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Submission #1086923

# Submission time Handle Problem Language Result Execution time Memory
1086923 2024-09-11T18:03:40 Z vjudge1 Uplifting Excursion (BOI22_vault) C++17
30 / 100
 513 ms 4440 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;
    if (m > 100) return 0; // no sub6
    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;

        memcpy(dp[idp], dp[idp^1], sizeof dp[idp]);
        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);
                }
            }
            memcpy(dp[idp^1], dp[idp], sizeof dp[idp]);
            // 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 4188 KB Output is correct
2 Correct 3 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 6 ms 4188 KB Output is correct
5 Correct 27 ms 4188 KB Output is correct
6 Correct 26 ms 4280 KB Output is correct
7 Correct 22 ms 4188 KB Output is correct
8 Correct 26 ms 4276 KB Output is correct
9 Incorrect 37 ms 4188 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 4188 KB Output is correct
2 Correct 3 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 6 ms 4188 KB Output is correct
5 Correct 27 ms 4188 KB Output is correct
6 Correct 26 ms 4280 KB Output is correct
7 Correct 22 ms 4188 KB Output is correct
8 Correct 26 ms 4276 KB Output is correct
9 Incorrect 37 ms 4188 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 5 ms 4188 KB Output is correct
2 Correct 14 ms 4288 KB Output is correct
3 Correct 12 ms 4276 KB Output is correct
4 Correct 15 ms 4280 KB Output is correct
5 Correct 13 ms 4184 KB Output is correct
6 Correct 13 ms 4188 KB Output is correct
7 Correct 11 ms 4280 KB Output is correct
8 Correct 11 ms 4188 KB Output is correct
9 Correct 13 ms 4184 KB Output is correct
10 Correct 12 ms 4288 KB Output is correct

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4188 KB Output is correct
2 Correct 14 ms 4288 KB Output is correct
3 Correct 12 ms 4276 KB Output is correct
4 Correct 15 ms 4280 KB Output is correct
5 Correct 13 ms 4184 KB Output is correct
6 Correct 13 ms 4188 KB Output is correct
7 Correct 11 ms 4280 KB Output is correct
8 Correct 11 ms 4188 KB Output is correct
9 Correct 13 ms 4184 KB Output is correct
10 Correct 12 ms 4288 KB Output is correct
11 Correct 2 ms 4188 KB Output is correct
12 Correct 3 ms 4188 KB Output is correct
13 Correct 2 ms 4188 KB Output is correct
14 Correct 5 ms 4188 KB Output is correct
15 Correct 14 ms 4256 KB Output is correct
16 Correct 11 ms 4288 KB Output is correct
17 Correct 14 ms 4272 KB Output is correct
18 Correct 15 ms 4280 KB Output is correct
19 Correct 14 ms 4188 KB Output is correct
20 Correct 11 ms 4188 KB Output is correct
21 Correct 11 ms 4284 KB Output is correct
22 Correct 13 ms 4188 KB Output is correct
23 Correct 12 ms 4280 KB Output is correct
24 Correct 15 ms 4288 KB Output is correct
25 Correct 11 ms 4188 KB Output is correct
26 Incorrect 14 ms 4284 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 5 ms 4188 KB Output is correct
2 Correct 14 ms 4288 KB Output is correct
3 Correct 12 ms 4276 KB Output is correct
4 Correct 15 ms 4280 KB Output is correct
5 Correct 13 ms 4184 KB Output is correct
6 Correct 13 ms 4188 KB Output is correct
7 Correct 11 ms 4280 KB Output is correct
8 Correct 11 ms 4188 KB Output is correct
9 Correct 13 ms 4184 KB Output is correct
10 Correct 12 ms 4288 KB Output is correct
11 Correct 5 ms 4184 KB Output is correct
12 Correct 13 ms 4188 KB Output is correct
13 Correct 11 ms 4188 KB Output is correct
14 Correct 14 ms 4276 KB Output is correct
15 Correct 12 ms 4280 KB Output is correct
16 Correct 15 ms 4188 KB Output is correct
17 Correct 12 ms 4276 KB Output is correct
18 Correct 12 ms 4440 KB Output is correct
19 Correct 14 ms 4188 KB Output is correct
20 Correct 13 ms 4188 KB Output is correct
21 Correct 17 ms 4184 KB Output is correct
22 Correct 17 ms 4280 KB Output is correct
23 Correct 29 ms 4188 KB Output is correct
24 Correct 23 ms 4280 KB Output is correct
25 Correct 36 ms 4184 KB Output is correct
26 Correct 40 ms 4188 KB Output is correct
27 Correct 43 ms 4184 KB Output is correct
28 Correct 36 ms 4184 KB Output is correct

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4188 KB Output is correct
2 Correct 3 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 6 ms 4188 KB Output is correct
5 Correct 27 ms 4188 KB Output is correct
6 Correct 26 ms 4280 KB Output is correct
7 Correct 22 ms 4188 KB Output is correct
8 Correct 26 ms 4276 KB Output is correct
9 Incorrect 37 ms 4188 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 5 ms 4188 KB Output is correct
2 Correct 14 ms 4288 KB Output is correct
3 Correct 12 ms 4276 KB Output is correct
4 Correct 15 ms 4280 KB Output is correct
5 Correct 13 ms 4184 KB Output is correct
6 Correct 13 ms 4188 KB Output is correct
7 Correct 11 ms 4280 KB Output is correct
8 Correct 11 ms 4188 KB Output is correct
9 Correct 13 ms 4184 KB Output is correct
10 Correct 12 ms 4288 KB Output is correct
11 Correct 5 ms 4184 KB Output is correct
12 Correct 13 ms 4188 KB Output is correct
13 Correct 11 ms 4188 KB Output is correct
14 Correct 14 ms 4276 KB Output is correct
15 Correct 12 ms 4280 KB Output is correct
16 Correct 15 ms 4188 KB Output is correct
17 Correct 12 ms 4276 KB Output is correct
18 Correct 12 ms 4440 KB Output is correct
19 Correct 14 ms 4188 KB Output is correct
20 Correct 13 ms 4188 KB Output is correct
21 Correct 17 ms 4184 KB Output is correct
22 Correct 17 ms 4280 KB Output is correct
23 Correct 29 ms 4188 KB Output is correct
24 Correct 23 ms 4280 KB Output is correct
25 Correct 36 ms 4184 KB Output is correct
26 Correct 40 ms 4188 KB Output is correct
27 Correct 43 ms 4184 KB Output is correct
28 Correct 36 ms 4184 KB Output is correct
29 Correct 5 ms 4188 KB Output is correct
30 Correct 14 ms 4280 KB Output is correct
31 Correct 12 ms 4280 KB Output is correct
32 Correct 14 ms 4280 KB Output is correct
33 Correct 13 ms 4276 KB Output is correct
34 Correct 16 ms 4188 KB Output is correct
35 Correct 11 ms 4188 KB Output is correct
36 Correct 10 ms 4188 KB Output is correct
37 Correct 13 ms 4276 KB Output is correct
38 Correct 12 ms 4184 KB Output is correct
39 Correct 18 ms 4188 KB Output is correct
40 Correct 17 ms 4284 KB Output is correct
41 Correct 29 ms 4188 KB Output is correct
42 Correct 22 ms 4280 KB Output is correct
43 Correct 36 ms 4188 KB Output is correct
44 Correct 42 ms 4184 KB Output is correct
45 Correct 42 ms 4256 KB Output is correct
46 Correct 34 ms 4188 KB Output is correct
47 Correct 40 ms 4256 KB Output is correct
48 Correct 46 ms 4188 KB Output is correct
49 Correct 439 ms 4188 KB Output is correct
50 Correct 101 ms 4260 KB Output is correct
51 Correct 502 ms 4184 KB Output is correct
52 Correct 414 ms 4208 KB Output is correct
53 Correct 476 ms 4184 KB Output is correct
54 Correct 389 ms 4188 KB Output is correct

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4188 KB Output is correct
2 Correct 3 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 6 ms 4188 KB Output is correct
5 Correct 27 ms 4188 KB Output is correct
6 Correct 26 ms 4280 KB Output is correct
7 Correct 22 ms 4188 KB Output is correct
8 Correct 26 ms 4276 KB Output is correct
9 Incorrect 37 ms 4188 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 5 ms 4188 KB Output is correct
2 Correct 14 ms 4288 KB Output is correct
3 Correct 12 ms 4276 KB Output is correct
4 Correct 15 ms 4280 KB Output is correct
5 Correct 13 ms 4184 KB Output is correct
6 Correct 13 ms 4188 KB Output is correct
7 Correct 11 ms 4280 KB Output is correct
8 Correct 11 ms 4188 KB Output is correct
9 Correct 13 ms 4184 KB Output is correct
10 Correct 12 ms 4288 KB Output is correct
11 Correct 5 ms 4184 KB Output is correct
12 Correct 13 ms 4188 KB Output is correct
13 Correct 11 ms 4188 KB Output is correct
14 Correct 14 ms 4276 KB Output is correct
15 Correct 12 ms 4280 KB Output is correct
16 Correct 15 ms 4188 KB Output is correct
17 Correct 12 ms 4276 KB Output is correct
18 Correct 12 ms 4440 KB Output is correct
19 Correct 14 ms 4188 KB Output is correct
20 Correct 13 ms 4188 KB Output is correct
21 Correct 17 ms 4184 KB Output is correct
22 Correct 17 ms 4280 KB Output is correct
23 Correct 29 ms 4188 KB Output is correct
24 Correct 23 ms 4280 KB Output is correct
25 Correct 36 ms 4184 KB Output is correct
26 Correct 40 ms 4188 KB Output is correct
27 Correct 43 ms 4184 KB Output is correct
28 Correct 36 ms 4184 KB Output is correct
29 Correct 5 ms 4188 KB Output is correct
30 Correct 14 ms 4280 KB Output is correct
31 Correct 12 ms 4280 KB Output is correct
32 Correct 14 ms 4280 KB Output is correct
33 Correct 13 ms 4276 KB Output is correct
34 Correct 16 ms 4188 KB Output is correct
35 Correct 11 ms 4188 KB Output is correct
36 Correct 10 ms 4188 KB Output is correct
37 Correct 13 ms 4276 KB Output is correct
38 Correct 12 ms 4184 KB Output is correct
39 Correct 18 ms 4188 KB Output is correct
40 Correct 17 ms 4284 KB Output is correct
41 Correct 29 ms 4188 KB Output is correct
42 Correct 22 ms 4280 KB Output is correct
43 Correct 36 ms 4188 KB Output is correct
44 Correct 42 ms 4184 KB Output is correct
45 Correct 42 ms 4256 KB Output is correct
46 Correct 34 ms 4188 KB Output is correct
47 Correct 40 ms 4256 KB Output is correct
48 Correct 46 ms 4188 KB Output is correct
49 Correct 439 ms 4188 KB Output is correct
50 Correct 101 ms 4260 KB Output is correct
51 Correct 502 ms 4184 KB Output is correct
52 Correct 414 ms 4208 KB Output is correct
53 Correct 476 ms 4184 KB Output is correct
54 Correct 389 ms 4188 KB Output is correct
55 Correct 6 ms 4188 KB Output is correct
56 Correct 14 ms 4112 KB Output is correct
57 Correct 11 ms 4272 KB Output is correct
58 Correct 14 ms 4188 KB Output is correct
59 Correct 13 ms 4280 KB Output is correct
60 Correct 14 ms 4188 KB Output is correct
61 Correct 12 ms 4188 KB Output is correct
62 Correct 11 ms 4284 KB Output is correct
63 Correct 13 ms 4188 KB Output is correct
64 Correct 12 ms 4188 KB Output is correct
65 Correct 17 ms 4284 KB Output is correct
66 Correct 20 ms 4184 KB Output is correct
67 Correct 30 ms 4188 KB Output is correct
68 Correct 23 ms 4184 KB Output is correct
69 Correct 36 ms 4188 KB Output is correct
70 Correct 39 ms 4184 KB Output is correct
71 Correct 42 ms 4260 KB Output is correct
72 Correct 36 ms 4188 KB Output is correct
73 Correct 38 ms 4188 KB Output is correct
74 Correct 39 ms 4184 KB Output is correct
75 Correct 428 ms 4252 KB Output is correct
76 Correct 99 ms 4188 KB Output is correct
77 Correct 513 ms 4188 KB Output is correct
78 Correct 432 ms 4256 KB Output is correct
79 Correct 507 ms 4188 KB Output is correct
80 Correct 416 ms 4184 KB Output is correct
81 Incorrect 1 ms 344 KB Output isn't correct
82 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4188 KB Output is correct
2 Correct 3 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 6 ms 4188 KB Output is correct
5 Correct 27 ms 4188 KB Output is correct
6 Correct 26 ms 4280 KB Output is correct
7 Correct 22 ms 4188 KB Output is correct
8 Correct 26 ms 4276 KB Output is correct
9 Incorrect 37 ms 4188 KB Output isn't correct
10 Halted 0 ms 0 KB -