結果

問題 No.409 ダイエット
ユーザー smiken_61smiken_61
提出日時 2019-02-27 16:06:23
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 304 ms / 2,000 ms
コード長 14,937 bytes
コンパイル時間 2,336 ms
コンパイル使用メモリ 183,964 KB
実行使用メモリ 71,904 KB
最終ジャッジ日時 2024-06-23 05:14:34
合計ジャッジ時間 12,300 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
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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 3 ms
6,816 KB
testcase_01 AC 2 ms
6,812 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 3 ms
6,944 KB
testcase_04 AC 2 ms
6,940 KB
testcase_05 AC 2 ms
6,944 KB
testcase_06 AC 2 ms
6,944 KB
testcase_07 AC 3 ms
6,940 KB
testcase_08 AC 3 ms
6,940 KB
testcase_09 AC 2 ms
6,944 KB
testcase_10 AC 2 ms
6,948 KB
testcase_11 AC 2 ms
6,944 KB
testcase_12 AC 2 ms
6,944 KB
testcase_13 AC 3 ms
6,940 KB
testcase_14 AC 2 ms
6,940 KB
testcase_15 AC 2 ms
6,944 KB
testcase_16 AC 2 ms
6,940 KB
testcase_17 AC 2 ms
6,944 KB
testcase_18 AC 2 ms
6,940 KB
testcase_19 AC 2 ms
6,940 KB
testcase_20 AC 3 ms
6,944 KB
testcase_21 AC 2 ms
6,940 KB
testcase_22 AC 2 ms
6,944 KB
testcase_23 AC 2 ms
6,940 KB
testcase_24 AC 2 ms
6,940 KB
testcase_25 AC 2 ms
6,944 KB
testcase_26 AC 2 ms
6,940 KB
testcase_27 AC 2 ms
6,944 KB
testcase_28 AC 2 ms
6,940 KB
testcase_29 AC 2 ms
6,940 KB
testcase_30 AC 2 ms
6,940 KB
testcase_31 AC 2 ms
6,940 KB
testcase_32 AC 2 ms
6,944 KB
testcase_33 AC 3 ms
6,940 KB
testcase_34 AC 2 ms
6,940 KB
testcase_35 AC 4 ms
6,940 KB
testcase_36 AC 4 ms
6,944 KB
testcase_37 AC 4 ms
6,940 KB
testcase_38 AC 4 ms
6,944 KB
testcase_39 AC 4 ms
6,940 KB
testcase_40 AC 4 ms
6,940 KB
testcase_41 AC 4 ms
6,940 KB
testcase_42 AC 4 ms
6,944 KB
testcase_43 AC 4 ms
6,944 KB
testcase_44 AC 4 ms
6,944 KB
testcase_45 AC 4 ms
6,944 KB
testcase_46 AC 4 ms
6,940 KB
testcase_47 AC 4 ms
6,940 KB
testcase_48 AC 3 ms
6,944 KB
testcase_49 AC 4 ms
6,940 KB
testcase_50 AC 4 ms
6,940 KB
testcase_51 AC 4 ms
6,944 KB
testcase_52 AC 5 ms
6,940 KB
testcase_53 AC 4 ms
6,940 KB
testcase_54 AC 4 ms
6,944 KB
testcase_55 AC 131 ms
39,492 KB
testcase_56 AC 237 ms
71,904 KB
testcase_57 AC 280 ms
71,664 KB
testcase_58 AC 114 ms
26,760 KB
testcase_59 AC 163 ms
42,972 KB
testcase_60 AC 99 ms
26,056 KB
testcase_61 AC 237 ms
47,564 KB
testcase_62 AC 263 ms
71,136 KB
testcase_63 AC 234 ms
45,868 KB
testcase_64 AC 126 ms
37,440 KB
testcase_65 AC 253 ms
69,160 KB
testcase_66 AC 273 ms
70,704 KB
testcase_67 AC 199 ms
42,788 KB
testcase_68 AC 161 ms
39,844 KB
testcase_69 AC 228 ms
45,488 KB
testcase_70 AC 226 ms
44,548 KB
testcase_71 AC 125 ms
25,744 KB
testcase_72 AC 284 ms
70,740 KB
testcase_73 AC 246 ms
46,284 KB
testcase_74 AC 157 ms
39,132 KB
testcase_75 AC 260 ms
69,304 KB
testcase_76 AC 182 ms
41,452 KB
testcase_77 AC 116 ms
25,492 KB
testcase_78 AC 140 ms
37,944 KB
testcase_79 AC 106 ms
24,564 KB
testcase_80 AC 304 ms
69,652 KB
testcase_81 AC 267 ms
46,376 KB
testcase_82 AC 202 ms
41,204 KB
testcase_83 AC 200 ms
42,760 KB
testcase_84 AC 161 ms
39,500 KB
testcase_85 AC 18 ms
9,440 KB
testcase_86 AC 156 ms
38,584 KB
testcase_87 AC 221 ms
45,084 KB
testcase_88 AC 88 ms
22,984 KB
testcase_89 AC 181 ms
41,264 KB
testcase_90 AC 81 ms
23,192 KB
testcase_91 AC 195 ms
42,720 KB
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ソースコード

diff #

     #include <bits/stdc++.h>

//    #include <boost/multiprecision/cpp_int.hpp>
 #define int long long
 #define inf  1000000007
 #define pa pair<int,int>
 #define ll long long
 #define pal pair<double,double>
 #define ppap pair<pa,int>
  #define PI 3.14159265358979323846
  #define paa pair<int,char>
  #define  mp make_pair
  #define  pb push_back
  #define EPS (1e-10)
                                          
    int dx[8]={0,1,0,-1,1,1,-1,-1};
    int dy[8]={1,0,-1,0,-1,1,1,-1};
                                            using namespace std;
                                   			class pa3{
                                            	public:
                                            	int x;
                                   				int y,z;
                                            	pa3(int x=0,int y=0,int z=0):x(x),y(y),z(z) {}
                                            	bool operator < (const pa3 &p) const{
                                            		if(x!=p.x) return x<p.x;
                                            		if(y!=p.y) return y<p.y;
                                            		 return z<p.z;
                                            		//return x != p.x ? x<p.x: y<p.y;
                                            	}
                                   				bool operator > (const pa3 &p) const{
                                            		if(x!=p.x) return x>p.x;
                                            		if(y!=p.y) return y>p.y;
                                            		 return z>p.z;
                                            		//return x != p.x ? x<p.x: y<p.y;
                                            	}
                                            	bool operator == (const pa3 &p) const{
                                            		return x==p.x && y==p.y && z==p.z;
                                            	}
                                            		bool operator != (const pa3 &p) const{
                                            			return !( x==p.x && y==p.y && z==p.z);
                                            	}
                                            
                                            };
                                            
                                            class pa4{
                                            	public:
                                            	int x;
                                            	int y,z,w;
                                            	pa4(int x=0,int y=0,int z=0,int w=0):x(x),y(y),z(z),w(w) {}
                                            	bool operator < (const pa4 &p) const{
                                            		if(x!=p.x) return x<p.x;
                                            		if(y!=p.y) return y<p.y;
                                            		if(z!=p.z)return z<p.z;
                                            		return w<p.w;
                                            		//return x != p.x ? x<p.x: y<p.y;
                                            	}
                                            	bool operator > (const pa4 &p) const{
                                            		if(x!=p.x) return x>p.x;
                                            		if(y!=p.y) return y>p.y;
                                            		if(z!=p.z)return z>p.z;
                                            		return w>p.w;
                                            		//return x != p.x ? x<p.x: y<p.y;
                                            	}
                                            	bool operator == (const pa4 &p) const{
                                            		return x==p.x && y==p.y && z==p.z &&w==p.w;
                                            	}
                                            		
                                            
                                            };
                                            class pa2{
                                            	public:
                                            	int x,y;
                                            	pa2(int x=0,int y=0):x(x),y(y) {}
                                            	pa2 operator + (pa2 p) {return pa2(x+p.x,y+p.y);}
                                            	pa2 operator - (pa2 p) {return pa2(x-p.x,y-p.y);}
                                            	bool operator < (const pa2 &p) const{
                                            		return y != p.y ? y<p.y: x<p.x;
                                            	}
                                            	bool operator > (const pa2 &p) const{
                                            		return x != p.x ? x<p.x: y<p.y;
                                            	}
                                            	bool operator == (const pa2 &p) const{
                                            		return abs(x-p.x)==0 && abs(y-p.y)==0;
                                            	}
                                            	bool operator != (const pa2 &p) const{
                                            		return !(abs(x-p.x)==0 && abs(y-p.y)==0);
                                            	}
                                            		
                                            
                                            };
                                            

                                            class Point{
                                            	public:
                                            	double x,y;
                                            	Point(double x=0,double y=0):x(x),y(y) {}
                                            	Point operator + (Point p) {return Point(x+p.x,y+p.y);}
                                            	Point operator - (Point p) {return Point(x-p.x,y-p.y);}
                                            	Point operator * (double a) {return Point(x*a,y*a);}
                                            	Point operator / (double a) {return Point(x/a,y/a);}
                                            	double absv() {return sqrt(norm());}
                                            	double norm() {return x*x+y*y;}
                                            	bool operator < (const Point &p) const{
                                            		return x != p.x ? x<p.x: y<p.y;
                                            	}
                                            	bool operator == (const Point &p) const{
                                            		return fabs(x-p.x)<EPS && fabs(y-p.y)<EPS;
                                            	}
                                            };
                                            typedef Point Vector;
                                     #define pl pair<int,pas>
                                            struct Segment{
                                            Point p1,p2;
                                            };
                                             double dot(Vector a,Vector b){
                                            	return a.x*b.x+a.y*b.y;
                                            }
                                            double cross(Vector a,Vector b){
                                            	return a.x*b.y-a.y*b.x;
                                            }
                                        
                bool parareru(Point a,Point b,Point c,Point d){
                //	if(abs(cross(a-b,d-c))<EPS)cout<<"dd "<<cross(a-b,d-c)<<endl;
                	return abs(cross(a-b,d-c))<EPS;
                }
                double distance_ls_p(Point a, Point b, Point c) {
                  if ( dot(b-a, c-a) < EPS ) return (c-a).absv();
                  if ( dot(a-b, c-b) < EPS ) return (c-b).absv();
                  return abs(cross(b-a, c-a)) / (b-a).absv();
                }
                bool is_intersected_ls(Segment a,Segment b) {
                	if(a.p1==b.p1||a.p2==b.p1||a.p1==b.p2||a.p2==b.p2) return false;
                	if(parareru((a.p2),(a.p1),(a.p1),(b.p2))&&parareru((a.p2),(a.p1),(a.p1),(b.p1))){
                //		cout<<"sss"<<endl;
                		if(dot(a.p1-b.p1,a.p1-b.p2)<EPS) return true;
                		if(dot(a.p2-b.p1,a.p2-b.p2)<EPS) return true;
                		if(dot(a.p1-b.p1,a.p2-b.p1)<EPS) return true;
                		if(dot(a.p1-b.p2,a.p2-b.p2)<EPS) return true;
                		return false;
                	}
                  else return ( cross(a.p2-a.p1, b.p1-a.p1) * cross(a.p2-a.p1, b.p2-a.p1) < EPS ) && ( cross(b.p2-b.p1, a.p1-b.p1) * cross(b.p2-b.p1, a.p2-b.p1) < EPS );
                }
                 
                double segment_dis(Segment a,Segment b){
                	if(is_intersected_ls(a,b))return 0;
                	double r=distance_ls_p(a.p1, a.p2, b.p1);
                	r=min(r,distance_ls_p(a.p1, a.p2, b.p2));
                	r=min(r,distance_ls_p(b.p1, b.p2, a.p2));
                	r=min(r,distance_ls_p(b.p1, b.p2, a.p1));
                	return r;
                }
                Point intersection_ls(Segment a, Segment b) {
                  Point ba = b.p2-b.p1;
                  double d1 = abs(cross(ba, a.p1-b.p1));
                  double d2 = abs(cross(ba, a.p2-b.p1));
                  double t = d1 / (d1 + d2);
                 
                  return a.p1 + (a.p2-a.p1) * t;
                }
                
                                string itos( int i ) {
                                ostringstream s ;
                                s << i ;
                                return s.str() ;
                                }
                                 
                                int gcd(int v,int b){
                                	if(v>b) return gcd(b,v);
                                	if(v==b) return b;
                                	if(b%v==0) return v;
                                	return gcd(v,b%v);
                                }
                 
                                double distans(double x1,double y1,double x2,double y2){
                                	double rr=(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);
                                	return sqrt(rr);
                                	
                                }
                                int mod;
int extgcd(int a, int b, int &x, int &y) {
    if (b == 0) {
        x = 1;
        y = 0;
        return a;
    }
    int d = extgcd(b, a%b, y, x);
    y -= a/b * x;
    return d;
}
pa operator+(const pa & l,const pa & r) {   
    return {l.first+r.first,l.second+r.second};                                    
}    
pa operator-(const pa & l,const pa & r) {   
    return {l.first-r.first,l.second-r.second};                                    
}  
                                
                int pr[1200010];
                int inv[1200010];
                
                int beki(int wa,int rr,int warukazu){
                	if(rr==0) return 1%warukazu;
                	if(rr==1) return wa%warukazu;
                	wa%=warukazu;
                	if(rr%2==1) return ((ll)beki(wa,rr-1,warukazu)*(ll)wa)%warukazu;
                	ll zx=beki(wa,rr/2,warukazu);
                	return (zx*zx)%warukazu;
                }
    double bekid(double w,int r){
    	if(r==0) return 1.0;
    	if(r==1) return w;
    	if(r%2) return bekid(w,r-1)*w;
    	double f=bekid(w,r/2);
    	return f*f;
    }
                
    			int comb(int nn,int rr){
    				int r=pr[nn]*inv[rr];
    				r%=mod;
    				r*=inv[nn-rr];
    				r%=mod;
    				return r;
    			}
                
                void gya(int ert){
                	pr[0]=1;
                	for(int i=1;i<=ert;i++){
                		pr[i]=(pr[i-1]*i)%mod;
                	}
                	for(int i=0;i<=ert;i++) inv[i]=beki(pr[i],mod-2,mod);
                	
                }
                
              //   cin.tie(0);
    		//	ios::sync_with_stdio(false);
    			//priority_queue<pa3,vector<pa3>,greater<pa3>> pq;            
                 //sort(ve.begin(),ve.end(),greater<int>());
    
       
       
                               //----------------kokomade tenpure------------


struct convex_hull{
    //       1
    //   2        3
    // 4   5   6    7
     
	struct line{
		int a;
		int b;
	};
	/*
	typedef struct node{
		int l;
		int r;
		// 閉区間!!
		int line_id;
		node* l_c;
		node* r_c;
		
	}node;
     */
    private:
    public:
     
	/*
	node* new_node(int l,int r,int line_id){
		node* v=new node();
		v->l=l;
		v->r=r;
		v->line_id=line_id;
		return v;
	}
	*/
	
	int f(line s,int x){
		return s.a*x+s.b;
	}
	
    // (1<<15)=32768
    // 1<<16 = 65536
    // 1<<17 = 131072
    // 1<<18 = 262144
    int inff=inf*2000000000ll*2ll;
	
	
    int n;
	int cor=1;
	vector<line> lines;
	vector<int> points;
    vector<pa4> vec;
	map<int,int> point_to_id;
	
	
	void add_pos(int x){
		points.pb(x);
	}
	
    void shoki(){
   // 	cout<<inff<<endl;
    	sort(points.begin(), points.end());
    	points.erase(unique(points.begin(),points.end()),points.end());
    	n=points.size();
    	for(int i=0;i<n;i++){
    		point_to_id[points[i]]=i;
    	}
    	
    	lines.pb({0,inff});
    	cor=1;
    	while(cor<=n)cor*=2;
    	while(points.size()<cor)points.pb(points.back()+1);
    	vec.resize(2*cor+3,{0,inff,inff,inff});
    }
	
	int getmin(int pos){
		assert(point_to_id.count(pos));
		int id=point_to_id[pos]+cor;
		
		int ans=inff;
		while(id){
			ans=min(ans,f(lines[vec[id].x],pos));
			id/=2;
		}
		return ans;
	}
	
	void add_line(int a,int b){// ax+b
	//	cout<<"line "<<a<<" "<<b<<endl;
		int id=1;
		int l=0;
		int r=cor;
		line new_line={a,b};
		lines.pb(new_line);
		int line_id=lines.size()-1;
		while(1){
			// 1:l
			// 2:m=(l+r)/2
			// 3:r-1
			
			// p: current
			// q: new
			
			int m=(l+r)/2;			
			
			int p1=f(lines[line_id],points[l]);
			int p2=f(lines[line_id],points[m]);
			int p3=f(lines[line_id],points[r-1]);
			
			if(p1>=vec[id].y && p3>=vec[id].w) break;
			if(p1<=vec[id].y && p3<=vec[id].w){
				vec[id]={line_id,p1,p2,p3};
				break;
			}
			if(p2<=vec[id].z){
				swap(vec[id].x,line_id);
				swap(vec[id].y,p1);
				swap(vec[id].z,p2);
				swap(vec[id].w,p3);
			}
			
			if(id>=cor)break;
			
			if(p1<=vec[id].y){
				id=2*id;
				r=m;
			}
			else if(p3<=vec[id].w){
				id=2*id+1;
				l=m;
			}
			else assert(0);
		}
		
		
	}
	

     
};

int d[300020];
int dp[300020];
 convex_hull ss;
 signed main(){
 	

    	       cin.tie(0);
   			ios::sync_with_stdio(false);

 	int  n,a,b,w;
 	cin>>n>>a>>b>>w;
dp[0]=2*w;
 	for(int i=1;i<=n;i++){
 		cin>>d[i];
 		ss.add_pos(i);
 	}
 	ss.shoki();
 	for(int i=1;i<=n;i++){
 		int j=i-1;
 		ss.add_line(-2*b*j,b*j+b*j*j+2*a*j+2*a+dp[j]);
 		
 		dp[i]=ss.getmin(i)+2*d[i]-2*a*i+b*(i*i-i);
 		//cout<<dp[i]<<endl;
 	 	}
 	
 	int ans=ss.inff;
 	
 	for(int i=0;i<=n;i++){
 		ans=min(ans,dp[i]/2-a*(n-i)+b*(n-i)*(n-i+1)/2);
 	}
 	cout<<ans<<endl;
 	return 0;
  }

0