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Submission #1026001

# Submission time Handle Problem Language Result Execution time Memory
1026001 2024-07-17T12:26:44 Z Zicrus Feast (NOI19_feast) C++17
100 / 100
 207 ms 5720 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

ll n, k;
vector<ll> a;

pair<ll, ll> solve(ll p) {
    ll dp = 0;
    ll dpSeg = a[0] - p;
    ll ps = 0;
    ll psSeg = 1;
    for (int i = 1; i < n; i++) {
        ll tdp = dp, tdpSeg = dpSeg, tps = ps, tpsSeg = psSeg;
        if (tdpSeg > tdp) {
            dp = tdpSeg;
            ps = tpsSeg;
        }
        if (tdp - p > tdpSeg) {
            dpSeg = tdp - p;
            psSeg = tps + 1;
        }
        dpSeg += a[i];
    }
    if (dpSeg > dp) {
        dp = dpSeg;
        ps = psSeg;
    }
    return {dp, ps};
}

int main() {
    cin >> n >> k;
    a = vector<ll>(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }

    ll l = 0, r = 1ll << 50;
    ll bestK = 1ll << 50;
    ll bestAns = 0;
    ll pen = 0;
    while (l <= r) {
        ll mid = pen = (l + r) / 2;
        bestK = solve(mid).second;
        bestAns = solve(mid).first;

        if (bestK > k) {
            l = mid + 1;
        }
        else {
            if (l == r) break;
            r = mid;
        }
    }
    ll val = bestAns + k * pen;
    cout << val;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 5368 KB Output is correct
2 Correct 109 ms 5460 KB Output is correct
3 Correct 101 ms 5460 KB Output is correct
4 Correct 99 ms 5716 KB Output is correct
5 Correct 100 ms 5456 KB Output is correct
6 Correct 102 ms 5460 KB Output is correct
7 Correct 99 ms 5256 KB Output is correct
8 Correct 102 ms 5432 KB Output is correct
9 Correct 97 ms 5392 KB Output is correct
10 Correct 106 ms 5464 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 3732 KB Output is correct
2 Correct 67 ms 3676 KB Output is correct
3 Correct 65 ms 3668 KB Output is correct
4 Correct 68 ms 3852 KB Output is correct
5 Correct 98 ms 5460 KB Output is correct
6 Correct 69 ms 3676 KB Output is correct
7 Correct 92 ms 3664 KB Output is correct
8 Correct 107 ms 5712 KB Output is correct
9 Correct 96 ms 5460 KB Output is correct
10 Correct 66 ms 3672 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 5716 KB Output is correct
2 Correct 149 ms 5516 KB Output is correct
3 Correct 138 ms 5664 KB Output is correct
4 Correct 139 ms 5656 KB Output is correct
5 Correct 150 ms 5688 KB Output is correct
6 Correct 143 ms 5676 KB Output is correct
7 Correct 136 ms 5720 KB Output is correct
8 Correct 155 ms 5716 KB Output is correct
9 Correct 143 ms 5716 KB Output is correct
10 Correct 141 ms 5716 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 1 ms 348 KB Output is correct
6 Correct 1 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 344 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 1 ms 348 KB Output is correct
6 Correct 1 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 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 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 436 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 436 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 1 ms 348 KB Output is correct
6 Correct 1 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 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 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 436 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 436 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 448 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 476 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct

Subtask #7
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 5368 KB Output is correct
2 Correct 109 ms 5460 KB Output is correct
3 Correct 101 ms 5460 KB Output is correct
4 Correct 99 ms 5716 KB Output is correct
5 Correct 100 ms 5456 KB Output is correct
6 Correct 102 ms 5460 KB Output is correct
7 Correct 99 ms 5256 KB Output is correct
8 Correct 102 ms 5432 KB Output is correct
9 Correct 97 ms 5392 KB Output is correct
10 Correct 106 ms 5464 KB Output is correct
11 Correct 69 ms 3732 KB Output is correct
12 Correct 67 ms 3676 KB Output is correct
13 Correct 65 ms 3668 KB Output is correct
14 Correct 68 ms 3852 KB Output is correct
15 Correct 98 ms 5460 KB Output is correct
16 Correct 69 ms 3676 KB Output is correct
17 Correct 92 ms 3664 KB Output is correct
18 Correct 107 ms 5712 KB Output is correct
19 Correct 96 ms 5460 KB Output is correct
20 Correct 66 ms 3672 KB Output is correct
21 Correct 141 ms 5716 KB Output is correct
22 Correct 149 ms 5516 KB Output is correct
23 Correct 138 ms 5664 KB Output is correct
24 Correct 139 ms 5656 KB Output is correct
25 Correct 150 ms 5688 KB Output is correct
26 Correct 143 ms 5676 KB Output is correct
27 Correct 136 ms 5720 KB Output is correct
28 Correct 155 ms 5716 KB Output is correct
29 Correct 143 ms 5716 KB Output is correct
30 Correct 141 ms 5716 KB Output is correct
31 Correct 0 ms 344 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 1 ms 348 KB Output is correct
36 Correct 1 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 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 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 436 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 436 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 448 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 604 KB Output is correct
56 Correct 1 ms 468 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 476 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 207 ms 5460 KB Output is correct
62 Correct 183 ms 5716 KB Output is correct
63 Correct 172 ms 5648 KB Output is correct
64 Correct 191 ms 5716 KB Output is correct
65 Correct 190 ms 5564 KB Output is correct
66 Correct 189 ms 5716 KB Output is correct
67 Correct 192 ms 5460 KB Output is correct
68 Correct 138 ms 5680 KB Output is correct
69 Correct 142 ms 5460 KB Output is correct
70 Correct 132 ms 5556 KB Output is correct