector<int> primes;vector<int> res(n + 1);iota(all(res), 0);for (int i = 2; i <= n; i++) {if (res[i] == i) primes.emplace_back(i);for (auto j : primes) {if (j * i > n) break;res[j * i] = j;}}return res;// return primes;}template <class T>vector<long long> dijkstra(vector<vector<pair<i64, T>>>& graph, int start) {int n = graph.size();vector<long long> res(n, 2e18);res[start] = 0;priority_queue<pair<long long, int>, vector<pair<long long, int>>,greater<pair<long long, int>>>que;que.push({0, start});while (!que.empty()) {auto [c, v] = que.top();que.pop();if (res[v] < c) continue;for (auto [nxt, cost] : graph[v]) {auto x = c + cost;if (x < res[nxt]) {res[nxt] = x;que.push({x, nxt});}}}return res;}} // namespace usefulusing namespace useful;using P = pair<i64, i64>;int main() {int h, w, n;in(h, w, n);vector<pair<P, P>> v(n);vector<P> z;rep(i, n) {i64 a, b, c, d;in(a, b, c, d);auto x = make_pair(a, b);auto y = make_pair(c, d);v[i] = make_pair(x, y);z.emplace_back(x);z.emplace_back(y);}z.emplace_back(1, 1);z.emplace_back(h, w);UNIQUE(z);auto idx = [&](P x) { return lower_bound(all(z), x) - z.begin(); };n = z.size();vector<vector<P>> e(n);rep(i, n) rep(j, n) {if (i == j) continue;e[i].emplace_back(j, abs(z[i].first - z[j].first) + abs(z[i].second - z[j].second));e[j].emplace_back(i, abs(z[i].first - z[j].first) + abs(z[i].second - z[j].second));}rep(i, v.size()) {auto ix = idx(v[i].first);auto iy = idx(v[i].second);e[ix].emplace_back(iy, 1);}auto g = dijkstra(e, 0);print(g[n - 1]);}