結果
問題 | No.576 E869120 and Rings |
ユーザー | shotoyoo |
提出日時 | 2021-09-26 20:33:17 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 575 ms / 1,500 ms |
コード長 | 3,889 bytes |
コンパイル時間 | 2,016 ms |
コンパイル使用メモリ | 207,744 KB |
実行使用メモリ | 19,784 KB |
最終ジャッジ日時 | 2024-07-05 16:58:12 |
合計ジャッジ時間 | 16,526 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 570 ms
19,488 KB |
testcase_01 | AC | 564 ms
19,588 KB |
testcase_02 | AC | 570 ms
19,760 KB |
testcase_03 | AC | 568 ms
19,524 KB |
testcase_04 | AC | 567 ms
19,664 KB |
testcase_05 | AC | 563 ms
19,540 KB |
testcase_06 | AC | 555 ms
19,668 KB |
testcase_07 | AC | 572 ms
19,540 KB |
testcase_08 | AC | 568 ms
19,604 KB |
testcase_09 | AC | 561 ms
19,664 KB |
testcase_10 | AC | 561 ms
19,552 KB |
testcase_11 | AC | 560 ms
19,784 KB |
testcase_12 | AC | 574 ms
19,468 KB |
testcase_13 | AC | 552 ms
19,664 KB |
testcase_14 | AC | 575 ms
19,588 KB |
testcase_15 | AC | 574 ms
19,768 KB |
testcase_16 | AC | 549 ms
19,664 KB |
testcase_17 | AC | 559 ms
19,540 KB |
testcase_18 | AC | 555 ms
19,464 KB |
testcase_19 | AC | 554 ms
19,636 KB |
testcase_20 | AC | 551 ms
19,664 KB |
testcase_21 | AC | 555 ms
19,536 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 1 ms
5,376 KB |
testcase_24 | AC | 1 ms
5,376 KB |
testcase_25 | AC | 1 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 1 ms
5,376 KB |
testcase_28 | AC | 1 ms
5,376 KB |
testcase_29 | AC | 1 ms
5,376 KB |
ソースコード
bool TEST = false; using namespace std; #include<bits/stdc++.h> #include<fstream> #define rep(i,n) for(int (i)=0;(i)<(ll)(n);i++) #define rrep(i,n) for(int (i)=(ll)(n)-1;(i)>=0;i--) #define range(i,start,end,step) for(int (i)=start;(i)<(ll)(end);(i)+=(step)) #define rrange(i,start,end,step) for(int (i)=start;(i)>(ll)(end);(i)+=(step)) #define dump(x) cerr << "Line " << __LINE__ << ": " << #x << " = " << (x) << "\n"; #define spa << " " << #define fi first #define se second #define all(a) (a).begin(),(a).end() #define allr(a) (a).rbegin(),(a).rend() using ld = long double; using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; template<typename T> using V = vector<T>; template<typename T> using VV = V<V<T>>; template<typename T, typename T2> using P = pair<T, T2>; template<typename T, typename T2> using M = map<T, T2>; template<typename T> using S = set<T>; template<typename T, typename T2> using UM = unordered_map<T, T2>; template<typename T> using PQ = priority_queue<T, V<T>, greater<T>>; template<typename T> using rPQ = priority_queue<T, V<T>, less<T>>; template<typename T> vector<T> make_vec(size_t n, T a) { return vector<T>(n, a); } template<typename... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec(ts...))>(n, make_vec(ts...)); } template<class SS, class T> ostream& operator << (ostream& os, const pair<SS, T> v){os << "(" << v.first << ", " << v.second << ")"; return os;} template<typename T> ostream& operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; } template<class T> ostream& operator<<(ostream& os, const vector<vector<T>> &v){ for(auto &e : v){os << e << "\n";} return os;} struct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; template <class T> void UNIQUE(vector<T> &x) {sort(all(x));x.erase(unique(all(x)), x.end());} 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 (a>b) { a=b; return 1; } return 0; } void fail() { cout << -1 << '\n'; exit(0); } inline int popcount(const int x) { return __builtin_popcount(x); } inline int popcount(const ll x) { return __builtin_popcountll(x); } template<typename T> void debug(vector<vector<T>>&v){for(ll i=0;i<v.size();i++) {cerr<<v[i][0];for(ll j=1;j<v[i].size();j++)cerr spa v[i][j];cerr<<"\n";}}; template<typename T> void debug(vector<T>&v){if(v.size()!=0)cerr<<v[0]; for(ll i=1;i<v.size();i++)cerr spa v[i]; cerr<<"\n";}; template<typename T> P<T,T> divmod(T a, T b) {return make_pair(a/b, a%b);} const ll INF = (1ll<<62); // const ld EPS = 1e-10; // const ld PI = acos(-1.0); void Main(){ ll n,k; cin >> n >> k; string ss; cin >> ss; V<ll> a(n); ll s = 0; rep(i,n) {a[i] = ss[i] - '0'; s += a[i];} auto sub = [n,k,a] (double x) { V<double> cum(2*n+1, 0); rep(i,2*n) { cum[i+1] = cum[i] + a[i%n]; } rep(i, 2*n+1) cum[i] -= i*x; double mm = 1e9; // debug(cum); range(j, k, 2*n, 1) { chmin(mm, cum[j-k]); if (cum[j]>=mm) { // cout << j-k spa j << endl; return true; } } return false; }; double ok = 0.0; double ng = 2.0; rep(i,50) { double mm = (ok+ng)/2; if (sub(mm)) ok = mm; else ng = mm; } cout << ok << endl; } int main(void){ std::ifstream in("tmp_in"); if (TEST) { std::cin.rdbuf(in.rdbuf()); std::cout << std::fixed << std::setprecision(15); } else { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(15); } Main(); }