結果
| 問題 | No.105 arcの六角ボルト |
| ユーザー |
 jabee
|
| 提出日時 | 2023-03-24 00:27:46 |
| 言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 5,732 bytes |
| コンパイル時間 | 4,500 ms |
| コンパイル使用メモリ | 272,972 KB |
| 実行使用メモリ | 24,704 KB |
| 最終ジャッジ日時 | 2024-09-18 15:48:54 |
| 合計ジャッジ時間 | 16,897 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge4 |
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コンパイルメッセージ
main.cpp: In function 'void _main()':
main.cpp:149:15: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized]
149 | cout << ans *180/M_PI << "\n";
| ~~~~^~~~
main.cpp:118:10: note: 'ans' was declared here
118 | double ans;
| ^~~
ソースコード
#include<bits/stdc++.h>
#include <math.h>
#include <algorithm>
#include <iostream>
#include <vector>
#include <atcoder/all>
#include <atcoder/dsu>
#include <atcoder/segtree>
#include <atcoder/lazysegtree>
#include <atcoder/modint>
#include <atcoder/scc>
#include <chrono>
#include <random>
#include <cassert>
#ifndef templete
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(x) (x).begin(),(x).end()
//#include<boost/multiprecision/cpp_int.hpp>
//using namespace boost::multiprecision;
using namespace std;
using namespace atcoder;
//using atmint = modint998244353;
using atmint = modint;
using Graph = vector<vector<int>>;
using P = pair<long long,long long>;
//#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60;
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<int MOD> struct ModInt {
static const int Mod = MOD; unsigned x; ModInt() : x(0) { }
ModInt(signed sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
ModInt(signed long long sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
int get() const { return (int)x; }
ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; }
ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; }
ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; }
ModInt &operator/=(ModInt that) { return *this *= that.inverse(); }
ModInt operator+(ModInt that) const { return ModInt(*this) += that; }
ModInt operator-(ModInt that) const { return ModInt(*this) -= that; }
ModInt operator*(ModInt that) const { return ModInt(*this) *= that; }
ModInt operator/(ModInt that) const { return ModInt(*this) /= that; }
ModInt inverse() const { long long a = x, b = MOD, u = 1, v = 0;
while (b) { long long t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); }
return ModInt(u); }
bool operator==(ModInt that) const { return x == that.x; }
bool operator!=(ModInt that) const { return x != that.x; }
ModInt operator-() const { ModInt t; t.x = x == 0 ? 0 : Mod - x; return t; }
};
template<int MOD> ostream& operator<<(ostream& st, const ModInt<MOD> a) { st << a.get(); return st; };
template<int MOD> ModInt<MOD> operator^(ModInt<MOD> a, unsigned long long k) {
ModInt<MOD> r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; }
template<typename T, int FAC_MAX> struct Comb { vector<T> fac, ifac;
Comb(){fac.resize(FAC_MAX,1);ifac.resize(FAC_MAX,1);rep(i,1,FAC_MAX)fac[i]=fac[i-1]*i;
ifac[FAC_MAX-1]=T(1)/fac[FAC_MAX-1];rrep(i,FAC_MAX-2,1)ifac[i]=ifac[i+1]*T(i+1);}
T aPb(int a, int b) { if (b < 0 || a < b) return T(0); return fac[a] * ifac[a - b]; }
T aCb(int a, int b) { if (b < 0 || a < b) return T(0); return fac[a] * ifac[a - b] * ifac[b]; }
T nHk(int n, int k) { if (n == 0 && k == 0) return T(1); if (n <= 0 || k < 0) return 0;
return aCb(n + k - 1, k); } // nHk = (n+k-1)Ck : n is separator
T pairCombination(int n) {if(n%2==1)return T(0);return fac[n]*ifac[n/2]/(T(2)^(n/2));}
// combination of paris for n com.aCb(h+w-2,h-1);
};
//typedef ModInt<1000000007> mint;
typedef ModInt<998244353> mint;
//typedef ModInt<1000000000> mint;
Comb<mint, 2010101> com;
//vector dp(n+1,vector(n+1,vector<ll>(n+1,0)));
//vector dp(n+1,vector<ll>(n+1,0));
std::random_device seed_gen;
std::mt19937 engine(seed_gen());
string ye = "Yes"; string no = "No"; string draw = "Draw";
#endif // templete
//---------------------------------------------------------------------------------------------------
void dfs(ll from, ll par, vector<ll>&v, vector<vector<ll>>&pv, Graph &g){
v.push_back(from);
if(v.size() == 6){
pv.push_back(v);
}else{
for(auto to:g[from]){
if(to != par)dfs(to,from,v,pv,g);
}
}
v.pop_back();
}
void _main() {
ll t;
cin >> t;
cout << fixed << setprecision(10);
rep(ti,0,t){
ll n = 6;
vector<double>x(n),y(n);
rep(i,0,n)cin >> x[i] >> y[i];
double checkdist = 1.5;
Graph g(n);
rep(i,0,n)rep(j,0,n){
if(i == j)continue;
double dist = (x[i] - x[j])*(x[i] - x[j]) + (y[i] - y[j])*(y[i] - y[j]);
if(dist < checkdist)g[i].push_back(j);
}
vector<vector<ll>>pv;
rep(s,0,n){
vector<ll>v;
dfs(s,-1,v,pv,g);
}
double px , py;
px = 1;
py = 0;
double ans;
double minscore = infl;
for(auto p:pv){
double tempscore = infl;
double l = 0;
double r = 50.0 * M_PI / 180.0;
rep(j,0,100){
double c1 = (l * 2 + r) / 3;
double c2 = (l + r* 2) / 3;
vector<double>c1x(n),c1y(n),c2x(n),c2y(n);
double c1score = 0;
double c2score = 0;
rep(i,0,n){
double add = M_PI / 3.0 * i;
c1x[i] = px * cosl(c1 + add) - py * sinl(c1 + add);
c1y[i] = py * cosl(c1 + add) + px * sinl(c1 + add);
c2x[i] = px * cosl(c2 + add) - py * sinl(c2 + add);
c2y[i] = py * cosl(c2 + add) + px * sinl(c2 + add);
c1score += (x[p[i]] - c1x[i])*(x[p[i]] - c1x[i]) + (y[p[i]] - c1y[i])*(y[p[i]] - c1y[i]);
c2score += (x[p[i]] - c2x[i])*(x[p[i]] - c2x[i]) + (y[p[i]] - c2y[i])*(y[p[i]] - c2y[i]);
}
chmin(tempscore,c1score);
if(c1score < c2score)r = c2;
else l = c1;
}
if(chmin(minscore,tempscore))ans = l;
}
cout << ans *180/M_PI << "\n";
}
}