結果
| 問題 |
No.5007 Steiner Space Travel
|
| コンテスト | |
| ユーザー |
ぴぃいいいい
|
| 提出日時 | 2025-03-06 02:32:55 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,318 bytes |
| コンパイル時間 | 8,056 ms |
| コンパイル使用メモリ | 351,984 KB |
| 実行使用メモリ | 8,612 KB |
| スコア | 0 |
| 最終ジャッジ日時 | 2025-03-06 02:34:04 |
| 合計ジャッジ時間 | 68,994 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | TLE * 30 |
ソースコード
#include<bits/stdc++.h>
#include<atcoder/all>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace atcoder;
using namespace __gnu_pbds;
using mint = modint998244353;
#define Yes(n) cout << ((n) ? "Yes" : "No" ) << endl
#define print(var) std::cout<<#var<<"="<<(var)<<std::endl
#define all(a) (a).begin(), (a).end()
#define vi vector<int>
#define vvi vector<vi>
#define vvvi vector<vvi>
#define ll long long
#define vll vector<ll>
#define vvll vector<vll>
#define vvvll vector<vvll>
#define vvvvll vector<vvvll>
#define vmi vector<mint>
#define vvmi vector<vmi>
#define vvvmi vector<vvmi>
#define vvvvmi vector<vvvmi>
#define vvvvvmi vector<vvvvmi>
#define vs vector<string>
#define pii pair<int,int>
#define vpii vector<pii>
#define vvpii vector<vpii>
#define bit(x,i)(((x)>>(i))&1)
#define inf (1<<30)
#define INF (1ll<<60)
#define X first
#define Y second
template<typename T> inline bool chmax(T &a, T b) { return ((a < b) ? (a = b, true) : (false)); }
template<typename T> inline bool chmin(T &a, T b) { return ((a > b) ? (a = b, true) : (false)); }
template<class T, class F> T nibutan(T ok, T ng, const F &f){while(abs(ok-ng)>1){T mid = (ok+ng)/2;(f(mid)?ok:ng) = mid;}return ok;}
template<class T> vector<T> digit(T x){vector<T> res; while(x>0){res.push_back(x%10); x/=10;} return res;}
ostream& operator<<(ostream& os, const mint& x){ os << x.val(); return os; }
template<class T> istream &operator>>(istream &is, vector<T> &vec){ for(auto &v:vec) is >> v; return is; }
template<class T> void coutvector(vector<T> x){ for(int i=0;i<(int)x.size();i++){if(i>0) cout<<" ";cout<<x[i];}cout<<endl;}
using Set = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>;
template<class S, class T> using Unordered_Map = gp_hash_table<S,T>;
#ifdef LOCAL
#include<dump.hpp>
CPP_DUMP_DEFINE_EXPORT_OBJECT(mint,val());
#else
#define cpp_dump
#endif
inline double get_time() {
#ifdef ONLINE_JUDGE
timeval tv; gettimeofday(&tv, NULL);
return tv.tv_sec * 1e3 + tv.tv_usec * 1e-3;
#else
using namespace std::chrono;
return duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count();
#endif
}
double start_time = get_time();
inline double elapsed(){ return get_time() - start_time; }
static uint32_t xor128(void){
static uint32_t x=123456789,y=362436069,z=521288629,w=88675123;
uint32_t t;
t=(x^(x<<11));x=y;y=z;z=w; return( w=(w^(w>>19))^(t^(t>>8)) );
}
inline int randrange(int a){return (uint64_t(xor128()) * a >> 32); }
inline int randrange(int a, int b){ return randrange(b-a)+a; }
inline double randDouble(double a,double b){return a+(b-a)*xor128()/(double)ULONG_MAX;}
const int N = 100, M = 8;
vector<int> a(N),b(N);
void in(){
int tmp; cin>>tmp>>tmp;
for(int i=0;i<N;i++){
cin>> a[i] >> b[i];
}
}
int dist(int x, int y){
return (a[x]-a[y])*(a[x]-a[y]) + (b[x]-b[y])*(b[x]-b[y]);
}
vi init_sol(){
vi ret(N); iota(all(ret),0);
ret.push_back(0);
return ret;
}
void solve(){
vi sol = init_sol();
int now_score = 0;
for(int i=0;i<N;i++){
now_score += 25*dist(sol[i],sol[i+1]);
}
int best_score = now_score;
cerr << "init score: " << now_score << endl;
int iter = 0;
while(elapsed() < 1900){
int l,r;
do{
l = randrange(1,N);
r = randrange(1,N);
}while(l==r);
if(l>r) swap(l,r);
int diff = 0;
diff -= 25*(dist(sol[l-1],sol[l]) + dist(sol[r],sol[r+1]));
diff += 25*(dist(sol[l-1],sol[r]) + dist(sol[l],sol[r+1]));
if(diff < 0){
reverse(sol.begin()+l,sol.begin()+r+1);
now_score += diff;
if(chmin(best_score,now_score)){
#ifndef ONLINE_JUDGE
cerr << "update score: " << now_score << endl;
#endif
best_score = now_score;
}
}
iter++;
}
#ifndef ONLINE_JUDGE
cerr << "iter: " << iter << endl;
#endif
for(int i=0;i<M;i++) cout << 0 << " " << 0 << endl;
cout << sol.size() << endl;
for(int i=0;i<sol.size();i++){
cout << 1 << " " << sol[i]+1 << endl;
}
}
int main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
in();
solve();
}
ぴぃいいいい