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Submission #1086921

# Submission time Handle Problem Language Result Execution time Memory
1086921 2024-09-11T17:54:10 Z vjudge1 Uplifting Excursion (BOI22_vault) C++17
30 / 100
 5000 ms 4292 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long

int const M = 350;
int const MM = M*M;
int const off = 340;
int const off2 = off*off;
ll A[2*M];
ll dp[2][2*MM];

int m; ll l;

int main() {
    cin >> m >> l;
    for (int i = -m; i <= m; ++i) cin >> A[i+off];
    ll zz = 0;
    for (int i = -m; i <= m; ++i) {
        zz += A[i+off] * i;
    }
    int rev = zz < 0;

    ll itm = 0;
    memset(dp, 0xc3, sizeof dp);
    dp[0][off2] = 0;
    int idp = 1;
    for (int i = rev ? m : -m; rev ? i >= -m : i <= m; i += rev ? -1 : 1) {
        ll cut = i ? min(A[i+off], max(0ll, l/i)) : 0;
        ll take = rev ? (i>=0?A[i+off]:cut) : (i<=0?A[i+off]:cut);
        l -= take * i;
        A[i+off] -= take;
        itm += take;

        for (int j = -m*m; j <= m*m; ++j) dp[idp][j+off2] = dp[idp^1][j+off2];
        if (i != 0) {
            // try_add_to_dp A[i+off]
            for (int j = -m*m; j <= m*m; ++j) {
                for (int k = 1; (k <= A[i+off]) && (j-k*i>=-m*m) && (j-k*i<=m*m); ++k) {
                    dp[idp][j+off2] = max(dp[idp][j+off2], dp[idp^1][j-k*i+off2] + k);
                }
            }
            // try_delete_from_dp take
            for (int j = -m*m; j <= m*m; ++j) {
                for (int k = 1; (k <= take) && (j+k*i>=-m*m) && (j+k*i<=m*m); ++k) {
                    dp[idp][j+off2] = max(dp[idp][j+off2], dp[idp^1][j+k*i+off2] - k);
                }
            }
        }
        idp ^= 1;
    }
    idp ^= 1;
    if (l < -m*m || l > m*m || dp[idp][l+off2] < -1e9) {
        cout << "impossible\n";
    }
    else {
        cout << (dp[idp][l+off2] + itm) << '\n';
    }
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 2 ms 4184 KB Output is correct
5 Correct 12 ms 4280 KB Output is correct
6 Correct 13 ms 4292 KB Output is correct
7 Correct 9 ms 4280 KB Output is correct
8 Correct 12 ms 4044 KB Output is correct
9 Incorrect 21 ms 4280 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 2 ms 4184 KB Output is correct
5 Correct 12 ms 4280 KB Output is correct
6 Correct 13 ms 4292 KB Output is correct
7 Correct 9 ms 4280 KB Output is correct
8 Correct 12 ms 4044 KB Output is correct
9 Incorrect 21 ms 4280 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 4 ms 4188 KB Output is correct
3 Correct 3 ms 4288 KB Output is correct
4 Correct 5 ms 4292 KB Output is correct
5 Correct 4 ms 4188 KB Output is correct
6 Correct 5 ms 4188 KB Output is correct
7 Correct 2 ms 4188 KB Output is correct
8 Correct 2 ms 4188 KB Output is correct
9 Correct 4 ms 4188 KB Output is correct
10 Correct 3 ms 4188 KB Output is correct

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 4 ms 4188 KB Output is correct
3 Correct 3 ms 4288 KB Output is correct
4 Correct 5 ms 4292 KB Output is correct
5 Correct 4 ms 4188 KB Output is correct
6 Correct 5 ms 4188 KB Output is correct
7 Correct 2 ms 4188 KB Output is correct
8 Correct 2 ms 4188 KB Output is correct
9 Correct 4 ms 4188 KB Output is correct
10 Correct 3 ms 4188 KB Output is correct
11 Correct 2 ms 4184 KB Output is correct
12 Correct 2 ms 4184 KB Output is correct
13 Correct 2 ms 4188 KB Output is correct
14 Correct 2 ms 4188 KB Output is correct
15 Correct 4 ms 4188 KB Output is correct
16 Correct 2 ms 4188 KB Output is correct
17 Correct 5 ms 4280 KB Output is correct
18 Correct 4 ms 4280 KB Output is correct
19 Correct 5 ms 4188 KB Output is correct
20 Correct 2 ms 4188 KB Output is correct
21 Correct 2 ms 4188 KB Output is correct
22 Correct 4 ms 4188 KB Output is correct
23 Correct 3 ms 4032 KB Output is correct
24 Correct 6 ms 4188 KB Output is correct
25 Correct 3 ms 4188 KB Output is correct
26 Incorrect 6 ms 4188 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #4-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 4 ms 4188 KB Output is correct
3 Correct 3 ms 4288 KB Output is correct
4 Correct 5 ms 4292 KB Output is correct
5 Correct 4 ms 4188 KB Output is correct
6 Correct 5 ms 4188 KB Output is correct
7 Correct 2 ms 4188 KB Output is correct
8 Correct 2 ms 4188 KB Output is correct
9 Correct 4 ms 4188 KB Output is correct
10 Correct 3 ms 4188 KB Output is correct
11 Correct 2 ms 4188 KB Output is correct
12 Correct 4 ms 4188 KB Output is correct
13 Correct 2 ms 4228 KB Output is correct
14 Correct 5 ms 4184 KB Output is correct
15 Correct 4 ms 4188 KB Output is correct
16 Correct 5 ms 4276 KB Output is correct
17 Correct 2 ms 4188 KB Output is correct
18 Correct 2 ms 4188 KB Output is correct
19 Correct 3 ms 4188 KB Output is correct
20 Correct 3 ms 4188 KB Output is correct
21 Correct 3 ms 4188 KB Output is correct
22 Correct 3 ms 4188 KB Output is correct
23 Correct 15 ms 4188 KB Output is correct
24 Correct 8 ms 4188 KB Output is correct
25 Correct 21 ms 4188 KB Output is correct
26 Correct 22 ms 4284 KB Output is correct
27 Correct 31 ms 4188 KB Output is correct
28 Correct 21 ms 4188 KB Output is correct

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 2 ms 4184 KB Output is correct
5 Correct 12 ms 4280 KB Output is correct
6 Correct 13 ms 4292 KB Output is correct
7 Correct 9 ms 4280 KB Output is correct
8 Correct 12 ms 4044 KB Output is correct
9 Incorrect 21 ms 4280 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #5-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 4 ms 4188 KB Output is correct
3 Correct 3 ms 4288 KB Output is correct
4 Correct 5 ms 4292 KB Output is correct
5 Correct 4 ms 4188 KB Output is correct
6 Correct 5 ms 4188 KB Output is correct
7 Correct 2 ms 4188 KB Output is correct
8 Correct 2 ms 4188 KB Output is correct
9 Correct 4 ms 4188 KB Output is correct
10 Correct 3 ms 4188 KB Output is correct
11 Correct 2 ms 4188 KB Output is correct
12 Correct 4 ms 4188 KB Output is correct
13 Correct 2 ms 4228 KB Output is correct
14 Correct 5 ms 4184 KB Output is correct
15 Correct 4 ms 4188 KB Output is correct
16 Correct 5 ms 4276 KB Output is correct
17 Correct 2 ms 4188 KB Output is correct
18 Correct 2 ms 4188 KB Output is correct
19 Correct 3 ms 4188 KB Output is correct
20 Correct 3 ms 4188 KB Output is correct
21 Correct 3 ms 4188 KB Output is correct
22 Correct 3 ms 4188 KB Output is correct
23 Correct 15 ms 4188 KB Output is correct
24 Correct 8 ms 4188 KB Output is correct
25 Correct 21 ms 4188 KB Output is correct
26 Correct 22 ms 4284 KB Output is correct
27 Correct 31 ms 4188 KB Output is correct
28 Correct 21 ms 4188 KB Output is correct
29 Correct 2 ms 4188 KB Output is correct
30 Correct 4 ms 4284 KB Output is correct
31 Correct 3 ms 4188 KB Output is correct
32 Correct 5 ms 4188 KB Output is correct
33 Correct 4 ms 4088 KB Output is correct
34 Correct 5 ms 4184 KB Output is correct
35 Correct 2 ms 4188 KB Output is correct
36 Correct 2 ms 4188 KB Output is correct
37 Correct 4 ms 4188 KB Output is correct
38 Correct 3 ms 4276 KB Output is correct
39 Correct 3 ms 4188 KB Output is correct
40 Correct 3 ms 4188 KB Output is correct
41 Correct 16 ms 4188 KB Output is correct
42 Correct 10 ms 4284 KB Output is correct
43 Correct 21 ms 4188 KB Output is correct
44 Correct 23 ms 4284 KB Output is correct
45 Correct 27 ms 4188 KB Output is correct
46 Correct 21 ms 4188 KB Output is correct
47 Correct 13 ms 4188 KB Output is correct
48 Correct 13 ms 4280 KB Output is correct
49 Correct 466 ms 4188 KB Output is correct
50 Correct 84 ms 4184 KB Output is correct
51 Correct 482 ms 4184 KB Output is correct
52 Correct 393 ms 4260 KB Output is correct
53 Correct 455 ms 4188 KB Output is correct
54 Correct 361 ms 4188 KB Output is correct

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 2 ms 4184 KB Output is correct
5 Correct 12 ms 4280 KB Output is correct
6 Correct 13 ms 4292 KB Output is correct
7 Correct 9 ms 4280 KB Output is correct
8 Correct 12 ms 4044 KB Output is correct
9 Incorrect 21 ms 4280 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 4 ms 4188 KB Output is correct
3 Correct 3 ms 4288 KB Output is correct
4 Correct 5 ms 4292 KB Output is correct
5 Correct 4 ms 4188 KB Output is correct
6 Correct 5 ms 4188 KB Output is correct
7 Correct 2 ms 4188 KB Output is correct
8 Correct 2 ms 4188 KB Output is correct
9 Correct 4 ms 4188 KB Output is correct
10 Correct 3 ms 4188 KB Output is correct
11 Correct 2 ms 4188 KB Output is correct
12 Correct 4 ms 4188 KB Output is correct
13 Correct 2 ms 4228 KB Output is correct
14 Correct 5 ms 4184 KB Output is correct
15 Correct 4 ms 4188 KB Output is correct
16 Correct 5 ms 4276 KB Output is correct
17 Correct 2 ms 4188 KB Output is correct
18 Correct 2 ms 4188 KB Output is correct
19 Correct 3 ms 4188 KB Output is correct
20 Correct 3 ms 4188 KB Output is correct
21 Correct 3 ms 4188 KB Output is correct
22 Correct 3 ms 4188 KB Output is correct
23 Correct 15 ms 4188 KB Output is correct
24 Correct 8 ms 4188 KB Output is correct
25 Correct 21 ms 4188 KB Output is correct
26 Correct 22 ms 4284 KB Output is correct
27 Correct 31 ms 4188 KB Output is correct
28 Correct 21 ms 4188 KB Output is correct
29 Correct 2 ms 4188 KB Output is correct
30 Correct 4 ms 4284 KB Output is correct
31 Correct 3 ms 4188 KB Output is correct
32 Correct 5 ms 4188 KB Output is correct
33 Correct 4 ms 4088 KB Output is correct
34 Correct 5 ms 4184 KB Output is correct
35 Correct 2 ms 4188 KB Output is correct
36 Correct 2 ms 4188 KB Output is correct
37 Correct 4 ms 4188 KB Output is correct
38 Correct 3 ms 4276 KB Output is correct
39 Correct 3 ms 4188 KB Output is correct
40 Correct 3 ms 4188 KB Output is correct
41 Correct 16 ms 4188 KB Output is correct
42 Correct 10 ms 4284 KB Output is correct
43 Correct 21 ms 4188 KB Output is correct
44 Correct 23 ms 4284 KB Output is correct
45 Correct 27 ms 4188 KB Output is correct
46 Correct 21 ms 4188 KB Output is correct
47 Correct 13 ms 4188 KB Output is correct
48 Correct 13 ms 4280 KB Output is correct
49 Correct 466 ms 4188 KB Output is correct
50 Correct 84 ms 4184 KB Output is correct
51 Correct 482 ms 4184 KB Output is correct
52 Correct 393 ms 4260 KB Output is correct
53 Correct 455 ms 4188 KB Output is correct
54 Correct 361 ms 4188 KB Output is correct
55 Correct 2 ms 4184 KB Output is correct
56 Correct 4 ms 4280 KB Output is correct
57 Correct 4 ms 4188 KB Output is correct
58 Correct 5 ms 4188 KB Output is correct
59 Correct 3 ms 4188 KB Output is correct
60 Correct 5 ms 4188 KB Output is correct
61 Correct 2 ms 4188 KB Output is correct
62 Correct 2 ms 4188 KB Output is correct
63 Correct 4 ms 4188 KB Output is correct
64 Correct 3 ms 4280 KB Output is correct
65 Correct 3 ms 4188 KB Output is correct
66 Correct 3 ms 4188 KB Output is correct
67 Correct 16 ms 4288 KB Output is correct
68 Correct 7 ms 4184 KB Output is correct
69 Correct 21 ms 4188 KB Output is correct
70 Correct 22 ms 4188 KB Output is correct
71 Correct 27 ms 4188 KB Output is correct
72 Correct 25 ms 4184 KB Output is correct
73 Correct 13 ms 4184 KB Output is correct
74 Correct 13 ms 4276 KB Output is correct
75 Correct 409 ms 4256 KB Output is correct
76 Correct 76 ms 4188 KB Output is correct
77 Correct 479 ms 4256 KB Output is correct
78 Correct 391 ms 4188 KB Output is correct
79 Correct 465 ms 4184 KB Output is correct
80 Correct 367 ms 4252 KB Output is correct
81 Execution timed out 5071 ms 4188 KB Time limit exceeded
82 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 2 ms 4184 KB Output is correct
5 Correct 12 ms 4280 KB Output is correct
6 Correct 13 ms 4292 KB Output is correct
7 Correct 9 ms 4280 KB Output is correct
8 Correct 12 ms 4044 KB Output is correct
9 Incorrect 21 ms 4280 KB Output isn't correct
10 Halted 0 ms 0 KB -