結果
問題 | No.94 圏外です。(EASY) |
ユーザー | daleksprinter |
提出日時 | 2019-03-16 22:22:14 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 4 ms / 5,000 ms |
コード長 | 3,936 bytes |
コンパイル時間 | 1,692 ms |
コンパイル使用メモリ | 180,088 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-04 13:54:32 |
合計ジャッジ時間 | 2,681 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 2 ms
5,376 KB |
testcase_03 | AC | 2 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 | 2 ms
5,376 KB |
testcase_08 | AC | 3 ms
5,376 KB |
testcase_09 | AC | 3 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 3 ms
5,376 KB |
testcase_12 | AC | 3 ms
5,376 KB |
testcase_13 | AC | 3 ms
5,376 KB |
testcase_14 | AC | 3 ms
5,376 KB |
testcase_15 | AC | 3 ms
5,376 KB |
testcase_16 | AC | 4 ms
5,376 KB |
testcase_17 | AC | 3 ms
5,376 KB |
testcase_18 | AC | 3 ms
5,376 KB |
testcase_19 | AC | 4 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; /* macro */ #define rep(i,a,b) for(int i=a;i<b;i++) #define revrep(i,a,b) for(int i = a; i > b; i--) #define int long long #define exist(s,e) ((s).find(e)!=(s).end()) #define all(v) (v).begin(), (v).end() #define each(s,itr) for(auto (itr) = s.begin(); (itr) != s.end(); (itr)++) #define sum(v) accumulate(all(v), (0LL)) #define isin(a, b, c) (b <= a && a <= c) #define println cout << "\n"; #define sz(v) (int)v.size() #define bin(x) static_cast<bitset<16> >(x) /* alias */ template<class T> using vec = vector<T>; typedef vector<int> vi; typedef pair<int, int> pi; typedef tuple<int, int, int> ti; typedef map<int, int> mi; typedef set<int> si; /* constant */ const int inf = 1LL << 62; const int mod = 1e9 + 7; const int dx[8]={1,0,-1,0,-1,1,-1,1}; const int dy[8]={0,1,0,-1,-1,-1,1,1}; const string alphabet = "abcdefghijklmnopqrstuvwxyz"; /* io_method */ int input(){int tmp;cin >> tmp;return tmp;} string raw_input(){string tmp;cin >> tmp;return tmp;} template<class T> void printx(T n){cout << n;} template<class T, class U> void printx(pair<T, U> p){cout << "(" << p.first << "," << p.second << ")";} template<class T, class U, class V> void printx(tuple<T, U, V> t){cout << "{" << get<0>(t) << "," << get<1>(t) <<"," << get<2>(t) << "}" << endl;} template<class T> void printx(vector<T> v){cout << "{";rep(i,0,v.size()){printx(v[i]);if(i != v.size()-1)printx(",");}cout << "}";} template<class T> void print(T n){printx(n);cout << endl;} template<class T> void print(set<T> s){cout << "{";each(s, e){if(e != s.begin()) printx(",");printx(*e);}cout << "}" << endl;} template<class T, class U> void print(map<T, U> mp){cout << "{";each(mp, e){cout << "(" << e -> first << "," << e -> second << ")";}cout << "}" << endl;} template<class T> void printans(vec<T> v){rep(i,0,sz(v)){cout << v[i] << (i == sz(v) - 1 ? "" : " ");}cout << endl;} /* general_method */ 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<class T>T cut(T &a, int l, int r){return T(a.begin()+l, a.begin()+r);} /* main */ int n; int x[1000]; int y[1000]; void in(){ cin >> n; rep(i,0,n){ int xi, yi; cin >> xi >> yi; x[i] = xi; y[i] = yi; } } struct Union_Find{ vector<int> par; vector<int> rank; Union_Find(int n){ for(int i = 0; i < n; i++){ par.push_back(i); rank.push_back(0); } } int root(int x){ if(par[x] == x){ return x; }else{ return par[x] = root(par[x]); } } void merge(int x, int y){ x = root(x); y = root(y); if(x == y) return; if(rank[x] < rank[y]){ par[x] = y; }else{ par[y] = x; if(rank[x] == rank[y]) rank[x]++; } } bool same(int x, int y){ return root(x) == root(y); } mi comp(){ mi ret; rep(i,0,sz(par)) ret[root(i)]++; return ret; } }; double getdist(int i, int j){ int subx = abs(x[i] - x[j]); int suby = abs(y[i] - y[j]); int dist = subx * subx + suby * suby; return sqrt(dist); } void solve(){ if(n == 0){ print(1); return; } Union_Find uf(n); rep(i,0,n){ rep(j,i + 1, n){ if(getdist(i,j) <= 10.0) uf.merge(i, j); } } vec<vi> comps(n); rep(i,0,n){ comps[uf.root(i)].push_back(i); } double ans = 0; rep(i,0,n){ int s = sz(comps[i]); rep(j,0,s){ rep(k,j + 1, s){ chmax(ans, getdist(comps[i][j], comps[i][k])); } } } printf("%0.9f\n", ans + 2); } signed main(){ cin.tie(0); ios::sync_with_stdio(false); in(); solve(); }