結果
問題 | No.5019 Hakai Project |
ユーザー | bin101 |
提出日時 | 2023-11-17 16:47:32 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 165 ms / 3,000 ms |
コード長 | 22,406 bytes |
コンパイル時間 | 4,851 ms |
コンパイル使用メモリ | 278,712 KB |
実行使用メモリ | 14,424 KB |
スコア | 2,227,920,480 |
最終ジャッジ日時 | 2023-11-17 16:47:50 |
合計ジャッジ時間 | 17,597 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge11 |
純コード判定しない問題か言語 |
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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 | 132 ms
6,676 KB |
testcase_01 | AC | 130 ms
7,168 KB |
testcase_02 | AC | 131 ms
6,784 KB |
testcase_03 | AC | 143 ms
6,676 KB |
testcase_04 | AC | 133 ms
6,784 KB |
testcase_05 | AC | 159 ms
11,572 KB |
testcase_06 | AC | 135 ms
6,676 KB |
testcase_07 | AC | 133 ms
6,676 KB |
testcase_08 | AC | 127 ms
6,676 KB |
testcase_09 | AC | 136 ms
6,676 KB |
testcase_10 | AC | 150 ms
8,688 KB |
testcase_11 | AC | 144 ms
6,784 KB |
testcase_12 | AC | 146 ms
6,676 KB |
testcase_13 | AC | 142 ms
10,624 KB |
testcase_14 | AC | 159 ms
6,676 KB |
testcase_15 | AC | 145 ms
8,576 KB |
testcase_16 | AC | 140 ms
11,608 KB |
testcase_17 | AC | 157 ms
6,676 KB |
testcase_18 | AC | 122 ms
6,676 KB |
testcase_19 | AC | 146 ms
6,676 KB |
testcase_20 | AC | 140 ms
7,296 KB |
testcase_21 | AC | 138 ms
6,676 KB |
testcase_22 | AC | 163 ms
7,272 KB |
testcase_23 | AC | 148 ms
6,676 KB |
testcase_24 | AC | 135 ms
6,676 KB |
testcase_25 | AC | 145 ms
6,676 KB |
testcase_26 | AC | 124 ms
7,936 KB |
testcase_27 | AC | 155 ms
6,676 KB |
testcase_28 | AC | 162 ms
12,756 KB |
testcase_29 | AC | 165 ms
7,916 KB |
testcase_30 | AC | 122 ms
6,676 KB |
testcase_31 | AC | 136 ms
6,912 KB |
testcase_32 | AC | 136 ms
6,676 KB |
testcase_33 | AC | 135 ms
6,676 KB |
testcase_34 | AC | 120 ms
6,676 KB |
testcase_35 | AC | 140 ms
6,676 KB |
testcase_36 | AC | 126 ms
6,784 KB |
testcase_37 | AC | 143 ms
8,320 KB |
testcase_38 | AC | 121 ms
6,912 KB |
testcase_39 | AC | 164 ms
8,576 KB |
testcase_40 | AC | 115 ms
6,676 KB |
testcase_41 | AC | 129 ms
6,676 KB |
testcase_42 | AC | 144 ms
7,168 KB |
testcase_43 | AC | 146 ms
7,040 KB |
testcase_44 | AC | 148 ms
6,676 KB |
testcase_45 | AC | 137 ms
6,676 KB |
testcase_46 | AC | 158 ms
6,676 KB |
testcase_47 | AC | 131 ms
9,216 KB |
testcase_48 | AC | 159 ms
14,424 KB |
testcase_49 | AC | 152 ms
6,784 KB |
ソースコード
/* TODO: */ //#define NDEBUG //#define ONLINE_JUDGE #ifndef ONLINE_JUDGE //#define OPTUNA #endif #ifdef ONLINE_JUDGE #define NDEBUG #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #endif #include<bits/stdc++.h> using namespace std; using ll=long long int; //using Int=__int128; #define mask(x) ((1LL<<x)-1) #define ALL(A) A.begin(),A.end() template<typename T1,typename T2> bool chmin(T1 &a,T2 b){if(a<=b)return 0; a=b; return 1;} template<typename T1,typename T2> bool chmax(T1 &a,T2 b){if(a>=b)return 0; a=b; return 1;} template<typename T> int bitUP(T x,int a){return (x>>a)&1;} enum Dir{ Right, Down, Left, Up }; //→ ↓ ← ↑ int dh[4]={0,1,0,-1}, dw[4]={1,0,-1,0}; //上から時計回り //int dx[8]={0,1,1,1,0,-1,-1,-1}, dy[8]={1,1,0,-1,-1,-1,0,1}; long double EPS = 1e-6; const ll INF=(1LL<<62); const int MAX=(1<<30); using pii=pair<int,int>; using pil=pair<int,ll>; using pli=pair<ll,int>; using pll=pair<ll,ll>; using psi=pair<string,int>; using pis=pair<int,string>; using psl=pair<string,ll>; using pls=pair<ll,string>; using pss=pair<string,string>; template<class T> using minimum_queue=priority_queue<T,vector<T>,greater<T>>; using Graph=vector<vector<int>>; using i8=int8_t; using i16=int16_t; using i32=int32_t; using i64=int64_t; using u8=uint8_t; using u16=uint16_t; using u32=uint32_t; using u64=uint64_t; void FastIO(){ ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(20); } //0-indexed vector cin template<typename T> inline istream &operator>>(istream &is,vector<T> &v) { for(size_t i=0;i<v.size();i++) is>>v[i]; return is; } //0-indexed vector cin template<typename T> inline istream &operator>>(istream &is,vector<vector<T>> &v) { for(size_t i=0;i<v.size();i++){ is>>v[i]; } return is; } struct Xor32{ using u32=uint32_t; u32 x=1234567; inline u32 rnd_make(){ x^=(x<<13); x=x^(x>>17); return x=x^(x<<5); } inline u32 operator()(){ return rnd_make(); } //[a,b) inline int operator()(int a,int b){ int dis=b-a; int add=rnd_make()%dis; return a+add; } //[0,b) inline int operator()(int b){ return rnd_make()%b; } //http://web.archive.org/web/20200105011004/https://topcoder.g.hatena.ne.jp/tomerun/20171216/ //[0,b)の中から異なる2つを選ぶ first<second inline pair<int,int> two(int b){ assert(b>=2); int v1=rnd_make()%b; int v2=rnd_make()%(b-1); if (v2>=v1) return {v1,v2+1}; else return {v2,v1}; } }; struct Xor64{ u64 x=1234567; inline u64 rnd_make(){ x ^= x << 13; x ^= x >> 7; x ^= x << 17; return x; } inline u64 operator()(){ return rnd_make(); } }; struct Timer{ chrono::high_resolution_clock::time_point st; float local; Timer(){ #ifndef ONLINE_JUDGE local=1.0; #endif start(); } void start(){ st=chrono::high_resolution_clock::now(); } int span()const{ auto now=chrono::high_resolution_clock::now(); return chrono::duration_cast<chrono::milliseconds>(now-st).count(); } }; struct TestTimer{ chrono::high_resolution_clock::time_point st; unordered_map<string,ll> sum_time; unordered_map<string,chrono::high_resolution_clock::time_point> start_time; TestTimer(){} void start(const string &s){ #ifndef ONLINE_JUDGE start_time[s]=chrono::high_resolution_clock::now(); #endif } void end(const string &s){ #ifndef ONLINE_JUDGE auto now=chrono::high_resolution_clock::now(); sum_time[s]+=chrono::duration_cast<chrono::nanoseconds>(now-start_time[s]).count(); #endif } void output()const{ #ifndef ONLINE_JUDGE for(auto m:sum_time){ cerr<<m.first<<": "<<m.second/1e6<<"ms"<<endl; } #endif } }; struct TestCounter{ unordered_map<string,ll> cnt; TestCounter(){} void count(const string &s){ #ifndef ONLINE_JUDGE cnt[s]++; #endif } void output()const{ #ifndef ONLINE_JUDGE for(auto m:cnt){ cerr<<m.first<<": "<<m.second<<endl; } #endif } }; Timer TIME; Xor32 Rand32; Xor64 Rand64; TestTimer testTimer; TestCounter testCounter; //https://atcoder.jp/contests/asprocon9/submissions/34659956 template<class T,int CAPACITY> class DynamicArray{ public: array<T,CAPACITY> array_={}; int size_=0; DynamicArray(){} DynamicArray(int n){ resize(n); } void push_back(const T &e){ array_[size_++]=e; } void pop_back(){ size_--; } inline T& operator[](int index){ return array_[index]; } inline const T& operator[](int index) const { return array_[index]; } inline int size()const{ return size_; } inline T& back(){ return array_[size_-1]; } inline auto begin() -> decltype(array_.begin()) { return array_.begin(); } inline auto end() -> decltype(array_.begin()) { return array_.begin() + size_; } inline auto begin() const -> decltype(array_.begin()) { return array_.begin(); } inline auto end() const -> decltype(array_.begin()) { return array_.begin() + size_; } inline void resize(int new_size){ size_=new_size; } void operator=(const DynamicArray &e){ for(int i=0;i<e.size_;i++){ array_[i]=e[i]; } size_=e.size_; } void clear(){ size_=0; } //O(1) //末尾と入れ替える。順序が保持されないが高速 void swap_remove(int idx){ array_[idx]=array_[size_-1]; size_--; } //O(size) //順序を気にしない場合、swap_removeの方がいい void remove(int idx){ for(int i=idx;i<size_-1;i++){ array_[i]=array_[i+1]; } size_--; } void fill(T x){ for(int i=0;i<size_;i++){ array_[i]=x; } } }; //ソート template<typename T> inline void vsort(vector<T> &v){ sort(v.begin(),v.end()); } //逆順ソート template<typename T> inline void rvsort(vector<T> &v){ sort(v.rbegin(),v.rend()); } //1ビットの数を返す inline int popcount(int x){ return __builtin_popcount(x); } //1ビットの数を返す inline int popcount(ll x){ return __builtin_popcountll(x); } template<typename T> inline void Compress(vector<T> &C){ sort(C.begin(),C.end()); C.erase(unique(C.begin(),C.end()),C.end()); } //要素数n 初期値x template<typename T> inline vector<T> vmake(size_t n,T x){ return vector<T>(n,x); } //a,b,c,x data[a][b][c] 初期値x template<typename... Args> auto vmake(size_t n,Args... args){ auto v=vmake(args...); return vector<decltype(v)>(n,move(v)); } //vは昇順 bool is_in(const vector<int> &v,int x){ int n=v.size(); if(n==0) return false; int ng=-1,ok=n-1; while(ok-ng!=1){ int mid=(ok+ng)/2; if(v[mid]<x) ng=mid; else ok=mid; } if(v[ok]==x) return true; return false; } template<typename T > struct edge { int to; T cost; int id; edge()=default; edge(int to, T cost,int id) : to(to), cost(cost), id(id) {} }; template<class T > struct Edge { int from, to,id; T cost; Edge(int from,int to,T cost,int id):from(from),to(to),cost(cost),id(id){} Edge()=default; bool operator<(const Edge<T> &e){ return cost<e.cost; } bool operator<=(const Edge<T> &e){ return cost<=e.cost; } }; template<typename T> using WeightGraph=vector<vector<edge<T>>>; //vector cout template<typename T> inline ostream &operator<<(ostream &os,const vector<T> &v) { bool sp=true; if(string(typeid(T).name())=="c") sp=false; for(size_t i=0;i<v.size();i++){ if(i and sp) os<<" "; os<<v[i]; } return os; } //vector<vector> cout template<typename T> inline ostream &operator<<(ostream &os,const vector<vector<T>> &v) { for(size_t i=0;i<v.size();i++){ os<<v[i]; if(i+1!=v.size()) os<<"\n"; } return os; } //pair cout template<typename T, typename U> inline ostream &operator<<(ostream &os,const pair<T,U> &p) { os<<p.first<<" "<<p.second; return os; } //map cout template<typename F, typename S> inline ostream &operator<<(ostream &os,const map<F,S> &M) { bool first=false; for(auto x:M){ if(first) os<<endl; first=true; os<<x; } return os; } //set cout template<typename T> inline ostream &operator<<(ostream &os,const set<T> &S) { bool first=false; for(auto x:S){ if(first) os<<endl; first=true; os<<x; } return os; } //pair cin template<typename T, typename U> inline istream &operator>>(istream &is,pair<T,U> &p) { is>>p.first>>p.second; return is; } template<typename T> void append(vector<T> &v,const vector<T> &vp){ for(auto p:vp){ v.push_back(p); } } //Fisher–Yatesアルゴリズム template<typename T> void shuffle(vector<T> &v){ int sz=v.size(); for(int i=sz-1;i>0;i--){ swap(v[Rand32()%(i+1)],v[i]); } } //[0,n)の集合を管理 //値の追加・削除・存在確認: O(1) //空間計算量: O(n) //重複は許さない //https://topcoder-tomerun.hatenablog.jp/entry/2021/06/12/134643 template<int CAPACITY> struct IntSet{ DynamicArray<int,CAPACITY> set_; array<int,CAPACITY> pos_; IntSet(){ for(int i=0;i<CAPACITY;i++){ pos_[i]=-1; } set_.clear(); } void insert(int v){ //assert(pos_[v]==-1); if(pos_[v]!=-1) return; pos_[v]=set_.size(); set_.push_back(v); } void remove(int v){ assert(pos_[v]!=-1); int last=set_[set_.size()-1]; set_[pos_[v]]=last; pos_[last]=pos_[v]; set_.pop_back(); pos_[v]=-1; } bool contains(int v)const{ return pos_[v]!=-1; } int size()const{ return set_.size(); } int random()const{ assert(set_.size()); int x=set_[Rand32(set_.size())]; assert(pos_[x]!=-1); return x; } int random_extract(){ int v=set_[Rand32(set_.size())]; remove(v); return v; } void clear(){ while(size()){ remove(set_.back()); } } }; ///++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ///++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ///++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ template<class T,class U> T linear_function(U x,U start_x,U end_x,T start_value,T end_value){ if(x>=end_x) return end_value; if(x<=start_x) return start_value; return start_value+(end_value-start_value)*(x-start_x)/(end_x-start_x); } //http://gasin.hatenadiary.jp/entry/2019/09/03/162613 struct SimulatedAnnealing{ float startTemp; //差の最大値(あくまでも参考) float endTemp; //差の最小値(あくまでも参考) float startTime; float endTime; bool yama; bool minimum; //SimulatedAnnealing(){} SimulatedAnnealing(float startTemp,float endTemp,float startTime,float endTime,bool yama,bool minimum): startTemp(startTemp),endTemp(endTemp),startTime(startTime),endTime(endTime),yama(yama),minimum(minimum){ } float calc_temp(){ return linear_function(float(TIME.span()),startTime,endTime,startTemp,endTemp); //線形 //https://atcoder.jp/contests/ahc014/submissions/35326979 /*float progress=(TIME.span()-startTime)/(endTime-startTime); if(progress>1.0) progress=1.0; return pow(startTemp,1.0-progress)*pow(endTemp,progress);*/ } float calc_prob(float diff){ if(minimum) diff*=-1; if(diff>0) return 1; float temp=calc_temp(); return exp(diff/temp); } float calc_diff(float prob){ float diff=log(prob)*calc_temp(); if(minimum) diff*=-1; return diff; } inline bool operator()(float diff){ testCounter.count("try_cnt"); if(minimum) diff*=-1; if(diff>0){ testCounter.count("plus_change"); return true; } if(yama) return false; float prob; if(minimum) prob=calc_prob(diff*-1); else prob=calc_prob(diff); if(prob>float(Rand32()&mask(30))/mask(30)){ testCounter.count("minus_change"); return true; } else return false; } }; ///++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ///++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ///++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ //https://atcoder.jp/contests/asprocon9/submissions/34659956 #ifndef OPTUNA #define REGIST_PARAM(name, type, defaultValue) constexpr type name = defaultValue #else #define REGIST_PARAM(name, type, defaultValue) type name = defaultValue #endif namespace OP{ REGIST_PARAM(yama,bool,false); REGIST_PARAM(startTemp,double,500000); REGIST_PARAM(endTemp,float,0); REGIST_PARAM(TIME_END,int,1900); }; constexpr int Height=50; constexpr int Width=50; vector<string> ans; struct Place{ int h,w; Place(){} Place(int h,int w):h(h),w(w){ } Place(int idx):h(idx/Width),w(idx%Width){ } int dist(const Place &np){ return abs(np.h-h)+abs(np.w-w); } Place pre_place(int dir){ return Place(h-dh[dir],w-dw[dir]); } Place next_place(int dir){ return Place(h+dh[dir],w+dw[dir]); } void move(int dir){ h+=dh[dir]; w+=dw[dir]; } void remove(int dir){ h-=dh[dir]; w-=dw[dir]; } bool ok_move(int dir){ return h+dh[dir]<Height and w+dw[dir]<Width and h+dh[dir]>=0 and w+dw[dir]>=0; } bool out_grid(){ return h>=Height or w>=Width or h<0 or w<0; } bool operator==(const Place &p){ return h==p.h and w==p.w; } bool operator!=(const Place &p){ return h!=p.h or w!=p.w; } int idx(){ return h*Width+w; } //上下 左右 bool operator<(Place &p){ if(p.h!=h) return h<p.h; return w<p.w; } friend istream& operator>>(istream& is, Place& p){ is>>p.h>>p.w; return is; } friend ostream& operator<<(ostream& os, Place& p){ os<<p.h<<" "<<p.w; return os; } void move(Place p){ h+=p.h; w+=p.w; } Place find_nearest(const vector<Place> &ps){ int distance=MAX; Place nearest; for(auto p:ps){ if(chmin(distance,dist(p))){ nearest=p; } } return nearest; } template<class T> pair<Place,T> find_nearest(const vector<pair<Place,T>> &ps){ int distance=MAX; pair<Place,T> nearest; for(auto p:ps){ if(chmin(distance,dist(p.first))){ nearest=p; } } return nearest; } void output_move(Place p){ while(dist(p)){ int now_dist=dist(p); for(int dir=0;dir<4;dir++){ move(dir); int next_dist=dist(p); if(next_dist<now_dist){ string c="U"; if(dir==0) c="R"; if(dir==1) c="D"; if(dir==2) c="L"; ans.push_back("1 "+c); break; } remove(dir); } } } }; struct Bomb{ int cost; vector<Place> ps; }; constexpr int num_bomb=20; auto map_input=vmake(Height,Width,'.'); vector<Bomb> bombs(num_bomb); void input(){ int dummy; cin>>dummy>>dummy; for(int h=0;h<Height;h++) for(int w=0;w<Width;w++){ cin>>map_input[h][w]; } for(int b=0;b<num_bomb;b++){ cin>>bombs[b].cost; int size; cin>>size; bombs[b].ps.resize(size); cin>>bombs[b].ps; } } //https://www.sciencedirect.com/science/article/pii/0305054881900174 //AlgorithmA 一番コスパが高いものを選ぶ貪欲 //TODO:https://scmopt.github.io/opt100/74scp.html を参考にしてもっと書く(weightedがついてないけど重み付きっぽい) template<class Name,class Cost> struct SetCovering{ struct Set{ Name name; Cost cost; vector<int> elements; }; int num_element; vector<Set> sets; SetCovering(int num_element):num_element(num_element){ } void add_set(Name name,Cost cost,vector<int> elements){ sets.push_back({name,cost,elements}); } vector<vector<int>> make_sets_contain(){ vector<vector<int>> sets_contain(num_element); int id=0; for(auto &set:sets){ for(int element:set.elements){ sets_contain[element].push_back(id); } id++; } return sets_contain; } //k(出力する解のサイズ) N(setの数) //O(Nk+要素数の合計) vector<Name> solve_greedy(){ int num_set=sets.size(); vector<bool> is_covered(num_element,false); auto sets_contain=make_sets_contain(); vector<int> num_uncovered(num_set); for(int s=0;s<num_set;s++){ num_uncovered[s]=sets[s].elements.size(); } vector<Name> ans; Cost cost_sum=0; while(true){ //一番コスパ(num_uncovered/cost)が高いものを選ぶ int id_best=-1; double costper_best=-1; for(int i=0;i<num_set;i++){ if(num_uncovered[i]==0) continue; if(chmax(costper_best,double(num_uncovered[i])/sets[i].cost)){ id_best=i; } } if(id_best==-1){ //すべてのelementをカバーした break; } ans.push_back(sets[id_best].name); cost_sum+=sets[id_best].cost; //num_uncoveredとis_coveredを更新 for(int element:sets[id_best].elements){ if(is_covered[element]) continue; is_covered[element]=true; //cerr<<sets_contain.size()<<endl; for(int id_set:sets_contain[element]){ num_uncovered[id_set]--; } } } for(int i=0;i<num_element;i++){ if(is_covered[i]) continue; cerr<<"uncovered: "<<i<<endl; assert(false); } cerr<<"cost_sum: "<<cost_sum<<endl; return ans; } }; /* 店は最後に爆破する */ void solve(){ input(); //set coveringのインスタンスを作る auto id_map=vmake(Height,Width,-1); vector<Place> place_shops; int num_hakai=0; { int id=0; for(int h=0;h<Height;h++) for(int w=0;w<Width;w++){ if(map_input[h][w]=='@'){ place_shops.emplace_back(h,w); } if(map_input[h][w]!='#') continue; id_map[h][w]=id++; } num_hakai=id; } using pPi=pair<Place,int>; SetCovering<pPi,int> SC(num_hakai); for(int ph=0;ph<Height;ph++){ for(int pw=0;pw<Width;pw++){ Place p(ph,pw); auto nearest_shop=p.find_nearest(place_shops); int dist=p.dist(nearest_shop); for(int b=0;b<num_bomb;b++){ vector<int> ids; bool ok=true; for(auto dp:bombs[b].ps){ auto np=p; np.move(dp); if(np.out_grid()==false and map_input[np.h][np.w]=='@'){ ok=false; } if(np.out_grid() or id_map[np.h][np.w]==-1){ continue; } ids.push_back(id_map[np.h][np.w]); } if(not ok) continue; SC.add_set(pPi(p,b),bombs[b].cost+4*dist*2,ids); } } } auto names=SC.solve_greedy(); Place place_now(0,0); while(names.size()){ //次のターゲット pPi name_nearest=place_now.find_nearest(names); //一番近くの店に行って必要な爆弾を買う Place nearest_shop=place_now.find_nearest(place_shops); place_now.output_move(nearest_shop); ans.push_back("2 "+to_string(name_nearest.second+1)); //ターゲットのところに行って爆弾を落とす place_now.output_move(name_nearest.first); ans.push_back("3 "+to_string(name_nearest.second+1)); //ターゲットを消す for(int i=0;i<names.size();i++){ if(name_nearest.first==names[i].first and name_nearest.second==names[i].second){ names.erase(names.begin()+i); break; } } } cerr<<-1<<endl; //一番安い爆弾の特定 int cheapest_bomb=-1; int cheapest_cost=MAX; for(int i=0;i<num_bomb;i++){ if(chmin(cheapest_cost,bombs[i].cost)){ cheapest_bomb=i; } } while(place_shops.size()){ //一番近い店に行って一番安い爆弾を使う Place nearest_shop=place_now.find_nearest(place_shops); place_now.output_move(nearest_shop); ans.push_back("2 "+to_string(cheapest_bomb+1)); ans.push_back("3 "+to_string(cheapest_bomb+1)); vector<Place> next_place_shops; for(auto shop:place_shops){ bool hakai=false; for(auto dp:bombs[cheapest_bomb].ps){ auto np=nearest_shop; np.move(dp); if(shop==np) hakai=true; } if(not hakai) next_place_shops.push_back(shop); } place_shops=next_place_shops; } cout<<ans.size()<<endl; for(auto s:ans){ cout<<s<<endl; } #ifndef ONLINE_JUDGE testTimer.output(); testCounter.output(); cerr<<TIME.span()<<"ms"<<endl; //cerr<<"score: "<<simulate(best_grid,true)<<endl; #endif } int main(const int argc,const char** argv){ #ifndef OPTUNA if(argc!=1){ } #endif FastIO(); int T=1; //cin>>T; while(T--) solve(); }