Submission #602626

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
602626	2022-07-23T09:36:25 Z	CSQ31	Uplifting Excursion (BOI22_vault)	C++17	40 / 100	446 ms	1748 KB

vault

#include <bits/stdc++.h>
using namespace std;
#define all(a) a.begin(),a.end()
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
typedef long long int ll;
ll a[5000];
ll take[5000];
struct item{
	ll w = 0,v = 0,c = 0;
	item(){}
	item(ll a,ll b,ll _c){
		w = a;
		v = b;
		c = _c;
	}
};
int main()
{
	ll m,L;
	cin>>m>>L;
	for(int i=-m;i<=m;i++)cin>>a[i+m];
	//greedy sol and optimal sol distance small
	ll neg = 0,pos = 0;
	for(ll i=-m;i<=0;i++)neg+=i*a[i+m];
	for(ll i=0;i<=m;i++)pos+=i*a[i+m];
	if(L>pos  || L < neg){
		cout<<"impossible";
		return 0;
	}
	if(neg){
		cout<<"impossible"<<'\n';
		return 0;
	}
	ll sum = neg;
	ll cur = a[m];
	vector<item>b;
	//weight value count
	for(int i=1;i<=m;i++){
		take[i] = min(a[i+m],(L-sum)/i);
		a[i+m]-=take[i];
		cur+=take[i];
		sum+=i*1LL*take[i]; //add smtg
		if(a[i+m])b.push_back(item(i,1,min(2*m,a[i+m])));
	}
	for(int i=1;i<=m;i++){ //take smtg away
		if(take[i])b.push_back(item(-i,-1,min(2*m,take[i])));
	}
	int mx = 2*m*m;
	const ll INF = 1e18;
	vector<ll>dp(mx+1,-INF);
	dp[0] = 0;
	for(auto x:b){
		int z = 1;
		vector<int>cc;
		while(x.c>=z){
			cc.push_back(z);
			x.c-=z;
			z*=2;
		}
		if(x.c)cc.push_back(x.c);
		if(x.w > 0){
			for(int y : cc){
				for(int i=mx;i >= y * x.w;i--){
					if(dp[i-y * x.w] != -INF)dp[i] = max(dp[i],dp[i - y * x.w] + y * x.v); 
					
				}	
			}
			
		}else{
			for(int y : cc){
				for(int i=0;i <= mx + y * x.w;i++){
					if(dp[i - y * x.w] != -INF)dp[i] = max(dp[i],dp[i - y * x.w] + y * x.v); 
				}	
			}
			
		}
	}
	if(dp[L-sum] != -INF)cout<<cur+dp[L-sum];
	else cout<<"impossible";
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	212 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	212 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #3-1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct

Subtask #3-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Incorrect	0 ms	212 KB	Output isn't correct
12	Halted	0 ms	0 KB	-

Subtask #4-1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	2 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	2 ms	340 KB	Output is correct
26	Correct	2 ms	340 KB	Output is correct
27	Correct	2 ms	340 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct

Subtask #4-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	212 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5-1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	2 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	2 ms	340 KB	Output is correct
26	Correct	2 ms	340 KB	Output is correct
27	Correct	2 ms	340 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	1 ms	340 KB	Output is correct
41	Correct	2 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	2 ms	340 KB	Output is correct
44	Correct	2 ms	340 KB	Output is correct
45	Correct	2 ms	340 KB	Output is correct
46	Correct	2 ms	340 KB	Output is correct
47	Correct	1 ms	476 KB	Output is correct
48	Correct	1 ms	468 KB	Output is correct
49	Correct	10 ms	468 KB	Output is correct
50	Correct	4 ms	468 KB	Output is correct
51	Correct	13 ms	480 KB	Output is correct
52	Correct	14 ms	480 KB	Output is correct
53	Correct	16 ms	484 KB	Output is correct
54	Correct	10 ms	468 KB	Output is correct

Subtask #5-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	212 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #6-1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	2 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	2 ms	340 KB	Output is correct
26	Correct	2 ms	340 KB	Output is correct
27	Correct	2 ms	340 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	1 ms	340 KB	Output is correct
41	Correct	2 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	2 ms	340 KB	Output is correct
44	Correct	2 ms	340 KB	Output is correct
45	Correct	2 ms	340 KB	Output is correct
46	Correct	2 ms	340 KB	Output is correct
47	Correct	1 ms	476 KB	Output is correct
48	Correct	1 ms	468 KB	Output is correct
49	Correct	10 ms	468 KB	Output is correct
50	Correct	4 ms	468 KB	Output is correct
51	Correct	13 ms	480 KB	Output is correct
52	Correct	14 ms	480 KB	Output is correct
53	Correct	16 ms	484 KB	Output is correct
54	Correct	10 ms	468 KB	Output is correct
55	Correct	1 ms	296 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	1 ms	212 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	0 ms	212 KB	Output is correct
62	Correct	0 ms	212 KB	Output is correct
63	Correct	1 ms	212 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	1 ms	340 KB	Output is correct
66	Correct	1 ms	340 KB	Output is correct
67	Correct	1 ms	340 KB	Output is correct
68	Correct	1 ms	340 KB	Output is correct
69	Correct	2 ms	344 KB	Output is correct
70	Correct	2 ms	340 KB	Output is correct
71	Correct	2 ms	340 KB	Output is correct
72	Correct	1 ms	340 KB	Output is correct
73	Correct	1 ms	468 KB	Output is correct
74	Correct	1 ms	468 KB	Output is correct
75	Correct	10 ms	468 KB	Output is correct
76	Correct	4 ms	468 KB	Output is correct
77	Correct	13 ms	480 KB	Output is correct
78	Correct	15 ms	468 KB	Output is correct
79	Correct	12 ms	468 KB	Output is correct
80	Correct	10 ms	468 KB	Output is correct
81	Correct	355 ms	1748 KB	Output is correct
82	Correct	143 ms	1620 KB	Output is correct
83	Correct	389 ms	1748 KB	Output is correct
84	Correct	446 ms	1748 KB	Output is correct
85	Correct	6 ms	1620 KB	Output is correct
86	Correct	10 ms	1732 KB	Output is correct
87	Correct	288 ms	1748 KB	Output is correct

Subtask #6-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	212 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Submission #602626

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