Submission #592092

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
592092	2022-07-08T13:39:37 Z	tutis	Uplifting Excursion (BOI22_vault)	C++17	30 / 100	5000 ms	11512 KB

vault

/*input
2 5
2 3 1 1 4

*/

#pragma GCC optimize ("O3")
#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
template <typename T>
using oset = tree<T,  null_type,  less<T>,  rb_tree_tag,  tree_order_statistics_node_update>;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
mt19937_64 rng(0);
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int M;
	ll L;
	cin >> M >> L;
	ll A_[2 * M + 1];
	ll* A = A_ + M;
	for (int i = -M; i <= M; i++)
		cin >> A[i];
	ll pl = 0;
	pl += A[0];
	A[0] = 0;
	L = -L;
	ll cnt = 0;
	for (int l = -M; l <= M; l++)
	{
		L += l * A[l];
		cnt += A[l];
	}
	map<ll, ll>D;
	D[0] = 0;
	ll del = M;
	for (int v = M; v >= 1; v--)
		for (int l : {v, -v})
		{
			if (l == 0)
				continue;
			map<ll, ll>D_;
			for (pair<ll, ll>v : D)
			{
				ll k = (L - v.first) / l;
				k = max(k, 0ll);
				k = min(k, A[l]);
				ll lo = max(0ll, k - del);
				ll hi = min(k + del, A[l]);
				if (v.first + k * l == L)
				{
					ll c_ = v.second + k;
					auto it = D_.find(L);
					if (it == D_.end())
						D_[L] = c_;
					else
						it->second = min(it->second, c_);
				}
				else
					for (ll c = lo; c <= hi; c++)
					{
						ll v_ = v.first + l * c;
						ll c_ = v.second + c;
						auto it = D_.find(v_);
						if (it == D_.end())
							D_[v_] = c_;
						else
							it->second = min(it->second, c_);
					}
			}
			D = D_;
		}
	if (D.count(L))
		cout << pl + cnt - D[L] << "\n";
	else
		cout << "impossible\n";
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Execution timed out	5069 ms	8140 KB	Time limit exceeded
6	Halted	0 ms	0 KB	-

Subtask #2
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Execution timed out	5069 ms	8140 KB	Time limit exceeded
6	Halted	0 ms	0 KB	-

Subtask #3-1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	149 ms	1180 KB	Output is correct
3	Correct	26 ms	672 KB	Output is correct
4	Correct	107 ms	1072 KB	Output is correct
5	Correct	276 ms	1572 KB	Output is correct
6	Correct	113 ms	1124 KB	Output is correct
7	Correct	9 ms	468 KB	Output is correct
8	Correct	9 ms	468 KB	Output is correct
9	Correct	21 ms	624 KB	Output is correct
10	Correct	58 ms	892 KB	Output is correct

Subtask #3-2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	149 ms	1180 KB	Output is correct
3	Correct	26 ms	672 KB	Output is correct
4	Correct	107 ms	1072 KB	Output is correct
5	Correct	276 ms	1572 KB	Output is correct
6	Correct	113 ms	1124 KB	Output is correct
7	Correct	9 ms	468 KB	Output is correct
8	Correct	9 ms	468 KB	Output is correct
9	Correct	21 ms	624 KB	Output is correct
10	Correct	58 ms	892 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	340 KB	Output is correct
15	Correct	150 ms	1212 KB	Output is correct
16	Correct	27 ms	628 KB	Output is correct
17	Correct	104 ms	1196 KB	Output is correct
18	Correct	296 ms	1748 KB	Output is correct
19	Correct	112 ms	1136 KB	Output is correct
20	Correct	9 ms	480 KB	Output is correct
21	Correct	9 ms	468 KB	Output is correct
22	Correct	20 ms	584 KB	Output is correct
23	Correct	57 ms	748 KB	Output is correct
24	Correct	146 ms	908 KB	Output is correct
25	Correct	151 ms	1356 KB	Output is correct
26	Correct	1076 ms	3556 KB	Output is correct
27	Correct	188 ms	1224 KB	Output is correct
28	Correct	742 ms	2768 KB	Output is correct

Subtask #4-1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	149 ms	1180 KB	Output is correct
3	Correct	26 ms	672 KB	Output is correct
4	Correct	107 ms	1072 KB	Output is correct
5	Correct	276 ms	1572 KB	Output is correct
6	Correct	113 ms	1124 KB	Output is correct
7	Correct	9 ms	468 KB	Output is correct
8	Correct	9 ms	468 KB	Output is correct
9	Correct	21 ms	624 KB	Output is correct
10	Correct	58 ms	892 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	147 ms	1232 KB	Output is correct
13	Correct	25 ms	692 KB	Output is correct
14	Correct	108 ms	1196 KB	Output is correct
15	Correct	278 ms	1648 KB	Output is correct
16	Correct	111 ms	1188 KB	Output is correct
17	Correct	8 ms	468 KB	Output is correct
18	Correct	9 ms	488 KB	Output is correct
19	Correct	20 ms	580 KB	Output is correct
20	Correct	60 ms	832 KB	Output is correct
21	Correct	28 ms	596 KB	Output is correct
22	Correct	33 ms	676 KB	Output is correct
23	Correct	2728 ms	5396 KB	Output is correct
24	Correct	982 ms	3644 KB	Output is correct
25	Correct	2700 ms	5240 KB	Output is correct
26	Correct	3076 ms	5872 KB	Output is correct
27	Correct	3463 ms	6240 KB	Output is correct
28	Correct	1377 ms	3500 KB	Output is correct

Subtask #4-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Execution timed out	5069 ms	8140 KB	Time limit exceeded
6	Halted	0 ms	0 KB	-

Subtask #5-1
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	149 ms	1180 KB	Output is correct
3	Correct	26 ms	672 KB	Output is correct
4	Correct	107 ms	1072 KB	Output is correct
5	Correct	276 ms	1572 KB	Output is correct
6	Correct	113 ms	1124 KB	Output is correct
7	Correct	9 ms	468 KB	Output is correct
8	Correct	9 ms	468 KB	Output is correct
9	Correct	21 ms	624 KB	Output is correct
10	Correct	58 ms	892 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	147 ms	1232 KB	Output is correct
13	Correct	25 ms	692 KB	Output is correct
14	Correct	108 ms	1196 KB	Output is correct
15	Correct	278 ms	1648 KB	Output is correct
16	Correct	111 ms	1188 KB	Output is correct
17	Correct	8 ms	468 KB	Output is correct
18	Correct	9 ms	488 KB	Output is correct
19	Correct	20 ms	580 KB	Output is correct
20	Correct	60 ms	832 KB	Output is correct
21	Correct	28 ms	596 KB	Output is correct
22	Correct	33 ms	676 KB	Output is correct
23	Correct	2728 ms	5396 KB	Output is correct
24	Correct	982 ms	3644 KB	Output is correct
25	Correct	2700 ms	5240 KB	Output is correct
26	Correct	3076 ms	5872 KB	Output is correct
27	Correct	3463 ms	6240 KB	Output is correct
28	Correct	1377 ms	3500 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	151 ms	1180 KB	Output is correct
31	Correct	25 ms	696 KB	Output is correct
32	Correct	112 ms	1256 KB	Output is correct
33	Correct	278 ms	1612 KB	Output is correct
34	Correct	125 ms	1136 KB	Output is correct
35	Correct	9 ms	468 KB	Output is correct
36	Correct	9 ms	488 KB	Output is correct
37	Correct	20 ms	584 KB	Output is correct
38	Correct	59 ms	836 KB	Output is correct
39	Correct	28 ms	596 KB	Output is correct
40	Correct	34 ms	596 KB	Output is correct
41	Correct	2710 ms	5192 KB	Output is correct
42	Correct	990 ms	3712 KB	Output is correct
43	Correct	2722 ms	5064 KB	Output is correct
44	Correct	3014 ms	5892 KB	Output is correct
45	Correct	3454 ms	6208 KB	Output is correct
46	Correct	1345 ms	3564 KB	Output is correct
47	Correct	271 ms	1492 KB	Output is correct
48	Correct	316 ms	1660 KB	Output is correct
49	Execution timed out	5074 ms	11512 KB	Time limit exceeded
50	Halted	0 ms	0 KB	-

Subtask #5-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Execution timed out	5069 ms	8140 KB	Time limit exceeded
6	Halted	0 ms	0 KB	-

Subtask #6-1
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	149 ms	1180 KB	Output is correct
3	Correct	26 ms	672 KB	Output is correct
4	Correct	107 ms	1072 KB	Output is correct
5	Correct	276 ms	1572 KB	Output is correct
6	Correct	113 ms	1124 KB	Output is correct
7	Correct	9 ms	468 KB	Output is correct
8	Correct	9 ms	468 KB	Output is correct
9	Correct	21 ms	624 KB	Output is correct
10	Correct	58 ms	892 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	147 ms	1232 KB	Output is correct
13	Correct	25 ms	692 KB	Output is correct
14	Correct	108 ms	1196 KB	Output is correct
15	Correct	278 ms	1648 KB	Output is correct
16	Correct	111 ms	1188 KB	Output is correct
17	Correct	8 ms	468 KB	Output is correct
18	Correct	9 ms	488 KB	Output is correct
19	Correct	20 ms	580 KB	Output is correct
20	Correct	60 ms	832 KB	Output is correct
21	Correct	28 ms	596 KB	Output is correct
22	Correct	33 ms	676 KB	Output is correct
23	Correct	2728 ms	5396 KB	Output is correct
24	Correct	982 ms	3644 KB	Output is correct
25	Correct	2700 ms	5240 KB	Output is correct
26	Correct	3076 ms	5872 KB	Output is correct
27	Correct	3463 ms	6240 KB	Output is correct
28	Correct	1377 ms	3500 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	151 ms	1180 KB	Output is correct
31	Correct	25 ms	696 KB	Output is correct
32	Correct	112 ms	1256 KB	Output is correct
33	Correct	278 ms	1612 KB	Output is correct
34	Correct	125 ms	1136 KB	Output is correct
35	Correct	9 ms	468 KB	Output is correct
36	Correct	9 ms	488 KB	Output is correct
37	Correct	20 ms	584 KB	Output is correct
38	Correct	59 ms	836 KB	Output is correct
39	Correct	28 ms	596 KB	Output is correct
40	Correct	34 ms	596 KB	Output is correct
41	Correct	2710 ms	5192 KB	Output is correct
42	Correct	990 ms	3712 KB	Output is correct
43	Correct	2722 ms	5064 KB	Output is correct
44	Correct	3014 ms	5892 KB	Output is correct
45	Correct	3454 ms	6208 KB	Output is correct
46	Correct	1345 ms	3564 KB	Output is correct
47	Correct	271 ms	1492 KB	Output is correct
48	Correct	316 ms	1660 KB	Output is correct
49	Execution timed out	5074 ms	11512 KB	Time limit exceeded
50	Halted	0 ms	0 KB	-

Subtask #6-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Execution timed out	5069 ms	8140 KB	Time limit exceeded
6	Halted	0 ms	0 KB	-

Submission #592092

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