oj.uz

답안 #592206

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
592206 2022-07-08T18:32:26 Z tutis Uplifting Excursion (BOI22_vault) C++17
45 / 100
 1025 ms 1620 KB 
/*input
1 5
0 0 6

*/

#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);
const int mxdel = 40000;
ll A_[2 * 300 + 1];
ll ej[2][2 * mxdel + 1];
ll sum[300 + 2];
ld C_[2 * 300 + 1];
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int M;
	ll L;
	cin >> M >> L;
	ll* A = A_ + M;
	for (ll i = -M; i <= M; i++)
		cin >> A[i];
	L = -L;
	ll cnt = 0;
	for (ll l = -M; l <= M; l++)
	{
		L += l * A[l];
		cnt += A[l];
	}
	A[0] = 0;
	ld L_ = L;
	ld* C = C_ + M;
	C[0] = 0;
	for (ll x = M; x >= 1; x--)
	{
		for (ll v : {x, -x})
		{
			C[v] = L_ / v;
			C[v] = max(ld(0), C[v]);
			C[v] = min(ld(A[v]), C[v]);
			L_ -= C[v] * v;
		}
		sum[x] = (ll)roundl(L_);
	}
	sum[0] = 0;
	sum[M + 1] = L;
	ll infi = 2e18;
	for (ll b = 0; b <= 2 * mxdel; b++)
		ej[(M + 1) % 2][b] = infi;
	ej[(M + 1) % 2][0 + mxdel] = 0;
	int mxdelt = 50;
	for (int x = M; x >= 0; x--)
	{
		int x1 = (x + 1) % 2;
		int x0 = x % 2;
		for (int b = 0; b <= 2 * mxdel; b++)
			ej[x0][b] = infi;
		for (int a = -mxdel; a <= mxdel; a++)
		{
			ll val = sum[x + 1] + a - sum[x];
			ll e = ej[x1][a + mxdel];
			if (e != infi)
				for (ll v : {x, -x})
				{
					ll opt = 0;
					if (x != 0)
						opt = val / v;
					opt = max(opt, 0ll);
					opt = min(opt, A[v]);
					for (ll k = max(0ll, opt - mxdelt); k <= min(A[v], opt + mxdelt); k++)
					{
						ll val_ = val - k * v;
						ll e_ = e + k;
						if (abs(val_) <= mxdel)
						{
							if (e_ < ej[x0][val_ + mxdel])
							{
								ej[x0][val_ + mxdel] = e_;
							}
						}
					}
				}
		}
	}
	ll best = ej[0][mxdel];
	if (best != infi)
		cout << cnt - best << "\n";
	else
		cout << "impossible\n";
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 2 ms 1492 KB Output is correct
5 Correct 158 ms 1564 KB Output is correct
6 Correct 233 ms 1568 KB Output is correct
7 Correct 52 ms 1612 KB Output is correct
8 Correct 173 ms 1564 KB Output is correct
9 Correct 317 ms 1564 KB Output is correct
10 Correct 8 ms 1492 KB Output is correct
11 Correct 10 ms 1492 KB Output is correct

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 2 ms 1492 KB Output is correct
5 Correct 158 ms 1564 KB Output is correct
6 Correct 233 ms 1568 KB Output is correct
7 Correct 52 ms 1612 KB Output is correct
8 Correct 173 ms 1564 KB Output is correct
9 Correct 317 ms 1564 KB Output is correct
10 Correct 8 ms 1492 KB Output is correct
11 Correct 10 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 1 ms 1492 KB Output is correct
14 Correct 1 ms 1492 KB Output is correct
15 Correct 2 ms 1492 KB Output is correct
16 Correct 146 ms 1568 KB Output is correct
17 Correct 217 ms 1568 KB Output is correct
18 Correct 48 ms 1564 KB Output is correct
19 Correct 172 ms 1568 KB Output is correct
20 Correct 320 ms 1560 KB Output is correct
21 Correct 7 ms 1492 KB Output is correct
22 Correct 8 ms 1492 KB Output is correct
23 Correct 499 ms 1568 KB Output is correct
24 Correct 952 ms 1572 KB Output is correct
25 Correct 251 ms 1492 KB Output is correct
26 Correct 1025 ms 1564 KB Output is correct
27 Correct 811 ms 1568 KB Output is correct
28 Incorrect 16 ms 1492 KB Output isn't correct
29 Halted 0 ms 0 KB -

Subtask #3-1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 23 ms 1580 KB Output is correct
3 Correct 6 ms 1492 KB Output is correct
4 Correct 12 ms 1580 KB Output is correct
5 Correct 24 ms 1492 KB Output is correct
6 Correct 10 ms 1492 KB Output is correct
7 Correct 5 ms 1584 KB Output is correct
8 Correct 4 ms 1492 KB Output is correct
9 Correct 6 ms 1492 KB Output is correct
10 Correct 12 ms 1588 KB Output is correct

Subtask #3-2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 23 ms 1580 KB Output is correct
3 Correct 6 ms 1492 KB Output is correct
4 Correct 12 ms 1580 KB Output is correct
5 Correct 24 ms 1492 KB Output is correct
6 Correct 10 ms 1492 KB Output is correct
7 Correct 5 ms 1584 KB Output is correct
8 Correct 4 ms 1492 KB Output is correct
9 Correct 6 ms 1492 KB Output is correct
10 Correct 12 ms 1588 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 2 ms 1492 KB Output is correct
14 Correct 3 ms 1492 KB Output is correct
15 Correct 18 ms 1492 KB Output is correct
16 Correct 7 ms 1492 KB Output is correct
17 Correct 14 ms 1492 KB Output is correct
18 Correct 25 ms 1584 KB Output is correct
19 Correct 14 ms 1492 KB Output is correct
20 Correct 4 ms 1492 KB Output is correct
21 Correct 5 ms 1584 KB Output is correct
22 Correct 5 ms 1492 KB Output is correct
23 Correct 10 ms 1584 KB Output is correct
24 Correct 69 ms 1564 KB Output is correct
25 Correct 15 ms 1492 KB Output is correct
26 Correct 68 ms 1568 KB Output is correct
27 Correct 51 ms 1492 KB Output is correct
28 Correct 53 ms 1492 KB Output is correct

Subtask #4-1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 23 ms 1580 KB Output is correct
3 Correct 6 ms 1492 KB Output is correct
4 Correct 12 ms 1580 KB Output is correct
5 Correct 24 ms 1492 KB Output is correct
6 Correct 10 ms 1492 KB Output is correct
7 Correct 5 ms 1584 KB Output is correct
8 Correct 4 ms 1492 KB Output is correct
9 Correct 6 ms 1492 KB Output is correct
10 Correct 12 ms 1588 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 18 ms 1588 KB Output is correct
13 Correct 5 ms 1492 KB Output is correct
14 Correct 12 ms 1584 KB Output is correct
15 Correct 24 ms 1492 KB Output is correct
16 Correct 13 ms 1492 KB Output is correct
17 Correct 5 ms 1492 KB Output is correct
18 Correct 4 ms 1492 KB Output is correct
19 Correct 6 ms 1492 KB Output is correct
20 Correct 10 ms 1588 KB Output is correct
21 Correct 8 ms 1492 KB Output is correct
22 Correct 7 ms 1492 KB Output is correct
23 Correct 101 ms 1492 KB Output is correct
24 Correct 38 ms 1492 KB Output is correct
25 Correct 86 ms 1564 KB Output is correct
26 Correct 93 ms 1560 KB Output is correct
27 Correct 106 ms 1492 KB Output is correct
28 Correct 60 ms 1580 KB Output is correct

Subtask #4-2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 2 ms 1492 KB Output is correct
5 Correct 158 ms 1564 KB Output is correct
6 Correct 233 ms 1568 KB Output is correct
7 Correct 52 ms 1612 KB Output is correct
8 Correct 173 ms 1564 KB Output is correct
9 Correct 317 ms 1564 KB Output is correct
10 Correct 8 ms 1492 KB Output is correct
11 Correct 10 ms 1492 KB Output is correct
12 Correct 3 ms 1492 KB Output is correct
13 Correct 23 ms 1580 KB Output is correct
14 Correct 6 ms 1492 KB Output is correct
15 Correct 12 ms 1580 KB Output is correct
16 Correct 24 ms 1492 KB Output is correct
17 Correct 10 ms 1492 KB Output is correct
18 Correct 5 ms 1584 KB Output is correct
19 Correct 4 ms 1492 KB Output is correct
20 Correct 6 ms 1492 KB Output is correct
21 Correct 12 ms 1588 KB Output is correct
22 Correct 1 ms 1492 KB Output is correct
23 Correct 1 ms 1492 KB Output is correct
24 Correct 2 ms 1492 KB Output is correct
25 Correct 3 ms 1492 KB Output is correct
26 Correct 18 ms 1492 KB Output is correct
27 Correct 7 ms 1492 KB Output is correct
28 Correct 14 ms 1492 KB Output is correct
29 Correct 25 ms 1584 KB Output is correct
30 Correct 14 ms 1492 KB Output is correct
31 Correct 4 ms 1492 KB Output is correct
32 Correct 5 ms 1584 KB Output is correct
33 Correct 5 ms 1492 KB Output is correct
34 Correct 10 ms 1584 KB Output is correct
35 Correct 69 ms 1564 KB Output is correct
36 Correct 15 ms 1492 KB Output is correct
37 Correct 68 ms 1568 KB Output is correct
38 Correct 51 ms 1492 KB Output is correct
39 Correct 53 ms 1492 KB Output is correct
40 Correct 2 ms 1492 KB Output is correct
41 Correct 18 ms 1588 KB Output is correct
42 Correct 5 ms 1492 KB Output is correct
43 Correct 12 ms 1584 KB Output is correct
44 Correct 24 ms 1492 KB Output is correct
45 Correct 13 ms 1492 KB Output is correct
46 Correct 5 ms 1492 KB Output is correct
47 Correct 4 ms 1492 KB Output is correct
48 Correct 6 ms 1492 KB Output is correct
49 Correct 10 ms 1588 KB Output is correct
50 Correct 8 ms 1492 KB Output is correct
51 Correct 7 ms 1492 KB Output is correct
52 Correct 101 ms 1492 KB Output is correct
53 Correct 38 ms 1492 KB Output is correct
54 Correct 86 ms 1564 KB Output is correct
55 Correct 93 ms 1560 KB Output is correct
56 Correct 106 ms 1492 KB Output is correct
57 Correct 60 ms 1580 KB Output is correct
58 Correct 2 ms 1492 KB Output is correct
59 Correct 1 ms 1492 KB Output is correct
60 Correct 1 ms 1492 KB Output is correct
61 Correct 2 ms 1492 KB Output is correct
62 Correct 145 ms 1560 KB Output is correct
63 Correct 223 ms 1564 KB Output is correct
64 Correct 52 ms 1572 KB Output is correct
65 Correct 168 ms 1564 KB Output is correct
66 Correct 310 ms 1492 KB Output is correct
67 Correct 7 ms 1584 KB Output is correct
68 Correct 9 ms 1492 KB Output is correct
69 Correct 18 ms 1620 KB Output is correct
70 Correct 9 ms 1584 KB Output is correct
71 Correct 11 ms 1588 KB Output is correct
72 Correct 23 ms 1564 KB Output is correct
73 Correct 11 ms 1492 KB Output is correct
74 Correct 7 ms 1580 KB Output is correct
75 Correct 4 ms 1492 KB Output is correct
76 Correct 5 ms 1492 KB Output is correct
77 Correct 10 ms 1584 KB Output is correct
78 Correct 75 ms 1560 KB Output is correct
79 Correct 13 ms 1584 KB Output is correct
80 Correct 69 ms 1564 KB Output is correct
81 Correct 46 ms 1492 KB Output is correct
82 Correct 53 ms 1576 KB Output is correct
83 Correct 91 ms 1492 KB Output is correct
84 Correct 50 ms 1492 KB Output is correct
85 Correct 116 ms 1492 KB Output is correct
86 Correct 84 ms 1568 KB Output is correct
87 Correct 105 ms 1492 KB Output is correct
88 Correct 55 ms 1492 KB Output is correct
89 Correct 413 ms 1492 KB Output is correct
90 Correct 510 ms 1560 KB Output is correct
91 Correct 129 ms 1564 KB Output is correct
92 Correct 191 ms 1564 KB Output is correct

Subtask #5-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 23 ms 1580 KB Output is correct
3 Correct 6 ms 1492 KB Output is correct
4 Correct 12 ms 1580 KB Output is correct
5 Correct 24 ms 1492 KB Output is correct
6 Correct 10 ms 1492 KB Output is correct
7 Correct 5 ms 1584 KB Output is correct
8 Correct 4 ms 1492 KB Output is correct
9 Correct 6 ms 1492 KB Output is correct
10 Correct 12 ms 1588 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 18 ms 1588 KB Output is correct
13 Correct 5 ms 1492 KB Output is correct
14 Correct 12 ms 1584 KB Output is correct
15 Correct 24 ms 1492 KB Output is correct
16 Correct 13 ms 1492 KB Output is correct
17 Correct 5 ms 1492 KB Output is correct
18 Correct 4 ms 1492 KB Output is correct
19 Correct 6 ms 1492 KB Output is correct
20 Correct 10 ms 1588 KB Output is correct
21 Correct 8 ms 1492 KB Output is correct
22 Correct 7 ms 1492 KB Output is correct
23 Correct 101 ms 1492 KB Output is correct
24 Correct 38 ms 1492 KB Output is correct
25 Correct 86 ms 1564 KB Output is correct
26 Correct 93 ms 1560 KB Output is correct
27 Correct 106 ms 1492 KB Output is correct
28 Correct 60 ms 1580 KB Output is correct
29 Correct 2 ms 1492 KB Output is correct
30 Correct 20 ms 1584 KB Output is correct
31 Correct 7 ms 1492 KB Output is correct
32 Correct 13 ms 1588 KB Output is correct
33 Correct 24 ms 1492 KB Output is correct
34 Correct 10 ms 1584 KB Output is correct
35 Correct 4 ms 1584 KB Output is correct
36 Correct 5 ms 1492 KB Output is correct
37 Correct 5 ms 1492 KB Output is correct
38 Correct 10 ms 1580 KB Output is correct
39 Correct 7 ms 1588 KB Output is correct
40 Correct 7 ms 1584 KB Output is correct
41 Correct 91 ms 1560 KB Output is correct
42 Correct 39 ms 1560 KB Output is correct
43 Correct 88 ms 1560 KB Output is correct
44 Correct 91 ms 1564 KB Output is correct
45 Correct 109 ms 1568 KB Output is correct
46 Correct 59 ms 1492 KB Output is correct
47 Incorrect 15 ms 1588 KB Output isn't correct
48 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 2 ms 1492 KB Output is correct
5 Correct 158 ms 1564 KB Output is correct
6 Correct 233 ms 1568 KB Output is correct
7 Correct 52 ms 1612 KB Output is correct
8 Correct 173 ms 1564 KB Output is correct
9 Correct 317 ms 1564 KB Output is correct
10 Correct 8 ms 1492 KB Output is correct
11 Correct 10 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 1 ms 1492 KB Output is correct
14 Correct 1 ms 1492 KB Output is correct
15 Correct 2 ms 1492 KB Output is correct
16 Correct 146 ms 1568 KB Output is correct
17 Correct 217 ms 1568 KB Output is correct
18 Correct 48 ms 1564 KB Output is correct
19 Correct 172 ms 1568 KB Output is correct
20 Correct 320 ms 1560 KB Output is correct
21 Correct 7 ms 1492 KB Output is correct
22 Correct 8 ms 1492 KB Output is correct
23 Correct 499 ms 1568 KB Output is correct
24 Correct 952 ms 1572 KB Output is correct
25 Correct 251 ms 1492 KB Output is correct
26 Correct 1025 ms 1564 KB Output is correct
27 Correct 811 ms 1568 KB Output is correct
28 Incorrect 16 ms 1492 KB Output isn't correct
29 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 23 ms 1580 KB Output is correct
3 Correct 6 ms 1492 KB Output is correct
4 Correct 12 ms 1580 KB Output is correct
5 Correct 24 ms 1492 KB Output is correct
6 Correct 10 ms 1492 KB Output is correct
7 Correct 5 ms 1584 KB Output is correct
8 Correct 4 ms 1492 KB Output is correct
9 Correct 6 ms 1492 KB Output is correct
10 Correct 12 ms 1588 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 18 ms 1588 KB Output is correct
13 Correct 5 ms 1492 KB Output is correct
14 Correct 12 ms 1584 KB Output is correct
15 Correct 24 ms 1492 KB Output is correct
16 Correct 13 ms 1492 KB Output is correct
17 Correct 5 ms 1492 KB Output is correct
18 Correct 4 ms 1492 KB Output is correct
19 Correct 6 ms 1492 KB Output is correct
20 Correct 10 ms 1588 KB Output is correct
21 Correct 8 ms 1492 KB Output is correct
22 Correct 7 ms 1492 KB Output is correct
23 Correct 101 ms 1492 KB Output is correct
24 Correct 38 ms 1492 KB Output is correct
25 Correct 86 ms 1564 KB Output is correct
26 Correct 93 ms 1560 KB Output is correct
27 Correct 106 ms 1492 KB Output is correct
28 Correct 60 ms 1580 KB Output is correct
29 Correct 2 ms 1492 KB Output is correct
30 Correct 20 ms 1584 KB Output is correct
31 Correct 7 ms 1492 KB Output is correct
32 Correct 13 ms 1588 KB Output is correct
33 Correct 24 ms 1492 KB Output is correct
34 Correct 10 ms 1584 KB Output is correct
35 Correct 4 ms 1584 KB Output is correct
36 Correct 5 ms 1492 KB Output is correct
37 Correct 5 ms 1492 KB Output is correct
38 Correct 10 ms 1580 KB Output is correct
39 Correct 7 ms 1588 KB Output is correct
40 Correct 7 ms 1584 KB Output is correct
41 Correct 91 ms 1560 KB Output is correct
42 Correct 39 ms 1560 KB Output is correct
43 Correct 88 ms 1560 KB Output is correct
44 Correct 91 ms 1564 KB Output is correct
45 Correct 109 ms 1568 KB Output is correct
46 Correct 59 ms 1492 KB Output is correct
47 Incorrect 15 ms 1588 KB Output isn't correct
48 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 2 ms 1492 KB Output is correct
5 Correct 158 ms 1564 KB Output is correct
6 Correct 233 ms 1568 KB Output is correct
7 Correct 52 ms 1612 KB Output is correct
8 Correct 173 ms 1564 KB Output is correct
9 Correct 317 ms 1564 KB Output is correct
10 Correct 8 ms 1492 KB Output is correct
11 Correct 10 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 1 ms 1492 KB Output is correct
14 Correct 1 ms 1492 KB Output is correct
15 Correct 2 ms 1492 KB Output is correct
16 Correct 146 ms 1568 KB Output is correct
17 Correct 217 ms 1568 KB Output is correct
18 Correct 48 ms 1564 KB Output is correct
19 Correct 172 ms 1568 KB Output is correct
20 Correct 320 ms 1560 KB Output is correct
21 Correct 7 ms 1492 KB Output is correct
22 Correct 8 ms 1492 KB Output is correct
23 Correct 499 ms 1568 KB Output is correct
24 Correct 952 ms 1572 KB Output is correct
25 Correct 251 ms 1492 KB Output is correct
26 Correct 1025 ms 1564 KB Output is correct
27 Correct 811 ms 1568 KB Output is correct
28 Incorrect 16 ms 1492 KB Output isn't correct
29 Halted 0 ms 0 KB -