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Submission #986190

# Submission time Handle Problem Language Result Execution time Memory
986190 2024-05-20T04:34:49 Z 12345678 Feast (NOI19_feast) C++17
100 / 100
 105 ms 6088 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long

const int nx=3e5+5;

ll n, k, qs[nx];

pair<ll, ll> solve(ll c)
{
    pair<ll, ll> mx, dp;
    for (int i=1; i<=n; i++)
    {
        dp=max(dp, {mx.first+qs[i]-c, mx.second+1});
        mx=max(mx, {dp.first-qs[i], dp.second});
    }
    return dp;
}

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>k;
    for (int i=1; i<=n; i++) cin>>qs[i], qs[i]+=qs[i-1];
    ll l=0, r=3e14+5;
    while (l<r)
    {
        ll md=(l+r)/2;
        if (solve(md).second>k) l=md+1;
        else r=md;
    }
    cout<<solve(l).first+solve(l).second*l;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 5724 KB Output is correct
2 Correct 38 ms 5456 KB Output is correct
3 Correct 38 ms 5664 KB Output is correct
4 Correct 38 ms 5592 KB Output is correct
5 Correct 37 ms 5460 KB Output is correct
6 Correct 39 ms 5744 KB Output is correct
7 Correct 37 ms 5356 KB Output is correct
8 Correct 39 ms 5636 KB Output is correct
9 Correct 38 ms 5492 KB Output is correct
10 Correct 37 ms 5720 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 3672 KB Output is correct
2 Correct 37 ms 3932 KB Output is correct
3 Correct 33 ms 3676 KB Output is correct
4 Correct 32 ms 3672 KB Output is correct
5 Correct 39 ms 5460 KB Output is correct
6 Correct 33 ms 3676 KB Output is correct
7 Correct 33 ms 3932 KB Output is correct
8 Correct 38 ms 5488 KB Output is correct
9 Correct 39 ms 5468 KB Output is correct
10 Correct 33 ms 3676 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 5712 KB Output is correct
2 Correct 70 ms 5720 KB Output is correct
3 Correct 65 ms 5756 KB Output is correct
4 Correct 67 ms 6088 KB Output is correct
5 Correct 66 ms 5744 KB Output is correct
6 Correct 69 ms 5800 KB Output is correct
7 Correct 66 ms 5744 KB Output is correct
8 Correct 63 ms 5716 KB Output is correct
9 Correct 73 ms 5848 KB Output is correct
10 Correct 65 ms 5724 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 472 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 604 KB Output is correct

Subtask #7
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 5724 KB Output is correct
2 Correct 38 ms 5456 KB Output is correct
3 Correct 38 ms 5664 KB Output is correct
4 Correct 38 ms 5592 KB Output is correct
5 Correct 37 ms 5460 KB Output is correct
6 Correct 39 ms 5744 KB Output is correct
7 Correct 37 ms 5356 KB Output is correct
8 Correct 39 ms 5636 KB Output is correct
9 Correct 38 ms 5492 KB Output is correct
10 Correct 37 ms 5720 KB Output is correct
11 Correct 39 ms 3672 KB Output is correct
12 Correct 37 ms 3932 KB Output is correct
13 Correct 33 ms 3676 KB Output is correct
14 Correct 32 ms 3672 KB Output is correct
15 Correct 39 ms 5460 KB Output is correct
16 Correct 33 ms 3676 KB Output is correct
17 Correct 33 ms 3932 KB Output is correct
18 Correct 38 ms 5488 KB Output is correct
19 Correct 39 ms 5468 KB Output is correct
20 Correct 33 ms 3676 KB Output is correct
21 Correct 65 ms 5712 KB Output is correct
22 Correct 70 ms 5720 KB Output is correct
23 Correct 65 ms 5756 KB Output is correct
24 Correct 67 ms 6088 KB Output is correct
25 Correct 66 ms 5744 KB Output is correct
26 Correct 69 ms 5800 KB Output is correct
27 Correct 66 ms 5744 KB Output is correct
28 Correct 63 ms 5716 KB Output is correct
29 Correct 73 ms 5848 KB Output is correct
30 Correct 65 ms 5724 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 500 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 472 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 604 KB Output is correct
61 Correct 99 ms 5712 KB Output is correct
62 Correct 102 ms 5836 KB Output is correct
63 Correct 77 ms 5456 KB Output is correct
64 Correct 105 ms 5712 KB Output is correct
65 Correct 102 ms 5800 KB Output is correct
66 Correct 98 ms 5788 KB Output is correct
67 Correct 97 ms 5696 KB Output is correct
68 Correct 66 ms 5716 KB Output is correct
69 Correct 66 ms 5708 KB Output is correct
70 Correct 65 ms 5456 KB Output is correct