結果
問題 | No.94 圏外です。(EASY) |
ユーザー | mai |
提出日時 | 2017-06-28 21:33:14 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,835 bytes |
コンパイル時間 | 3,756 ms |
コンパイル使用メモリ | 225,136 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-10-04 14:56:23 |
合計ジャッジ時間 | 3,948 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | AC | 3 ms
6,820 KB |
testcase_20 | WA | - |
testcase_21 | AC | 1 ms
6,820 KB |
コンパイルメッセージ
main.cpp: In member function '{anonymous}::MaiScanner& {anonymous}::MaiScanner::operator>>(std::string&)': main.cpp:72:9: warning: no return statement in function returning non-void [-Wreturn-type] 72 | } | ^
ソースコード
#pragma GCC optimize ("O3") #pragma GCC target ("avx") #include "bits/stdc++.h" // define macro "/D__MAI" using namespace std; typedef long long int ll; #define debugv(v) printf("L%d %s => ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl; #define debugm(m) printf("L%d %s is..\n",__LINE__,#m);for(auto v:m){for(auto e:v){cout<<e<<" ";}cout<<endl;} #define debuga(m,w) printf("L%d %s is => ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl; #define debugaa(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[x][y]<<" ";}cout<<endl;} #define debugaar(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;} #define ALL(v) (v).begin(),(v).end() #define repeat(l) for(auto cnt=0;cnt<(l);++cnt) #define iterate(b,e) for(auto cnt=(b);cnt!=(e);++cnt) #define MD 1000000007ll #define PI 3.1415926535897932384626433832795 template<typename T1, typename T2> ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; } #define TIME chrono::system_clock::now() #define MILLISEC(t) (chrono::duration_cast<chrono::milliseconds>(t).count()) namespace { std::chrono::system_clock::time_point ttt; void tic() { ttt = TIME; } void toc() { fprintf(stderr, "TIME : %lldms\n", MILLISEC(TIME - ttt)); } std::chrono::system_clock::time_point tle = TIME; #ifdef __MAI void safe_tle(int msec) { assert(MILLISEC(TIME - tle) < msec); } #else #define safe_tle(k) ; #endif } #ifdef __MAI #define getchar_unlocked getchar #define putchar_unlocked putchar #endif #ifdef __VSCC #define getchar_unlocked _getchar_nolock #define putchar_unlocked _putchar_nolock #endif namespace { #define isvisiablechar(c) (0x21<=(c)&&(c)<=0x7E) class MaiScanner { public: template<typename T> void input_integer(T& var) { var = 0; T sign = 1; int cc = getchar_unlocked(); for (; cc<'0' || '9'<cc; cc = getchar_unlocked()) if (cc == '-') sign = -1; for (; '0' <= cc&&cc <= '9'; cc = getchar_unlocked()) var = (var << 3) + (var << 1) + cc - '0'; var = var*sign; } inline int c() { return getchar_unlocked(); } inline MaiScanner& operator>>(int& var) { input_integer<int>(var); return *this; } inline MaiScanner& operator>>(long long& var) { input_integer<long long>(var); return *this; } inline MaiScanner& operator>>(string& var) { int cc = getchar_unlocked(); for (; !isvisiablechar(cc); cc = getchar_unlocked()); for (; isvisiablechar(cc); cc = getchar_unlocked()) var.push_back(cc); } }; } MaiScanner scanner; class qunionfind { public: vector<vector<int>> toItems; vector<int> data; qunionfind(int size) : data(size, -1) { toItems.resize(size); for (int i = 0; i<size; i++) { toItems[i].emplace_back(i); } } bool union_set(int x, int y) { x = root(x); y = root(y); if (x != y) { if (data[y] < data[x]) swap(x, y); toItems[x].insert(toItems[x].end(), ALL(toItems[y])); data[x] += data[y]; data[y] = x; } return x != y; } inline bool find_set(int x, int y) { return root(x) == root(y); } inline int root(int x) { return data[x] < 0 ? x : data[x] = root(data[x]); } inline int size(int x) { return -data[root(x)]; } }; int n; ll pos[1010][2]; inline ll hypo(ll x, ll y) { return x*x + y*y; } int main() { scanner >> n; if (n == 0) { cout << 1 << endl; return 0; } repeat(n) { int x, y; scanner >> x >> y; pos[cnt][0] = x; pos[cnt][1] = y; } // vector<pair<double, int>> edges; // edges.reserve(n*(n + 1) / 2 + 10); qunionfind uf(n); for (int i = 0; i < n-1; ++i) { ll x = pos[i][0]; ll y = pos[i][1]; for (int j = i+1; j < n; ++j) { if (hypo(x - pos[j][0], y - pos[j][1]) <= 100) { uf.union_set(i, j); } } } ll best = 0; vector<int> visit(n); for (int t = 0; t < n; ++t) { int head = uf.root(t); if (visit[head]) continue; visit[head] = 1; const vector<int>& items = uf.toItems[head]; int m = items.size(); for (int i = 0; i < m - 1; ++i) { for (int j = 1 + i; j < m; ++j) { best = max(hypo(pos[i][0] - pos[j][0], pos[i][1] - pos[j][1]), best); } } } printf("%.10f\n", sqrt(best) + 2); return 0; }