結果
問題 |
No.764 浮動点
|
ユーザー |
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提出日時 | 2018-12-20 21:17:43 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 56 ms / 1,500 ms |
コード長 | 3,140 bytes |
コンパイル時間 | 1,678 ms |
コンパイル使用メモリ | 165,928 KB |
実行使用メモリ | 6,940 KB |
最終ジャッジ日時 | 2024-09-25 09:11:35 |
合計ジャッジ時間 | 3,333 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 23 |
ソースコード
#include <bits/stdc++.h>#define ADD(a, b) a = (a + ll(b)) % mod#define MUL(a, b) a = (a * ll(b)) % mod#define MAX(a, b) a = max(a, b)#define MIN(a, b) a = min(a, b)#define rep(i, a, b) for(int i = int(a); i < int(b); i++)#define rer(i, a, b) for(int i = int(a) - 1; i >= int(b); i--)#define all(a) (a).begin(), (a).end()#define sz(v) (int)(v).size()#define pb push_back#define sec second#define fst first#define debug(fmt, ...) Debug(__LINE__, ":", fmt, ##__VA_ARGS__)using namespace std;typedef long long ll;typedef unsigned long long ull;typedef pair<int, int> pi;typedef pair<ll, ll> pl;typedef pair<int, pi> ppi;typedef vector<int> vi;typedef vector<ll> vl;typedef vector<vl> mat;typedef complex<double> comp;void Debug() {cout << '\n'; }template<class FIRST, class... REST>void Debug(FIRST arg, REST... rest){cout<<arg<<" ";Debug(rest...);}template<class T>ostream& operator<<(ostream& out,const vector<T>& v) {out<<"[";if(!v.empty()){rep(i,0,sz(v)-1)out<<v[i]<<", ";out<<v.back();}out<<"]";return out;}template<class S, class T>ostream& operator<<(ostream& out,const pair<S, T>& v){out<<"("<<v.first<<", "<<v.second<<")";return out;}const int MAX_N = 300010;const int MAX_V = 100010;const double eps = 1e-6;const ll mod = 1000000007;const int inf = 1 << 30;const ll linf = 1LL << 60;const double PI = 3.14159265358979323846;///////////////////////////////////////////////////////////////////////////////////////////////////int N;double R;double L[MAX_N];double Spre(double r1, double r2) {if(r1 + r2 <= R) return 0.0;else if(r1 + R <= r2) {return 1.0 / 2.0 * r1 * r1 * (2 * PI);}else if(r2 + R <= r1) {return 1.0 / 2.0 * r2 * r2 * (2 * PI);}else {double the1 = acos((-r2 * r2 + r1 * r1 + R * R) / (2 * r1 * R));double the2 = acos((-r1 * r1 + r2 * r2 + R * R) / (2 * r2 * R));// debug(r1, r2, the1, the2);return 1.0 / 2.0 * r1 * r1 * (2 * the1)+ 1.0 / 2.0 * r2 * r2 * (2 * the2)- 1.0 / 2.0 * r1 * r1 * sin(2 * the1)- 1.0 / 2.0 * r2 * r2 * sin(2 * the2);}}double S(double o1, double o2, double p1, double p2) {return Spre(o1, p1) + Spre(o2, p2) - Spre(o2, p1) - Spre(o1, p2);}void solve() {cin >> N;cin >> R;rep(i, 0, N + 1) cin >> L[i];rep(i, 1, N + 1) {vector<double> vec1;vector<double> vec2;rep(j, 0, i) vec1.pb(L[j]);rep(j, i, N + 1) vec2.pb(L[j]);sort(all(vec1));sort(all(vec2));int n1 = sz(vec1), n2 = sz(vec2);double o1 = accumulate(all(vec1), 0.0);double o2 = max(0.0, vec1.back() - accumulate(vec1.begin(), vec1.begin() + n1 - 1, 0.0));double p1 = accumulate(all(vec2), 0.0);double p2 = max(0.0, vec2.back() - accumulate(vec2.begin(), vec2.begin() + n2 - 1, 0.0));cout << S(o1, o2, p1, p2) << "\n";}}int main() {#ifndef LOCALios::sync_with_stdio(false);cin.tie(0);#endifcout << fixed;cout.precision(20);srand((unsigned int)time(NULL));#ifdef LOCAL//freopen("in.txt", "wt", stdout); //for testerfreopen("in.txt", "rt", stdin);#endifsolve();#ifdef LOCALcerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";#endifreturn 0;}