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Submission #1026005

# Submission time Handle Problem Language Result Execution time Memory
1026005 2024-07-17T12:28:51 Z ach00 Feast (NOI19_feast) C++14
100 / 100
 747 ms 27372 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define MP make_pair
#define EPS 0.00001
int n,k;
vector<ll> W;
pair<ll,ll> solve(ll pen) {
    vector<vector<pair<ll,ll>>> dp(300005, vector<pair<ll,ll>>(2));
    dp[0][0] = {0, 0};
    dp[0][1] = {W[0] - pen, 1};
    for(int i = 1; i < n; i++) {
        dp[i][0] = max(dp[i-1][0], dp[i-1][1]);
        dp[i][1] = max(MP(dp[i-1][1].first + W[i], dp[i-1][1].second), MP(dp[i-1][0].first + W[i] - pen, dp[i-1][0].second + 1));
    }
    return max(dp[n-1][0], dp[n-1][1]);
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n >> k;
    ll lower = 0;
    ll upper = 10000000000000;
    W.resize(n); for(auto &a : W) cin >> a;
    while(lower < upper) {
        ll m = (lower+upper+1)/2;
        auto K = solve(m);
        if(K.second >= k) {
            lower = m;
        } else {
            upper = m-1;
        }
    }
    auto K = solve(lower);
    cout << K.first + k*lower;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 660 ms 26240 KB Output is correct
2 Correct 600 ms 26508 KB Output is correct
3 Correct 613 ms 26576 KB Output is correct
4 Correct 659 ms 26596 KB Output is correct
5 Correct 662 ms 26520 KB Output is correct
6 Correct 608 ms 26736 KB Output is correct
7 Correct 596 ms 26720 KB Output is correct
8 Correct 613 ms 26868 KB Output is correct
9 Correct 603 ms 26736 KB Output is correct
10 Correct 634 ms 26796 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 600 ms 25064 KB Output is correct
2 Correct 606 ms 25108 KB Output is correct
3 Correct 589 ms 25292 KB Output is correct
4 Correct 592 ms 25088 KB Output is correct
5 Correct 610 ms 26716 KB Output is correct
6 Correct 596 ms 25120 KB Output is correct
7 Correct 601 ms 25132 KB Output is correct
8 Correct 627 ms 26924 KB Output is correct
9 Correct 635 ms 26796 KB Output is correct
10 Correct 621 ms 25140 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 657 ms 26992 KB Output is correct
2 Correct 650 ms 27372 KB Output is correct
3 Correct 672 ms 27084 KB Output is correct
4 Correct 638 ms 26936 KB Output is correct
5 Correct 616 ms 26992 KB Output is correct
6 Correct 623 ms 27004 KB Output is correct
7 Correct 665 ms 27016 KB Output is correct
8 Correct 676 ms 26988 KB Output is correct
9 Correct 654 ms 27060 KB Output is correct
10 Correct 681 ms 27088 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 668 ms 21740 KB Output is correct
2 Correct 610 ms 21648 KB Output is correct
3 Correct 644 ms 21684 KB Output is correct
4 Correct 575 ms 21648 KB Output is correct
5 Correct 616 ms 21656 KB Output is correct
6 Correct 607 ms 21636 KB Output is correct
7 Correct 567 ms 21648 KB Output is correct
8 Correct 569 ms 21620 KB Output is correct
9 Correct 558 ms 21672 KB Output is correct
10 Correct 600 ms 21696 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 668 ms 21740 KB Output is correct
2 Correct 610 ms 21648 KB Output is correct
3 Correct 644 ms 21684 KB Output is correct
4 Correct 575 ms 21648 KB Output is correct
5 Correct 616 ms 21656 KB Output is correct
6 Correct 607 ms 21636 KB Output is correct
7 Correct 567 ms 21648 KB Output is correct
8 Correct 569 ms 21620 KB Output is correct
9 Correct 558 ms 21672 KB Output is correct
10 Correct 600 ms 21696 KB Output is correct
11 Correct 598 ms 21676 KB Output is correct
12 Correct 541 ms 21636 KB Output is correct
13 Correct 548 ms 21640 KB Output is correct
14 Correct 524 ms 21632 KB Output is correct
15 Correct 527 ms 21640 KB Output is correct
16 Correct 566 ms 21604 KB Output is correct
17 Correct 541 ms 21688 KB Output is correct
18 Correct 539 ms 21664 KB Output is correct
19 Correct 528 ms 21672 KB Output is correct
20 Correct 560 ms 21640 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 668 ms 21740 KB Output is correct
2 Correct 610 ms 21648 KB Output is correct
3 Correct 644 ms 21684 KB Output is correct
4 Correct 575 ms 21648 KB Output is correct
5 Correct 616 ms 21656 KB Output is correct
6 Correct 607 ms 21636 KB Output is correct
7 Correct 567 ms 21648 KB Output is correct
8 Correct 569 ms 21620 KB Output is correct
9 Correct 558 ms 21672 KB Output is correct
10 Correct 600 ms 21696 KB Output is correct
11 Correct 598 ms 21676 KB Output is correct
12 Correct 541 ms 21636 KB Output is correct
13 Correct 548 ms 21640 KB Output is correct
14 Correct 524 ms 21632 KB Output is correct
15 Correct 527 ms 21640 KB Output is correct
16 Correct 566 ms 21604 KB Output is correct
17 Correct 541 ms 21688 KB Output is correct
18 Correct 539 ms 21664 KB Output is correct
19 Correct 528 ms 21672 KB Output is correct
20 Correct 560 ms 21640 KB Output is correct
21 Correct 567 ms 21880 KB Output is correct
22 Correct 564 ms 21760 KB Output is correct
23 Correct 573 ms 21632 KB Output is correct
24 Correct 615 ms 21924 KB Output is correct
25 Correct 536 ms 21640 KB Output is correct
26 Correct 547 ms 21656 KB Output is correct
27 Correct 523 ms 21640 KB Output is correct
28 Correct 540 ms 21672 KB Output is correct
29 Correct 529 ms 21680 KB Output is correct
30 Correct 522 ms 21648 KB Output is correct

Subtask #7
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 660 ms 26240 KB Output is correct
2 Correct 600 ms 26508 KB Output is correct
3 Correct 613 ms 26576 KB Output is correct
4 Correct 659 ms 26596 KB Output is correct
5 Correct 662 ms 26520 KB Output is correct
6 Correct 608 ms 26736 KB Output is correct
7 Correct 596 ms 26720 KB Output is correct
8 Correct 613 ms 26868 KB Output is correct
9 Correct 603 ms 26736 KB Output is correct
10 Correct 634 ms 26796 KB Output is correct
11 Correct 600 ms 25064 KB Output is correct
12 Correct 606 ms 25108 KB Output is correct
13 Correct 589 ms 25292 KB Output is correct
14 Correct 592 ms 25088 KB Output is correct
15 Correct 610 ms 26716 KB Output is correct
16 Correct 596 ms 25120 KB Output is correct
17 Correct 601 ms 25132 KB Output is correct
18 Correct 627 ms 26924 KB Output is correct
19 Correct 635 ms 26796 KB Output is correct
20 Correct 621 ms 25140 KB Output is correct
21 Correct 657 ms 26992 KB Output is correct
22 Correct 650 ms 27372 KB Output is correct
23 Correct 672 ms 27084 KB Output is correct
24 Correct 638 ms 26936 KB Output is correct
25 Correct 616 ms 26992 KB Output is correct
26 Correct 623 ms 27004 KB Output is correct
27 Correct 665 ms 27016 KB Output is correct
28 Correct 676 ms 26988 KB Output is correct
29 Correct 654 ms 27060 KB Output is correct
30 Correct 681 ms 27088 KB Output is correct
31 Correct 668 ms 21740 KB Output is correct
32 Correct 610 ms 21648 KB Output is correct
33 Correct 644 ms 21684 KB Output is correct
34 Correct 575 ms 21648 KB Output is correct
35 Correct 616 ms 21656 KB Output is correct
36 Correct 607 ms 21636 KB Output is correct
37 Correct 567 ms 21648 KB Output is correct
38 Correct 569 ms 21620 KB Output is correct
39 Correct 558 ms 21672 KB Output is correct
40 Correct 600 ms 21696 KB Output is correct
41 Correct 598 ms 21676 KB Output is correct
42 Correct 541 ms 21636 KB Output is correct
43 Correct 548 ms 21640 KB Output is correct
44 Correct 524 ms 21632 KB Output is correct
45 Correct 527 ms 21640 KB Output is correct
46 Correct 566 ms 21604 KB Output is correct
47 Correct 541 ms 21688 KB Output is correct
48 Correct 539 ms 21664 KB Output is correct
49 Correct 528 ms 21672 KB Output is correct
50 Correct 560 ms 21640 KB Output is correct
51 Correct 567 ms 21880 KB Output is correct
52 Correct 564 ms 21760 KB Output is correct
53 Correct 573 ms 21632 KB Output is correct
54 Correct 615 ms 21924 KB Output is correct
55 Correct 536 ms 21640 KB Output is correct
56 Correct 547 ms 21656 KB Output is correct
57 Correct 523 ms 21640 KB Output is correct
58 Correct 540 ms 21672 KB Output is correct
59 Correct 529 ms 21680 KB Output is correct
60 Correct 522 ms 21648 KB Output is correct
61 Correct 650 ms 23940 KB Output is correct
62 Correct 628 ms 23992 KB Output is correct
63 Correct 640 ms 23904 KB Output is correct
64 Correct 648 ms 23976 KB Output is correct
65 Correct 735 ms 24068 KB Output is correct
66 Correct 747 ms 24096 KB Output is correct
67 Correct 716 ms 23940 KB Output is correct
68 Correct 613 ms 23980 KB Output is correct
69 Correct 607 ms 24076 KB Output is correct
70 Correct 623 ms 24188 KB Output is correct