結果
問題 | No.2354 Poor Sight in Winter |
ユーザー | apricity |
提出日時 | 2023-06-17 04:29:11 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 39 ms / 2,000 ms |
コード長 | 3,625 bytes |
コンパイル時間 | 1,283 ms |
コンパイル使用メモリ | 138,708 KB |
実行使用メモリ | 5,632 KB |
最終ジャッジ日時 | 2024-06-24 21:40:48 |
合計ジャッジ時間 | 2,502 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 24 ms
5,504 KB |
testcase_12 | AC | 24 ms
5,376 KB |
testcase_13 | AC | 39 ms
5,504 KB |
testcase_14 | AC | 36 ms
5,504 KB |
testcase_15 | AC | 30 ms
5,504 KB |
testcase_16 | AC | 31 ms
5,632 KB |
testcase_17 | AC | 34 ms
5,504 KB |
testcase_18 | AC | 13 ms
5,376 KB |
testcase_19 | AC | 26 ms
5,376 KB |
testcase_20 | AC | 15 ms
5,376 KB |
testcase_21 | AC | 3 ms
5,376 KB |
testcase_22 | AC | 8 ms
5,376 KB |
testcase_23 | AC | 9 ms
5,376 KB |
testcase_24 | AC | 19 ms
5,376 KB |
testcase_25 | AC | 6 ms
5,376 KB |
testcase_26 | AC | 4 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 3 ms
5,376 KB |
ソースコード
#include<iostream> #include<string> #include<vector> #include<algorithm> #include<numeric> #include<cmath> #include<utility> #include<tuple> #include<cstdint> #include<cstdio> #include<iomanip> #include<map> #include<queue> #include<set> #include<stack> #include<deque> #include<unordered_map> #include<unordered_set> #include<bitset> #include<cctype> #include<chrono> #include<random> #include<cassert> #include<cstddef> #include<iterator> #include<string_view> #include<type_traits> #ifdef LOCAL # include "debug_print.hpp" # define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define debug(...) (static_cast<void>(0)) #endif using namespace std; #define rep(i,n) for(int i=0; i<(n); i++) #define rrep(i,n) for(int i=(n)-1; i>=0; i--) #define FOR(i,a,b) for(int i=(a); i<(b); i++) #define RFOR(i,a,b) for(int i=(b-1); i>=(a); i--) #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ); #define pb push_back using ll = long long; using D = double; using LD = long double; using P = pair<ll, ll>; template<typename T> using PQ = priority_queue<T,vector<T>>; template<typename T> using minPQ = priority_queue<T, vector<T>, greater<T>>; 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; } void yesno(bool flag) {cout << (flag?"Yes":"No") << "\n";} template<typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << p.first << " " << p.second; return os; } template<typename T, typename U> istream &operator>>(istream &is, pair<T, U> &p) { is >> p.first >> p.second; return is; } template<typename T> ostream &operator<<(ostream &os, const vector<T> &v) { int s = (int)v.size(); for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i]; return os; } template<typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &x : v) is >> x; return is; } void in() {} template<typename T, class... U> void in(T &t, U &...u) { cin >> t; in(u...); } void out() { cout << "\n"; } template<typename T, class... U, char sep = ' '> void out(const T &t, const U &...u) { cout << t; if (sizeof...(u)) cout << sep; out(u...); } void outr() {} template<typename T, class... U, char sep = ' '> void outr(const T &t, const U &...u) { cout << t; outr(u...); } int main(){ ios_base::sync_with_stdio(false); cin.tie(nullptr); const ll INF = 1e18; int n,k,sx,sy,gx,gy; in(n,k,sx,sy,gx,gy); vector<int> x(n+2),y(n+2); rep(i,n) in(x[i],y[i]); x[n] = sx; y[n] = sy; x[n+1] = gx; y[n+1] = gy; int ok = 200000, ng = 0; while(ok-ng > 1){ int mid = (ok+ng)/2; ll g[n+2][n+2]; rep(i,n+2)rep(j,n+2){ if(i == j){ g[i][j] = 0; continue; } int dist = ( abs(x[i]-x[j]) + abs(y[i]-y[j])- 1) / mid; g[i][j] = dist; } minPQ<P> pq; pq.push({0,n}); vector<ll> res(n+2, INF); res[n] = 0; while(pq.size()){ auto [d, v] = pq.top(); pq.pop(); if (res[v] < d) continue; rep(nv,n+2){ if(nv == v) continue; ll cost = g[v][nv]; if(res[nv] > cost + d){ res[nv] = cost + d; pq.push({res[nv],nv}); } } } if(res[n+1] <= k) ok = mid; else ng = mid; } out(ok); }