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Submission #1086926

# Submission time Handle Problem Language Result Execution time Memory
1086926 2024-09-11T18:50:27 Z vjudge1 Uplifting Excursion (BOI22_vault) C++17
45 / 100
 5000 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;
    for (int i = -m; i <= m; ++i) cin >> A[i+off];
    ll zz = -l;
    for (int i = -m; i <= m; ++i) {
        zz += A[i+off] * i;
    }
    if (zz < 0) {
        l = -l;
        for (int i = -m; i < 0; ++i) {
            int j = -i;
            int idx = i+off, idx2 = j+off;
            swap(A[idx], A[idx2]);
        }
    }

    ll itm = 0;
    memset(dp, 0xc3, sizeof dp);
    dp[0][off2] = 0;
    int idp = 1;

    for (int i = -m; i <= m; ++i) {
        ll take = i <= 0 ? A[i+off] : min(A[i+off], max(0LL, l / i));
        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+i; ++j) {
                deque<int> dq;
                dq.emplace_back(j);
                for (int k = j + i; k <= m*m; k += i) {
                    while (dq.size() && (k-dq.front())/i > A[i+off]) dq.pop_front();
                    while (dq.size() && dp[idp^1][k+off2] >= dp[idp^1][dq.back()+off2]+(k-dq.back())/i) dq.pop_back();
                    dq.emplace_back(k);

                    if (dq.size()) dp[idp][k+off2] = max(dp[idp][k+off2], 
                        dp[idp^1][dq.front()+off2] + (k-dq.front())/i);
                }
                //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
            if (i > 0) {
                for (int j = m*m; j >= -m*m; --j) {
                    deque<int> dq;
                    dq.emplace_back(j);
                    for (int k = j-i; k >= -m*m; k -= i) {
                        while (dq.size() && (dq.front()-k)/i > take) dq.pop_front();
                        while (dq.size() && dp[idp^1][k+off2] >= dp[idp^1][dq.back()+off2]-(dq.back()-k)/i)
                            dq.pop_back();
                        dq.emplace_back(k);
                        if (dq.size()) dp[idp][k+off2] = max(dp[idp][k+off2],
                            dp[idp^1][dq.front()+off2] - (dq.front()-k)/i);
                    }
                    //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);
                    //}
                    }
            }
            else {
                for (int j = -m*m; j < -m*m+i; ++j) {
                    deque<int> dq;
                    dq.emplace_back(j);
                    for (int k = j + i; k <= m*m; k += i) {
                        while (dq.size() && (dq.front()-k)/i > take) dq.pop_front();
                        while (dq.size() && dp[idp^1][k+off2] >= dp[idp^1][dq.back()+off2]-(dq.back()-k)/i) 
                            dq.pop_back();
                        dq.emplace_back(k);

                        if (dq.size()) dp[idp][k+off2] = max(dp[idp][k+off2], 
                            dp[idp^1][dq.front()+off2] - (dq.front()-k)/i);
                    }
                }
            }
        }
        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
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4288 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 5 ms 4284 KB Output is correct
5 Correct 478 ms 4252 KB Output is correct
6 Correct 631 ms 4256 KB Output is correct
7 Correct 487 ms 4260 KB Output is correct
8 Correct 619 ms 4188 KB Output is correct
9 Correct 577 ms 4188 KB Output is correct
10 Correct 486 ms 4272 KB Output is correct
11 Correct 490 ms 4184 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4288 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 5 ms 4284 KB Output is correct
5 Correct 478 ms 4252 KB Output is correct
6 Correct 631 ms 4256 KB Output is correct
7 Correct 487 ms 4260 KB Output is correct
8 Correct 619 ms 4188 KB Output is correct
9 Correct 577 ms 4188 KB Output is correct
10 Correct 486 ms 4272 KB Output is correct
11 Correct 490 ms 4184 KB Output is correct
12 Correct 2 ms 4184 KB Output is correct
13 Correct 3 ms 4188 KB Output is correct
14 Correct 1 ms 4188 KB Output is correct
15 Correct 6 ms 4188 KB Output is correct
16 Correct 476 ms 4256 KB Output is correct
17 Correct 652 ms 4184 KB Output is correct
18 Correct 495 ms 4260 KB Output is correct
19 Correct 618 ms 4184 KB Output is correct
20 Correct 588 ms 4184 KB Output is correct
21 Correct 484 ms 4256 KB Output is correct
22 Correct 486 ms 4184 KB Output is correct
23 Execution timed out 5037 ms 4184 KB Time limit exceeded
24 Halted 0 ms 0 KB -

Subtask #3-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4188 KB Output is correct
2 Correct 81 ms 4256 KB Output is correct
3 Correct 67 ms 4188 KB Output is correct
4 Correct 76 ms 4188 KB Output is correct
5 Correct 82 ms 4184 KB Output is correct
6 Correct 71 ms 4188 KB Output is correct
7 Correct 64 ms 4184 KB Output is correct
8 Correct 65 ms 4184 KB Output is correct
9 Correct 78 ms 4188 KB Output is correct
10 Correct 96 ms 4188 KB Output is correct

Subtask #3-2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4188 KB Output is correct
2 Correct 81 ms 4256 KB Output is correct
3 Correct 67 ms 4188 KB Output is correct
4 Correct 76 ms 4188 KB Output is correct
5 Correct 82 ms 4184 KB Output is correct
6 Correct 71 ms 4188 KB Output is correct
7 Correct 64 ms 4184 KB Output is correct
8 Correct 65 ms 4184 KB Output is correct
9 Correct 78 ms 4188 KB Output is correct
10 Correct 96 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 4268 KB Output is correct
14 Correct 5 ms 4188 KB Output is correct
15 Correct 86 ms 4188 KB Output is correct
16 Correct 68 ms 4252 KB Output is correct
17 Correct 82 ms 4252 KB Output is correct
18 Correct 81 ms 4188 KB Output is correct
19 Correct 89 ms 4252 KB Output is correct
20 Correct 76 ms 4188 KB Output is correct
21 Correct 68 ms 4252 KB Output is correct
22 Correct 95 ms 4184 KB Output is correct
23 Correct 77 ms 4188 KB Output is correct
24 Correct 79 ms 4188 KB Output is correct
25 Correct 65 ms 4188 KB Output is correct
26 Correct 72 ms 4252 KB Output is correct
27 Correct 87 ms 4256 KB Output is correct
28 Correct 71 ms 4184 KB Output is correct

Subtask #4-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4188 KB Output is correct
2 Correct 81 ms 4256 KB Output is correct
3 Correct 67 ms 4188 KB Output is correct
4 Correct 76 ms 4188 KB Output is correct
5 Correct 82 ms 4184 KB Output is correct
6 Correct 71 ms 4188 KB Output is correct
7 Correct 64 ms 4184 KB Output is correct
8 Correct 65 ms 4184 KB Output is correct
9 Correct 78 ms 4188 KB Output is correct
10 Correct 96 ms 4188 KB Output is correct
11 Correct 5 ms 4188 KB Output is correct
12 Correct 85 ms 4252 KB Output is correct
13 Correct 66 ms 4184 KB Output is correct
14 Correct 82 ms 4432 KB Output is correct
15 Correct 84 ms 4256 KB Output is correct
16 Correct 72 ms 4188 KB Output is correct
17 Correct 64 ms 4184 KB Output is correct
18 Correct 65 ms 4184 KB Output is correct
19 Correct 78 ms 4256 KB Output is correct
20 Correct 81 ms 4184 KB Output is correct
21 Correct 488 ms 4440 KB Output is correct
22 Correct 523 ms 4188 KB Output is correct
23 Correct 632 ms 4440 KB Output is correct
24 Correct 531 ms 4184 KB Output is correct
25 Correct 641 ms 4184 KB Output is correct
26 Correct 651 ms 4184 KB Output is correct
27 Correct 558 ms 4252 KB Output is correct
28 Correct 612 ms 4436 KB Output is correct

Subtask #4-2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4288 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 5 ms 4284 KB Output is correct
5 Correct 478 ms 4252 KB Output is correct
6 Correct 631 ms 4256 KB Output is correct
7 Correct 487 ms 4260 KB Output is correct
8 Correct 619 ms 4188 KB Output is correct
9 Correct 577 ms 4188 KB Output is correct
10 Correct 486 ms 4272 KB Output is correct
11 Correct 490 ms 4184 KB Output is correct
12 Correct 6 ms 4188 KB Output is correct
13 Correct 81 ms 4256 KB Output is correct
14 Correct 67 ms 4188 KB Output is correct
15 Correct 76 ms 4188 KB Output is correct
16 Correct 82 ms 4184 KB Output is correct
17 Correct 71 ms 4188 KB Output is correct
18 Correct 64 ms 4184 KB Output is correct
19 Correct 65 ms 4184 KB Output is correct
20 Correct 78 ms 4188 KB Output is correct
21 Correct 96 ms 4188 KB Output is correct
22 Correct 2 ms 4184 KB Output is correct
23 Correct 2 ms 4184 KB Output is correct
24 Correct 2 ms 4268 KB Output is correct
25 Correct 5 ms 4188 KB Output is correct
26 Correct 86 ms 4188 KB Output is correct
27 Correct 68 ms 4252 KB Output is correct
28 Correct 82 ms 4252 KB Output is correct
29 Correct 81 ms 4188 KB Output is correct
30 Correct 89 ms 4252 KB Output is correct
31 Correct 76 ms 4188 KB Output is correct
32 Correct 68 ms 4252 KB Output is correct
33 Correct 95 ms 4184 KB Output is correct
34 Correct 77 ms 4188 KB Output is correct
35 Correct 79 ms 4188 KB Output is correct
36 Correct 65 ms 4188 KB Output is correct
37 Correct 72 ms 4252 KB Output is correct
38 Correct 87 ms 4256 KB Output is correct
39 Correct 71 ms 4184 KB Output is correct
40 Correct 5 ms 4188 KB Output is correct
41 Correct 85 ms 4252 KB Output is correct
42 Correct 66 ms 4184 KB Output is correct
43 Correct 82 ms 4432 KB Output is correct
44 Correct 84 ms 4256 KB Output is correct
45 Correct 72 ms 4188 KB Output is correct
46 Correct 64 ms 4184 KB Output is correct
47 Correct 65 ms 4184 KB Output is correct
48 Correct 78 ms 4256 KB Output is correct
49 Correct 81 ms 4184 KB Output is correct
50 Correct 488 ms 4440 KB Output is correct
51 Correct 523 ms 4188 KB Output is correct
52 Correct 632 ms 4440 KB Output is correct
53 Correct 531 ms 4184 KB Output is correct
54 Correct 641 ms 4184 KB Output is correct
55 Correct 651 ms 4184 KB Output is correct
56 Correct 558 ms 4252 KB Output is correct
57 Correct 612 ms 4436 KB Output is correct
58 Correct 2 ms 4184 KB Output is correct
59 Correct 3 ms 4188 KB Output is correct
60 Correct 2 ms 4188 KB Output is correct
61 Correct 5 ms 4188 KB Output is correct
62 Correct 478 ms 4188 KB Output is correct
63 Correct 632 ms 4184 KB Output is correct
64 Correct 489 ms 4256 KB Output is correct
65 Correct 611 ms 4436 KB Output is correct
66 Correct 611 ms 4256 KB Output is correct
67 Correct 486 ms 4260 KB Output is correct
68 Correct 497 ms 4184 KB Output is correct
69 Correct 80 ms 4188 KB Output is correct
70 Correct 67 ms 4184 KB Output is correct
71 Correct 82 ms 4256 KB Output is correct
72 Correct 86 ms 4252 KB Output is correct
73 Correct 71 ms 4188 KB Output is correct
74 Correct 75 ms 4188 KB Output is correct
75 Correct 65 ms 4188 KB Output is correct
76 Correct 80 ms 4188 KB Output is correct
77 Correct 77 ms 4188 KB Output is correct
78 Correct 79 ms 4188 KB Output is correct
79 Correct 65 ms 4188 KB Output is correct
80 Correct 72 ms 4188 KB Output is correct
81 Correct 95 ms 4188 KB Output is correct
82 Correct 73 ms 4252 KB Output is correct
83 Correct 625 ms 4252 KB Output is correct
84 Correct 512 ms 4184 KB Output is correct
85 Correct 654 ms 4252 KB Output is correct
86 Correct 606 ms 4436 KB Output is correct
87 Correct 552 ms 4188 KB Output is correct
88 Correct 614 ms 4184 KB Output is correct
89 Correct 614 ms 4188 KB Output is correct
90 Correct 630 ms 4252 KB Output is correct
91 Correct 595 ms 4252 KB Output is correct
92 Correct 538 ms 4260 KB Output is correct

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4188 KB Output is correct
2 Correct 81 ms 4256 KB Output is correct
3 Correct 67 ms 4188 KB Output is correct
4 Correct 76 ms 4188 KB Output is correct
5 Correct 82 ms 4184 KB Output is correct
6 Correct 71 ms 4188 KB Output is correct
7 Correct 64 ms 4184 KB Output is correct
8 Correct 65 ms 4184 KB Output is correct
9 Correct 78 ms 4188 KB Output is correct
10 Correct 96 ms 4188 KB Output is correct
11 Correct 5 ms 4188 KB Output is correct
12 Correct 85 ms 4252 KB Output is correct
13 Correct 66 ms 4184 KB Output is correct
14 Correct 82 ms 4432 KB Output is correct
15 Correct 84 ms 4256 KB Output is correct
16 Correct 72 ms 4188 KB Output is correct
17 Correct 64 ms 4184 KB Output is correct
18 Correct 65 ms 4184 KB Output is correct
19 Correct 78 ms 4256 KB Output is correct
20 Correct 81 ms 4184 KB Output is correct
21 Correct 488 ms 4440 KB Output is correct
22 Correct 523 ms 4188 KB Output is correct
23 Correct 632 ms 4440 KB Output is correct
24 Correct 531 ms 4184 KB Output is correct
25 Correct 641 ms 4184 KB Output is correct
26 Correct 651 ms 4184 KB Output is correct
27 Correct 558 ms 4252 KB Output is correct
28 Correct 612 ms 4436 KB Output is correct
29 Correct 5 ms 4188 KB Output is correct
30 Correct 80 ms 4260 KB Output is correct
31 Correct 71 ms 4256 KB Output is correct
32 Correct 86 ms 4188 KB Output is correct
33 Correct 80 ms 4184 KB Output is correct
34 Correct 75 ms 4184 KB Output is correct
35 Correct 74 ms 4188 KB Output is correct
36 Correct 65 ms 4440 KB Output is correct
37 Correct 85 ms 4184 KB Output is correct
38 Correct 78 ms 4188 KB Output is correct
39 Correct 526 ms 4184 KB Output is correct
40 Correct 478 ms 4256 KB Output is correct
41 Correct 631 ms 4256 KB Output is correct
42 Correct 537 ms 4188 KB Output is correct
43 Correct 637 ms 4432 KB Output is correct
44 Correct 598 ms 4252 KB Output is correct
45 Correct 546 ms 4440 KB Output is correct
46 Correct 678 ms 4260 KB Output is correct
47 Execution timed out 5041 ms 4184 KB Time limit exceeded
48 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4288 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 5 ms 4284 KB Output is correct
5 Correct 478 ms 4252 KB Output is correct
6 Correct 631 ms 4256 KB Output is correct
7 Correct 487 ms 4260 KB Output is correct
8 Correct 619 ms 4188 KB Output is correct
9 Correct 577 ms 4188 KB Output is correct
10 Correct 486 ms 4272 KB Output is correct
11 Correct 490 ms 4184 KB Output is correct
12 Correct 2 ms 4184 KB Output is correct
13 Correct 3 ms 4188 KB Output is correct
14 Correct 1 ms 4188 KB Output is correct
15 Correct 6 ms 4188 KB Output is correct
16 Correct 476 ms 4256 KB Output is correct
17 Correct 652 ms 4184 KB Output is correct
18 Correct 495 ms 4260 KB Output is correct
19 Correct 618 ms 4184 KB Output is correct
20 Correct 588 ms 4184 KB Output is correct
21 Correct 484 ms 4256 KB Output is correct
22 Correct 486 ms 4184 KB Output is correct
23 Execution timed out 5037 ms 4184 KB Time limit exceeded
24 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4188 KB Output is correct
2 Correct 81 ms 4256 KB Output is correct
3 Correct 67 ms 4188 KB Output is correct
4 Correct 76 ms 4188 KB Output is correct
5 Correct 82 ms 4184 KB Output is correct
6 Correct 71 ms 4188 KB Output is correct
7 Correct 64 ms 4184 KB Output is correct
8 Correct 65 ms 4184 KB Output is correct
9 Correct 78 ms 4188 KB Output is correct
10 Correct 96 ms 4188 KB Output is correct
11 Correct 5 ms 4188 KB Output is correct
12 Correct 85 ms 4252 KB Output is correct
13 Correct 66 ms 4184 KB Output is correct
14 Correct 82 ms 4432 KB Output is correct
15 Correct 84 ms 4256 KB Output is correct
16 Correct 72 ms 4188 KB Output is correct
17 Correct 64 ms 4184 KB Output is correct
18 Correct 65 ms 4184 KB Output is correct
19 Correct 78 ms 4256 KB Output is correct
20 Correct 81 ms 4184 KB Output is correct
21 Correct 488 ms 4440 KB Output is correct
22 Correct 523 ms 4188 KB Output is correct
23 Correct 632 ms 4440 KB Output is correct
24 Correct 531 ms 4184 KB Output is correct
25 Correct 641 ms 4184 KB Output is correct
26 Correct 651 ms 4184 KB Output is correct
27 Correct 558 ms 4252 KB Output is correct
28 Correct 612 ms 4436 KB Output is correct
29 Correct 5 ms 4188 KB Output is correct
30 Correct 80 ms 4260 KB Output is correct
31 Correct 71 ms 4256 KB Output is correct
32 Correct 86 ms 4188 KB Output is correct
33 Correct 80 ms 4184 KB Output is correct
34 Correct 75 ms 4184 KB Output is correct
35 Correct 74 ms 4188 KB Output is correct
36 Correct 65 ms 4440 KB Output is correct
37 Correct 85 ms 4184 KB Output is correct
38 Correct 78 ms 4188 KB Output is correct
39 Correct 526 ms 4184 KB Output is correct
40 Correct 478 ms 4256 KB Output is correct
41 Correct 631 ms 4256 KB Output is correct
42 Correct 537 ms 4188 KB Output is correct
43 Correct 637 ms 4432 KB Output is correct
44 Correct 598 ms 4252 KB Output is correct
45 Correct 546 ms 4440 KB Output is correct
46 Correct 678 ms 4260 KB Output is correct
47 Execution timed out 5041 ms 4184 KB Time limit exceeded
48 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4288 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 2 ms 4188 KB Output is correct
4 Correct 5 ms 4284 KB Output is correct
5 Correct 478 ms 4252 KB Output is correct
6 Correct 631 ms 4256 KB Output is correct
7 Correct 487 ms 4260 KB Output is correct
8 Correct 619 ms 4188 KB Output is correct
9 Correct 577 ms 4188 KB Output is correct
10 Correct 486 ms 4272 KB Output is correct
11 Correct 490 ms 4184 KB Output is correct
12 Correct 2 ms 4184 KB Output is correct
13 Correct 3 ms 4188 KB Output is correct
14 Correct 1 ms 4188 KB Output is correct
15 Correct 6 ms 4188 KB Output is correct
16 Correct 476 ms 4256 KB Output is correct
17 Correct 652 ms 4184 KB Output is correct
18 Correct 495 ms 4260 KB Output is correct
19 Correct 618 ms 4184 KB Output is correct
20 Correct 588 ms 4184 KB Output is correct
21 Correct 484 ms 4256 KB Output is correct
22 Correct 486 ms 4184 KB Output is correct
23 Execution timed out 5037 ms 4184 KB Time limit exceeded
24 Halted 0 ms 0 KB -