結果
問題 | No.2695 Warp Zone |
ユーザー | mayocorn |
提出日時 | 2024-03-22 22:04:03 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 196 ms / 2,000 ms |
コード長 | 4,919 bytes |
コンパイル時間 | 5,065 ms |
コンパイル使用メモリ | 281,544 KB |
実行使用メモリ | 35,840 KB |
最終ジャッジ日時 | 2024-09-30 11:35:07 |
合計ジャッジ時間 | 7,773 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 195 ms
35,840 KB |
testcase_04 | AC | 185 ms
35,200 KB |
testcase_05 | AC | 186 ms
35,200 KB |
testcase_06 | AC | 193 ms
35,712 KB |
testcase_07 | AC | 196 ms
35,840 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 61 ms
19,968 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 17 ms
8,320 KB |
testcase_12 | AC | 90 ms
24,960 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 116 ms
28,544 KB |
testcase_15 | AC | 53 ms
18,688 KB |
testcase_16 | AC | 13 ms
7,680 KB |
testcase_17 | AC | 28 ms
9,984 KB |
testcase_18 | AC | 147 ms
31,616 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 128 ms
30,080 KB |
testcase_21 | AC | 116 ms
28,416 KB |
testcase_22 | AC | 41 ms
11,520 KB |
testcase_23 | AC | 88 ms
24,320 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
#include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; // type typedef long long ll; typedef long double ld; using i128 = __int128_t; template<class T> using pq = priority_queue<T>; template<class T> using pqg = priority_queue<T, vector<T>, greater<T>>; template<class T> using v = vector<T>; #define V vector #define pl pair<ll, ll> #define vl v<ll> #define vp v<pl> #define vm v<mint> // IN-OUT #define NYAN ios::sync_with_stdio(false);cin.tie(nullptr);cout<<fixed<<setprecision(15); ostream &operator<<(ostream &os, const i128 &v) { if(v == 0) { return (os << "0"); } i128 num = v; if(v < 0) { os << '-'; num = -num; } string s; for(; num > 0; num /= 10) { s.push_back((char)(num % 10) + '0'); } reverse(s.begin(), s.end()); return (os << s); } void Yes(bool b=1) { cout << ( b == 1 ? "Yes" : "No" ) << "\n"; } void YES(bool b=1) { cout << ( b == 1 ? "YES" : "NO" ) << "\n"; } void No(bool b=1) { cout << ( b == 1 ? "No" : "Yes" ) << "\n"; } void NO(bool b=1) { cout << ( b == 1 ? "NO" : "YES" ) << "\n"; } void CIN() {} template <typename T, class... U> void CIN(T &t, U &...u) { cin >> t; CIN(u...); } void COUT() { cout << "\n"; } template <typename T, class... U, char sep = ' '> void COUT(const T &t, const U &...u) { cout << t; if (sizeof...(u)) cout << sep; COUT(u...); } #define dump(x) cerr << #x << ":"<< x << "\n"; #define vdump(x) rep(repeat, sz(x)) cerr << repeat << ":" << x[repeat] << "\n"; // macro #define bp __builtin_popcountll #define ALL(x) x.begin(),x.end() #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define reps(i, s, n) for (ll i = s; i < (ll)(n); i++) #define sz(x) (ll)x.size() ll xd[]={0, 1, 0, -1, 1, 1, -1, -1}; ll yd[]={1, 0, -1, 0, 1, -1, -1, 1}; // function template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } template<typename T>int bl(T x) { int s = 0; while(x) {x >>= 1; s++;} return s; } // bitlength ll rmax(ll a, ll b){return max(a, b);} ll rmin(ll a, ll b){return min(a, b);} ll rsum(ll a, ll b){return a + b;} ll rzero(){return 0;} // constant long double PI = 3.14159265358979; #define INF32 2147483647 #define INF64 9223372036854775807 #define INF 922337203685477580 using mint = modint998244353; // using mint = modint1000000007; /* SOLVE BEGIN ************************************************************************** */ // Compress(座標圧縮) ------------------------------ template< typename T = long long > struct Compress { vector< T > xs; Compress() = default; Compress(const vector< T > &vs) { add(vs); } Compress(const initializer_list< vector< T > > &vs) { for(auto &p : vs) add(p); } void add(const vector< T > &vs) { copy(begin(vs), end(vs), back_inserter(xs)); } void add(const T &x) { xs.emplace_back(x); } void init() { sort(begin(xs), end(xs)); xs.erase(unique(begin(xs), end(xs)), end(xs)); } vector< int > get(const vector< T > &vs) const { vector< int > ret; transform(begin(vs), end(vs), back_inserter(ret), [&](const T &x) { return lower_bound(begin(xs), end(xs), x) - begin(xs); }); return ret; } int get(const T &x) const { return lower_bound(begin(xs), end(xs), x) - begin(xs); } const T &operator[](int k) const { return xs[k]; } int size(){return xs.size();} }; // Compress(座標圧縮) ------------------------------ void solve() { ll h, w, n; cin >> h >> w >> n; vl sx(n), sy(n), gx(n), gy(n); rep(i, n){ CIN(sx[i], sy[i], gx[i], gy[i]); sx[i]--; sy[i]--; gx[i]--; gy[i]--; } set<ll> s; rep(i, n){ s.emplace(sx[i] * w + sy[i]); s.emplace(gx[i] * w + gy[i]); } s.emplace(0); s.emplace(h * w - 1); Compress<ll> X; for(auto x : s) X.add(x); X.init(); ll N = X.size(); v<vp> edge(N); ll st = X.get(0), g = X.get(h * w - 1); rep(i, n){ ll id = X.get(gx[i] * w + gy[i]); edge[id].emplace_back(g, abs(gx[i] - (h - 1)) + abs(gy[i] - (w - 1))); } rep(i, n){ ll si = X.get(sx[i] * w + sy[i]); ll gi = X.get(gx[i] * w + gy[i]); edge[si].emplace_back(gi, 1); rep(j, n){ ll id = X.get(gx[j] * w + gy[j]); edge[id].emplace_back(si, abs(sx[i] - gx[j]) + abs(sy[i] - gy[j])); id = X.get(sx[j] * w + sy[j]); edge[id].emplace_back(si, abs(sx[i] - sx[j]) + abs(sy[i] - sy[j])); } } rep(i, n) edge[st].emplace_back(X.get(sx[i] * w + sy[i]), sx[i] + sy[i]); vl dist(N, INF), visit(N); dist[X.get(0)] = 0; pqg<pl> Q; Q.emplace(0, X.get(0)); while(sz(Q)){ auto [d, id] = Q.top(); Q.pop(); if(visit[id]) continue; visit[id] = 1; for(auto [next, c] : edge[id]){ if(chmin(dist[next], dist[id] + c)) Q.emplace(dist[next], next); } } cout << min(dist[g], h + w - 2) << "\n"; } int main() { NYAN solve(); return 0; }