結果
問題 | No.34 砂漠の行商人 |
ユーザー | kjnh10 |
提出日時 | 2020-06-04 21:25:35 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 5,134 bytes |
コンパイル時間 | 2,532 ms |
コンパイル使用メモリ | 217,832 KB |
実行使用メモリ | 232,696 KB |
最終ジャッジ日時 | 2024-11-30 05:51:09 |
合計ジャッジ時間 | 51,834 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 3 ms
166,456 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 7 ms
10,176 KB |
testcase_03 | AC | 14 ms
8,960 KB |
testcase_04 | AC | 70 ms
42,412 KB |
testcase_05 | AC | 74 ms
55,944 KB |
testcase_06 | AC | 16 ms
33,456 KB |
testcase_07 | AC | 116 ms
82,092 KB |
testcase_08 | AC | 159 ms
111,052 KB |
testcase_09 | AC | 3,847 ms
94,464 KB |
testcase_10 | TLE | - |
testcase_11 | AC | 3,776 ms
161,148 KB |
testcase_12 | AC | 70 ms
43,940 KB |
testcase_13 | TLE | - |
testcase_14 | TLE | - |
testcase_15 | AC | 1,778 ms
49,308 KB |
testcase_16 | AC | 1,660 ms
45,868 KB |
testcase_17 | AC | 2,260 ms
92,144 KB |
testcase_18 | AC | 350 ms
12,320 KB |
testcase_19 | AC | 1,404 ms
145,716 KB |
testcase_20 | AC | 2,622 ms
152,028 KB |
testcase_21 | AC | 48 ms
156,344 KB |
testcase_22 | AC | 2,892 ms
137,032 KB |
testcase_23 | AC | 2,516 ms
65,944 KB |
testcase_24 | TLE | - |
testcase_25 | AC | 237 ms
232,696 KB |
ソースコード
#line 2 "header.hpp" //%snippet.set('header')% //%snippet.fold()% #ifndef HEADER_H #define HEADER_H // template version 2.0 using namespace std; #include <bits/stdc++.h> // varibable settings const long long INF = 1e18; template <class T> constexpr T inf = numeric_limits<T>::max() / 2.1; #define _overload3(_1, _2, _3, name, ...) name #define _rep(i, n) repi(i, 0, n) #define repi(i, a, b) for (ll i = (ll)(a); i < (ll)(b); ++i) #define rep(...) _overload3(__VA_ARGS__, repi, _rep, )(__VA_ARGS__) #define _rrep(i, n) rrepi(i, 0, n) #define rrepi(i, a, b) for (ll i = (ll)((b)-1); i >= (ll)(a); --i) #define r_rep(...) _overload3(__VA_ARGS__, rrepi, _rrep, )(__VA_ARGS__) #define each(i, a) for (auto &&i : a) #define all(x) (x).begin(), (x).end() #define sz(x) ((int)(x).size()) #define pb(a) push_back(a) #define mp(a, b) make_pair(a, b) #define mt(...) make_tuple(__VA_ARGS__) #define ub upper_bound #define lb lower_bound #define lpos(A, x) (lower_bound(all(A), x) - A.begin()) #define upos(A, x) (upper_bound(all(A), x) - A.begin()) template <class T> inline void chmax(T &a, const T &b) { if ((a) < (b)) (a) = (b); } template <class T> inline void chmin(T &a, const T &b) { if ((a) > (b)) (a) = (b); } template <typename X, typename T> auto make_table(X x, T a) { return vector<T>(x, a); } template <typename X, typename Y, typename Z, typename... Zs> auto make_table(X x, Y y, Z z, Zs... zs) { auto cont = make_table(y, z, zs...); return vector<decltype(cont)>(x, cont); } #define cdiv(a, b) (((a) + (b)-1) / (b)) #define is_in(x, a, b) ((a) <= (x) && (x) < (b)) #define uni(x) sort(all(x)); x.erase(unique(all(x)), x.end()) #define slice(l, r) substr(l, r - l) typedef long long ll; typedef long double ld; using vl = vector<ll>; using vvl = vector<vl>; using pll = pair<ll, ll>; template <typename T> using PQ = priority_queue<T, vector<T>, greater<T>>; void check_input() { assert(cin.eof() == 0); int tmp; cin >> tmp; assert(cin.eof() == 1); } #if defined(PCM) || defined(LOCAL) #else #define dump(...) ; #define dump_1d(...) ; #define dump_2d(...) ; #define cerrendl ; #endif #endif /* HEADER_H */ //%snippet.end()% #line 2 "solve.cpp" template<class T=ll> using vec = vector<T>; struct Fast { Fast() { std::cin.tie(0); ios::sync_with_stdio(false); } } fast; vvl e; // snippet:GridGraph {{{ template<class Cost=ll> struct GridGraph { using Pos = ll; ll dim; // 次元 ll h, w; ll n; // 頂点数 vector<ll> size; vector<ll> b; GridGraph() {} GridGraph(vector<ll> _size) : size(_size) { dim = sz(size); h = size[0]; w = size[0]; n = 1; rep(i, dim) n *= size[i]; b.resize(dim); b[0] = 1; rep(i, 1, dim) b[i] = b[i-1] * size[i-1]; } Pos uid(const vector<ll>& r) { Pos res = 0; ll mul = 1; rep(i, dim){ res += r[i] * mul; mul *= size[i]; } return res; } ll operator()(const vector<ll>& r) { return uid(r); } vector<ll> raw(Pos x){ vector<ll> res(dim); r_rep(i, dim){ res[i] = x / b[i]; x %= b[i]; } return res; } vector<ll> get_adj(ll u){ auto r = raw(u); ll i = r[0]; ll j = r[1]; ll remcost = r[2]; vector<ll> adj; ll dx[] = {1, -1, 0, 0}; ll dy[] = {0, 0, 1, -1}; rep(dir, 4) { ll ni = i + dx[dir]; ll nj = j + dy[dir]; if (is_in(ni, 0, h) && is_in(nj, 0, w)){ if (remcost >= e[ni][nj]) adj.push_back(uid({ni, nj, remcost - e[ni][nj]})); } } return adj; } vector<Cost> dijkstra(vector<Pos> starts) { // 多点スタート{{{ vector<Cost> dist(n, INF); // 最短距離 // PQ<pair<Cost, Pos>> pq; queue<pair<Cost, Pos>> pq; each(start, starts) { dist[start] = 0; pq.push(make_pair(0, start)); } while (!pq.empty()) { auto cp = pq.front(); pq.pop(); auto [cost, u] = cp; for (const auto& v : get_adj(u)) { Cost new_cost = cost + 1; if (new_cost < dist[v]) { dist[v] = new_cost; pq.push(make_pair(new_cost, v)); } } } return dist; };/*}}}*/ vector<Cost> dijkstra(Pos start) { // 1点スタート{{{ vector<Pos> starts = {start}; return dijkstra(starts); };/*}}}*/ }; // snippet:Graph }}} int solve() { ll n,v,sx,sy,gx,gy;cin>>n>>v>>sy>>sx>>gy>>gx; sx--;sy--;gx--;gy--; e = vvl(n, vl(n)); rep(i, n)rep(j, n){ cin>>e[i][j]; } GridGraph<ll> g(vl({n, n, 2000})); auto d = g.dijkstra(g.uid({sx, sy, min(v, 1999LL)})); ll ans = INF; rep(r, 1, 2000){ if (d[g.uid({gx, gy, r})] != INF){ chmin(ans, d[g.uid({gx, gy, r})]); } } cout << (ans==INF ? -1 : ans) << endl; return 0; } int main(){/*{{{*/ solve(); check_input(); return 0; }/*}}}*/