oj.uz

Submission #596388

# Submission time Handle Problem Language Result Execution time Memory
596388 2022-07-14T16:35:53 Z kshitij_sodani Uplifting Excursion (BOI22_vault) C++14
30 / 100
 3379 ms 34652 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define a first
#define b second
#define pb push_back
#define endl '\n'


llo n,dd;
llo it[350];

llo cc[601];
llo dp[2000001];
deque<pair<llo,llo>> zz[301];
llo ans=-1;
llo su3=0;

void apply(int l,int r){
	for(int j=l;j<=r;j++){

		llo ax=j*min(it[j],n);
		su3+=ax;
		llo y=0;
		llo z=0;
		//llo su3=n*n*n;
		for(int i=0;i<j;i++){
			zz[i].clear();
		}
		for(llo ii=0;ii<=su3;ii++){
		//	llo y=ii%j;
			if(dp[ii]>=0){
				pair<llo,llo> cur={dp[ii]-z,ii};
				while(zz[y].size()){
					if(zz[y].back().a>=cur.a){
						zz[y].pop_back();
					}
					else{
						break;
					}
				}
				zz[y].pb(cur);
			}
			while(zz[y].size()){
				if(zz[y].front().b<ii-ax){
					zz[y].pop_front();
				}
				else{
					break;
				}
			}
			if(zz[y].size()){
				llo xx=zz[y].front().a+z;
				if(dp[ii]==-1){
					dp[ii]=xx;
				}
				dp[ii]=min(dp[ii],xx);
			}
			y++;
			if(y==j){
				y=0;
				z++;
			}
		}
	}
}
void remove(int l,int r){
	for(int j=l;j<=r;j++){
		llo ax=j*min(it[j],n);
		su3-=ax;
	}
}
llo pp;
void solve(int l,int r){
	if(l==r){
		llo ac=0;
		llo ac2=0;
		for(int j=r+1;j<=n;j++){
			ac+=((it[j]-min(it[j],n)))*j;
			ac2+=(it[j]-min(it[j],n));
		}

		if(ac>pp){
			return;
		}
		llo cur2=pp-ac;
		int i=l;
		//cout<<cur2<<",,"<<ac<<","<<pp<<endl;
		for(llo j=cur2%i;j<=su3 and j<=cur2;j+=i){
			if(dp[j]>=0){
				//if((cur2-j)%i==0){
					llo x=(cur2-j)/i;
					if(x<=it[i]){
						llo y=dp[j]+x;
						y+=ac2;
						if(ans==-1){
							ans=y;
						}
						ans=min(ans,y);
					}
				//}
			}
		}


	}
	else{
		int mid=(l+r)/2;
		vector<llo> dp2;

		for(int ii=0;ii<=su3;ii++){
			dp2.pb(dp[ii]);
		}
		apply(l,mid);
		llo su4=su3;
		solve(mid+1,r);

		remove(l,mid);
		for(int ii=0;ii<dp2.size();ii++){
			dp[ii]=dp2[ii];
		}
		for(int ii=su3+1;ii<=su4;ii++){
			dp[ii]=-1;
		}
		apply(mid+1,r);
		su4=su3;
		solve(l,mid);
		remove(mid+1,r);
		for(int ii=0;ii<dp2.size();ii++){
			dp[ii]=dp2[ii];
		}
		for(int ii=su3+1;ii<=su4;ii++){
			dp[ii]=-1;
		}
		

	}



}
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n>>dd;

	llo cot=0;
	llo ma=0;
	llo acc=0;
	for(llo i=0;i<n;i++){
		llo aa;
		cin>>aa;
		cot+=aa;
		cc[i]=aa;
		acc+=aa;
	}
	llo su=0;
	for(llo i=0;i<=n;i++){
		cin>>it[i];
		su+=it[i]*i;
		cot+=it[i];
		cc[n+i]=i;
	}
	for(llo i=0;i<=2*n;i++){
		ma=max(ma,cc[i]);
	}
	su3=0;
	if(su<dd){
		cout<<"impossible"<<endl;
		return 0;
	}
	llo cur=su-dd;
	pp=cur;
	it[0]=0;
		for(int i=0;i<=n*n*n;i++){
			dp[i]=-1;
		}
		dp[0]=0;
	solve(1,n);
	/*for(llo i=1;i<=n;i++){
		llo su2=0;
		llo ac=0;
		for(llo j=i+1;j<=n;j++){
			llo xx=it[j]-n;
			if(xx<0){
				xx=0;
			}
			ac+=xx;
			su2+=xx*j;
		}
		if(su2>cur){
			continue;
		}
		llo su3=0;//n*n*n;
		for(llo j=1;j<i;j++){
			su3+=j*min(it[j],i);
		}
		for(llo j=i+1;j<=n;j++){
			su3+=j*min(it[j],n);
		}

		for(llo j=0;j<=su3;j++){
			dp[j]=-1;
		}
		dp[0]=0;
		su3=0;
		for(llo j=1;j<=n;j++){
			if(j==i){
				continue;
			}
			if(j<i){
				su3+=j*min(it[j],i);
			}
			else{
				su3+=j*min(it[j],n);
			}
			for(llo jj=0;jj<j;jj++){
				zz[jj].clear();
			}
			llo ax=j*min(it[j],n);
			llo y=0;
			llo z=0;
			for(llo ii=0;ii<=su3;ii++){
			//	llo y=ii%j;
				if(dp[ii]>=0){
					pair<llo,llo> cur={dp[ii]-z,ii};
					while(zz[y].size()){
						if(zz[y].back().a>=cur.a){
							zz[y].pop_back();
						}
						else{
							break;
						}
					}
					zz[y].pb(cur);
				}
				while(zz[y].size()){
					if(zz[y].front().b<ii-ax){
						zz[y].pop_front();
					}
					else{
						break;
					}
				}
				if(zz[y].size()){
					llo xx=zz[y].front().a+z;
					if(dp[ii]==-1){
						dp[ii]=xx;
					}
					dp[ii]=min(dp[ii],xx);
				}
				y++;
				if(y==j){
					y=0;
					z++;
				}
			}

		}

		llo cur2=cur-su2;

		for(llo j=cur2%i;j<=su3 and j<=cur2;j+=i){
			if(dp[j]>=0){
				//if((cur2-j)%i==0){
					llo x=(cur2-j)/i;
					if(x<=it[i]){
						llo y=dp[j]+x;
						y+=ac;
						if(ans==-1){
							ans=y;
						}
						ans=min(ans,y);
					}
				//}
			}
		}

	}*/
	if(ans==-1){
		cout<<"impossible"<<endl;
	}
	else{
		//cout<<ans<<endl;
		cout<<cot-ans<<endl;
	}

	//else find minimum number of elements with sum su-dd










	return 0;
}

Compilation message

vault.cpp: In function 'void solve(int, int)':
vault.cpp:119:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  119 |   for(int ii=0;ii<dp2.size();ii++){
      |                ~~^~~~~~~~~~~
vault.cpp:129:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  129 |   for(int ii=0;ii<dp2.size();ii++){
      |                ~~^~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 96 ms 2896 KB Output is correct
6 Incorrect 95 ms 3332 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 96 ms 2896 KB Output is correct
6 Incorrect 95 ms 3332 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 12 ms 1152 KB Output is correct
3 Correct 5 ms 852 KB Output is correct
4 Correct 15 ms 1156 KB Output is correct
5 Correct 20 ms 1288 KB Output is correct
6 Correct 12 ms 1000 KB Output is correct
7 Correct 3 ms 852 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 5 ms 852 KB Output is correct
10 Correct 9 ms 988 KB Output is correct

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 12 ms 1152 KB Output is correct
3 Correct 5 ms 852 KB Output is correct
4 Correct 15 ms 1156 KB Output is correct
5 Correct 20 ms 1288 KB Output is correct
6 Correct 12 ms 1000 KB Output is correct
7 Correct 3 ms 852 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 5 ms 852 KB Output is correct
10 Correct 9 ms 988 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 0 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 12 ms 1184 KB Output is correct
16 Correct 6 ms 852 KB Output is correct
17 Correct 15 ms 1220 KB Output is correct
18 Correct 19 ms 1264 KB Output is correct
19 Correct 12 ms 1016 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 2 ms 724 KB Output is correct
22 Correct 5 ms 900 KB Output is correct
23 Correct 8 ms 988 KB Output is correct
24 Incorrect 14 ms 1136 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #4-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 12 ms 1152 KB Output is correct
3 Correct 5 ms 852 KB Output is correct
4 Correct 15 ms 1156 KB Output is correct
5 Correct 20 ms 1288 KB Output is correct
6 Correct 12 ms 1000 KB Output is correct
7 Correct 3 ms 852 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 5 ms 852 KB Output is correct
10 Correct 9 ms 988 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 13 ms 1136 KB Output is correct
13 Correct 7 ms 852 KB Output is correct
14 Correct 17 ms 1212 KB Output is correct
15 Correct 22 ms 1200 KB Output is correct
16 Correct 15 ms 1016 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 2 ms 736 KB Output is correct
19 Correct 5 ms 852 KB Output is correct
20 Correct 9 ms 980 KB Output is correct
21 Correct 10 ms 1784 KB Output is correct
22 Correct 9 ms 1620 KB Output is correct
23 Correct 116 ms 3484 KB Output is correct
24 Correct 71 ms 2748 KB Output is correct
25 Correct 140 ms 3832 KB Output is correct
26 Correct 167 ms 4252 KB Output is correct
27 Correct 133 ms 3740 KB Output is correct
28 Correct 88 ms 2772 KB Output is correct

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 96 ms 2896 KB Output is correct
6 Incorrect 95 ms 3332 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #5-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 12 ms 1152 KB Output is correct
3 Correct 5 ms 852 KB Output is correct
4 Correct 15 ms 1156 KB Output is correct
5 Correct 20 ms 1288 KB Output is correct
6 Correct 12 ms 1000 KB Output is correct
7 Correct 3 ms 852 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 5 ms 852 KB Output is correct
10 Correct 9 ms 988 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 13 ms 1136 KB Output is correct
13 Correct 7 ms 852 KB Output is correct
14 Correct 17 ms 1212 KB Output is correct
15 Correct 22 ms 1200 KB Output is correct
16 Correct 15 ms 1016 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 2 ms 736 KB Output is correct
19 Correct 5 ms 852 KB Output is correct
20 Correct 9 ms 980 KB Output is correct
21 Correct 10 ms 1784 KB Output is correct
22 Correct 9 ms 1620 KB Output is correct
23 Correct 116 ms 3484 KB Output is correct
24 Correct 71 ms 2748 KB Output is correct
25 Correct 140 ms 3832 KB Output is correct
26 Correct 167 ms 4252 KB Output is correct
27 Correct 133 ms 3740 KB Output is correct
28 Correct 88 ms 2772 KB Output is correct
29 Correct 1 ms 512 KB Output is correct
30 Correct 14 ms 1160 KB Output is correct
31 Correct 5 ms 852 KB Output is correct
32 Correct 15 ms 1216 KB Output is correct
33 Correct 19 ms 1200 KB Output is correct
34 Correct 11 ms 1004 KB Output is correct
35 Correct 2 ms 724 KB Output is correct
36 Correct 2 ms 724 KB Output is correct
37 Correct 5 ms 892 KB Output is correct
38 Correct 8 ms 988 KB Output is correct
39 Correct 9 ms 1784 KB Output is correct
40 Correct 9 ms 1676 KB Output is correct
41 Correct 115 ms 3548 KB Output is correct
42 Correct 73 ms 2756 KB Output is correct
43 Correct 119 ms 3724 KB Output is correct
44 Correct 171 ms 4248 KB Output is correct
45 Correct 133 ms 3752 KB Output is correct
46 Correct 85 ms 2876 KB Output is correct
47 Correct 90 ms 9636 KB Output is correct
48 Correct 87 ms 9452 KB Output is correct
49 Correct 2155 ms 26620 KB Output is correct
50 Correct 1071 ms 17768 KB Output is correct
51 Correct 2417 ms 29196 KB Output is correct
52 Correct 3379 ms 34652 KB Output is correct
53 Correct 2200 ms 26632 KB Output is correct
54 Correct 1495 ms 20004 KB Output is correct

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 96 ms 2896 KB Output is correct
6 Incorrect 95 ms 3332 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 12 ms 1152 KB Output is correct
3 Correct 5 ms 852 KB Output is correct
4 Correct 15 ms 1156 KB Output is correct
5 Correct 20 ms 1288 KB Output is correct
6 Correct 12 ms 1000 KB Output is correct
7 Correct 3 ms 852 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 5 ms 852 KB Output is correct
10 Correct 9 ms 988 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 13 ms 1136 KB Output is correct
13 Correct 7 ms 852 KB Output is correct
14 Correct 17 ms 1212 KB Output is correct
15 Correct 22 ms 1200 KB Output is correct
16 Correct 15 ms 1016 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 2 ms 736 KB Output is correct
19 Correct 5 ms 852 KB Output is correct
20 Correct 9 ms 980 KB Output is correct
21 Correct 10 ms 1784 KB Output is correct
22 Correct 9 ms 1620 KB Output is correct
23 Correct 116 ms 3484 KB Output is correct
24 Correct 71 ms 2748 KB Output is correct
25 Correct 140 ms 3832 KB Output is correct
26 Correct 167 ms 4252 KB Output is correct
27 Correct 133 ms 3740 KB Output is correct
28 Correct 88 ms 2772 KB Output is correct
29 Correct 1 ms 512 KB Output is correct
30 Correct 14 ms 1160 KB Output is correct
31 Correct 5 ms 852 KB Output is correct
32 Correct 15 ms 1216 KB Output is correct
33 Correct 19 ms 1200 KB Output is correct
34 Correct 11 ms 1004 KB Output is correct
35 Correct 2 ms 724 KB Output is correct
36 Correct 2 ms 724 KB Output is correct
37 Correct 5 ms 892 KB Output is correct
38 Correct 8 ms 988 KB Output is correct
39 Correct 9 ms 1784 KB Output is correct
40 Correct 9 ms 1676 KB Output is correct
41 Correct 115 ms 3548 KB Output is correct
42 Correct 73 ms 2756 KB Output is correct
43 Correct 119 ms 3724 KB Output is correct
44 Correct 171 ms 4248 KB Output is correct
45 Correct 133 ms 3752 KB Output is correct
46 Correct 85 ms 2876 KB Output is correct
47 Correct 90 ms 9636 KB Output is correct
48 Correct 87 ms 9452 KB Output is correct
49 Correct 2155 ms 26620 KB Output is correct
50 Correct 1071 ms 17768 KB Output is correct
51 Correct 2417 ms 29196 KB Output is correct
52 Correct 3379 ms 34652 KB Output is correct
53 Correct 2200 ms 26632 KB Output is correct
54 Correct 1495 ms 20004 KB Output is correct
55 Correct 1 ms 480 KB Output is correct
56 Correct 13 ms 1204 KB Output is correct
57 Correct 5 ms 896 KB Output is correct
58 Correct 15 ms 1268 KB Output is correct
59 Correct 19 ms 1204 KB Output is correct
60 Correct 17 ms 1060 KB Output is correct
61 Correct 2 ms 724 KB Output is correct
62 Correct 2 ms 724 KB Output is correct
63 Correct 5 ms 796 KB Output is correct
64 Correct 9 ms 988 KB Output is correct
65 Correct 10 ms 1780 KB Output is correct
66 Correct 9 ms 1620 KB Output is correct
67 Correct 113 ms 3492 KB Output is correct
68 Correct 71 ms 2748 KB Output is correct
69 Correct 124 ms 3788 KB Output is correct
70 Correct 167 ms 4252 KB Output is correct
71 Correct 129 ms 3756 KB Output is correct
72 Correct 98 ms 2748 KB Output is correct
73 Correct 107 ms 9552 KB Output is correct
74 Correct 84 ms 9452 KB Output is correct
75 Correct 2125 ms 26656 KB Output is correct
76 Correct 1055 ms 17884 KB Output is correct
77 Correct 2478 ms 28916 KB Output is correct
78 Correct 3295 ms 34564 KB Output is correct
79 Correct 2157 ms 26440 KB Output is correct
80 Correct 1484 ms 20120 KB Output is correct
81 Runtime error 1 ms 852 KB Execution killed with signal 11
82 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 96 ms 2896 KB Output is correct
6 Incorrect 95 ms 3332 KB Output isn't correct
7 Halted 0 ms 0 KB -