結果
問題 | No.1478 Simple Sugoroku |
ユーザー | Ogtsn99 |
提出日時 | 2021-04-16 23:45:43 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 57 ms / 2,000 ms |
コード長 | 4,018 bytes |
コンパイル時間 | 1,926 ms |
コンパイル使用メモリ | 203,128 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-03 04:48:56 |
合計ジャッジ時間 | 4,818 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 | 1 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 51 ms
6,944 KB |
testcase_14 | AC | 48 ms
6,940 KB |
testcase_15 | AC | 55 ms
6,940 KB |
testcase_16 | AC | 52 ms
6,944 KB |
testcase_17 | AC | 54 ms
6,940 KB |
testcase_18 | AC | 53 ms
6,940 KB |
testcase_19 | AC | 52 ms
6,944 KB |
testcase_20 | AC | 52 ms
6,940 KB |
testcase_21 | AC | 55 ms
6,940 KB |
testcase_22 | AC | 54 ms
6,940 KB |
testcase_23 | AC | 52 ms
6,940 KB |
testcase_24 | AC | 57 ms
6,940 KB |
testcase_25 | AC | 53 ms
6,940 KB |
testcase_26 | AC | 53 ms
6,944 KB |
testcase_27 | AC | 53 ms
6,940 KB |
testcase_28 | AC | 48 ms
6,944 KB |
testcase_29 | AC | 50 ms
6,940 KB |
testcase_30 | AC | 53 ms
6,944 KB |
testcase_31 | AC | 48 ms
6,944 KB |
testcase_32 | AC | 48 ms
6,940 KB |
testcase_33 | AC | 50 ms
6,944 KB |
testcase_34 | AC | 50 ms
6,944 KB |
testcase_35 | AC | 51 ms
6,940 KB |
testcase_36 | AC | 50 ms
6,940 KB |
testcase_37 | AC | 51 ms
6,940 KB |
testcase_38 | AC | 51 ms
6,940 KB |
testcase_39 | AC | 54 ms
6,940 KB |
testcase_40 | AC | 50 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define int long long #define rep(i, n) for(int (i)=0;(i)<(n);(i)++) #define rrep(i, n) for(int (i)=((n)-1);(i)>=0;(i)--) #define itn int #define miele(v) min_element(v.begin(), v.end()) #define maele(v) max_element(v.begin(), v.end()) #define SUM(v) accumulate(v.begin(), v.end(), 0.0) #define lb(a, key) lower_bound(a.begin(),a.end(),key) #define ub(a, key) upper_bound(a.begin(),a.end(),key) #define COUNT(a, key) count(a.begin(), a.end(), key) #define BITCOUNT(x) __builtin_popcount(x) #define pb push_back #define all(x) (x).begin(),(x).end() #define F first #define S second using P = pair<int, int>; using WeightedGraph = vector<vector<P>>; using UnWeightedGraph = vector<vector<int>>; using Real = long double; using Point = complex<Real>; //Point and Vector2d is the same! // p.real() or real(p) -> x軸, p.imag() or imag(p) -> y軸 using Vector2d = complex<Real>; const int MOD = 1000000007; const long long INF = 1LL << 60; const double EPS = 1e-15; const double PI = 3.14159265358979323846; template<typename T> int getIndexOfLowerBound(vector<T> &v, T x) { return lower_bound(v.begin(), v.end(), x) - v.begin(); } template<typename T> int getIndexOfUpperBound(vector<T> &v, T x) { return upper_bound(v.begin(), v.end(), x) - v.begin(); } template<class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } #define repi(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++) istream &operator>>(istream &is, Point &p) { Real a, b; is >> a >> b; p = Point(a, b); return is; } template<typename T, typename U> istream &operator>>(istream &is, pair<T, U> &p_var) { is >> p_var.first >> p_var.second; return is; } template<typename T> istream &operator>>(istream &is, vector<T> &vec) { for (T &x : vec) is >> x; return is; } template<typename T, typename U> ostream &operator<<(ostream &os, pair<T, U> &pair_var) { os << pair_var.first << ' ' << pair_var.second; return os; } template<typename T> ostream &operator<<(ostream &os, vector<T> &vec) { for (int i = 0; i < vec.size(); i++) os << vec[i] << ' '; return os; } template<typename T, typename U> ostream &operator<<(ostream &os, vector<pair<T, U>> &vec) { for (int i = 0; i < vec.size(); i++) os << vec[i] << '\n'; return os; } template<typename T> ostream &operator<<(ostream &os, vector<vector<T>> &df) { for (auto &vec : df) os << vec; return os; } template<typename T, typename U> ostream &operator<<(ostream &os, map<T, U> &map_var) { repi(itr, map_var) { os << *itr << ' '; itr++; itr--; } return os; } template<typename T> ostream &operator<<(ostream &os, set<T> &set_var) { repi(itr, set_var) { os << *itr << ' '; itr++; itr--; } return os; } void print() { cout << endl; } template<class Head, class... Tail> void print(Head &&head, Tail &&... tail) { cout << head; if (sizeof...(tail) != 0) cout << " "; print(forward<Tail>(tail)...); } long double ans = 0; bool isOk(long double x, vector <long double> &b) { int n = b.size(); vector <long double> dp(b.size()); long double sum = 0; rrep(i, n-1) { sum += dp[i] = min(dp[i+1] + b[i+1] - b[i], 1.0 + x); } ans = dp[0]; if(sum/n > x) return false; else return true; } signed main(void) { cin.tie(0); ios::sync_with_stdio(false); int n, m; cin>>n>>m; vector <long double> b(m); cin>>b; long double ng = -1, ok = 1145141919; //範囲にめっちゃ注意! while (abs(ok-ng) > 0.000001) { long double mid = ng + (ok - ng) / 2.0; if(isOk(mid, b)) { ok = mid; } else { ng = mid; } } printf("%.10Lf\n", ans + (b[0] - 1) + (n - b[m-1])); }