結果
問題 | No.2695 Warp Zone |
ユーザー | Misuki |
提出日時 | 2024-03-22 21:57:36 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 19 ms / 2,000 ms |
コード長 | 4,045 bytes |
コンパイル時間 | 3,045 ms |
コンパイル使用メモリ | 218,080 KB |
実行使用メモリ | 19,584 KB |
最終ジャッジ日時 | 2024-09-30 11:28:40 |
合計ジャッジ時間 | 3,326 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 19 ms
19,456 KB |
testcase_04 | AC | 18 ms
19,328 KB |
testcase_05 | AC | 17 ms
19,200 KB |
testcase_06 | AC | 17 ms
19,584 KB |
testcase_07 | AC | 17 ms
19,456 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 9 ms
10,752 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 4 ms
5,760 KB |
testcase_12 | AC | 11 ms
13,312 KB |
testcase_13 | AC | 1 ms
5,248 KB |
testcase_14 | AC | 14 ms
15,872 KB |
testcase_15 | AC | 7 ms
9,728 KB |
testcase_16 | AC | 3 ms
5,504 KB |
testcase_17 | AC | 5 ms
6,656 KB |
testcase_18 | AC | 15 ms
17,536 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 14 ms
16,512 KB |
testcase_21 | AC | 12 ms
15,744 KB |
testcase_22 | AC | 6 ms
7,424 KB |
testcase_23 | AC | 11 ms
13,440 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
ソースコード
#pragma GCC optimize("O2") #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cctype> #include <cfenv> #include <cfloat> #include <chrono> #include <cinttypes> #include <climits> #include <cmath> #include <complex> #include <cstdarg> #include <cstddef> #include <cstdint> #include <cstdio> #include <cstdlib> #include <cstring> #include <deque> #include <fstream> #include <functional> #include <initializer_list> #include <iomanip> #include <ios> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <random> #include <set> #include <sstream> #include <stack> #include <streambuf> #include <string> #include <tuple> #include <type_traits> #include <variant> #if __cplusplus >= 202002L #include <bit> #include <compare> #include <concepts> #include <numbers> #include <ranges> #include <span> #else #define ssize(v) (int)(v).size() #define popcount(x) __builtin_popcountll(x) constexpr int bit_width(const unsigned int x) { return x == 0 ? 0 : ((sizeof(unsigned int) * CHAR_BIT) - __builtin_clz(x)); } constexpr int bit_width(const unsigned long long x) { return x == 0 ? 0 : ((sizeof(unsigned long long) * CHAR_BIT) - __builtin_clzll(x)); } constexpr int countr_zero(const unsigned int x) { return x == 0 ? sizeof(unsigned int) * CHAR_BIT : __builtin_ctz(x); } constexpr int countr_zero(const unsigned long long x) { return x == 0 ? sizeof(unsigned long long) * CHAR_BIT : __builtin_ctzll(x); } constexpr unsigned int bit_ceil(const unsigned int x) { return x == 0 ? 1 : (popcount(x) == 1 ? x : (1u << bit_width(x))); } constexpr unsigned long long bit_ceil(const unsigned long long x) { return x == 0 ? 1 : (popcount(x) == 1 ? x : (1ull << bit_width(x))); } #endif //#define int ll #define INT128_MAX (__int128)(((unsigned __int128) 1 << ((sizeof(__int128) * __CHAR_BIT__) - 1)) - 1) #define INT128_MIN (-INT128_MAX - 1) #define clock chrono::steady_clock::now().time_since_epoch().count() #ifdef DEBUG #define dbg(x) cout << (#x) << " = " << x << '\n' #else #define dbg(x) #endif using namespace std; using ll = long long; using ull = unsigned long long; using ldb = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; //#define double ldb template<class T> ostream& operator<<(ostream& os, const pair<T, T> pr) { return os << pr.first << ' ' << pr.second; } template<class T, size_t N> ostream& operator<<(ostream& os, const array<T, N> &arr) { for(const T &X : arr) os << X << ' '; return os; } template<class T> ostream& operator<<(ostream& os, const vector<T> &vec) { for(const T &X : vec) os << X << ' '; return os; } template<class T> ostream& operator<<(ostream& os, const set<T> &s) { for(const T &x : s) os << x << ' '; return os; } template<class T> pair<vector<T>, vector<int>> Dijkstra(vector<vector<pair<int, T>>> &g, int s) { int n = ssize(g); vector<T> dis(n, -1); vector<int> pre(n, -1); priority_queue<pair<T, int>, vector<pair<T, int>>, greater<pair<T, int>>> pq; dis[s] = 0; pq.push({0, s}); while(!pq.empty()) { auto [d, v] = pq.top(); pq.pop(); if (dis[v] != d) continue; for(auto [x, w] : g[v]) { if (dis[x] != -1 and d + w >= dis[x]) continue; dis[x] = d + w, pre[x] = v; pq.push(make_pair(d + w, x)); } } return make_pair(dis, pre); } signed main() { ios::sync_with_stdio(false), cin.tie(NULL); int h, w, n; cin >> h >> w >> n; vector<array<int, 4>> warp(n); for(auto &[a, b, c, d] : warp) cin >> a >> b >> c >> d; warp.push_back({h, w, 1, 1}); vector<vector<pair<int, ll>>> g(2 * n + 2); for(int i = 0; i <= n; i++) g[i].emplace_back(i + (n + 1), 1); for(int i = n + 1; i < 2 * (n + 1); i++) for(int j = 0; j <= n; j++) g[i].emplace_back(j, abs(warp[i - n - 1][2] - warp[j][0]) + abs(warp[i - n - 1][3] - warp[j][1])); cout << Dijkstra(g, 2 * n + 1).first[n] << '\n'; return 0; }