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답안 #1092959

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1092959 2024-09-25T14:04:33 Z muhammad Feast (NOI19_feast) C++17
100 / 100
 221 ms 14168 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long

// Normal function to replace the lambda
pair<ll, ll> solve_lambda(int n, int a[], ll lmb) {
    pair<ll, ll> dp[n][2];

    dp[0][0] = {0, 0};
    dp[0][1] = {a[0] - lmb, 1};

    for (int i = 1; i < n; i++) {
        dp[i][0] = max(dp[i - 1][0], dp[i - 1][1]);

        dp[i][1] = max(make_pair(dp[i - 1][0].first + a[i] - lmb, dp[i - 1][0].second + 1),
                       make_pair(dp[i - 1][1].first + a[i], dp[i - 1][1].second));
    }

    return max(dp[n - 1][0], dp[n - 1][1]);
}

int main() {
    int n, k;
    cin >> n >> k;

    int a[n];
    for (int &i : a) { cin >> i; }

    ll lo = 0;
    ll hi = 1e18;
    while (lo < hi) {
        ll mid = (lo + hi + 1) / 2;
        solve_lambda(n, a, mid).second >= k ? lo = mid : hi = mid - 1;
    }

    cout << solve_lambda(n, a, lo).first + lo * k << endl;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 118 ms 13192 KB Output is correct
2 Correct 121 ms 13588 KB Output is correct
3 Correct 128 ms 13648 KB Output is correct
4 Correct 138 ms 13652 KB Output is correct
5 Correct 132 ms 13580 KB Output is correct
6 Correct 137 ms 13448 KB Output is correct
7 Correct 120 ms 13400 KB Output is correct
8 Correct 155 ms 13728 KB Output is correct
9 Correct 118 ms 13392 KB Output is correct
10 Correct 119 ms 13396 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 83 ms 11720 KB Output is correct
2 Correct 95 ms 12092 KB Output is correct
3 Correct 89 ms 11788 KB Output is correct
4 Correct 86 ms 11860 KB Output is correct
5 Correct 145 ms 13392 KB Output is correct
6 Correct 87 ms 11604 KB Output is correct
7 Correct 87 ms 11940 KB Output is correct
8 Correct 121 ms 13724 KB Output is correct
9 Correct 148 ms 13312 KB Output is correct
10 Correct 85 ms 11856 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 141 ms 13648 KB Output is correct
2 Correct 175 ms 13588 KB Output is correct
3 Correct 147 ms 13720 KB Output is correct
4 Correct 161 ms 13652 KB Output is correct
5 Correct 146 ms 13588 KB Output is correct
6 Correct 182 ms 13908 KB Output is correct
7 Correct 150 ms 13908 KB Output is correct
8 Correct 145 ms 13648 KB Output is correct
9 Correct 187 ms 13904 KB Output is correct
10 Correct 155 ms 13864 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 432 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 432 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 2 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 2 ms 456 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 452 KB Output is correct
30 Correct 1 ms 348 KB Output is correct

Subtask #7
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 118 ms 13192 KB Output is correct
2 Correct 121 ms 13588 KB Output is correct
3 Correct 128 ms 13648 KB Output is correct
4 Correct 138 ms 13652 KB Output is correct
5 Correct 132 ms 13580 KB Output is correct
6 Correct 137 ms 13448 KB Output is correct
7 Correct 120 ms 13400 KB Output is correct
8 Correct 155 ms 13728 KB Output is correct
9 Correct 118 ms 13392 KB Output is correct
10 Correct 119 ms 13396 KB Output is correct
11 Correct 83 ms 11720 KB Output is correct
12 Correct 95 ms 12092 KB Output is correct
13 Correct 89 ms 11788 KB Output is correct
14 Correct 86 ms 11860 KB Output is correct
15 Correct 145 ms 13392 KB Output is correct
16 Correct 87 ms 11604 KB Output is correct
17 Correct 87 ms 11940 KB Output is correct
18 Correct 121 ms 13724 KB Output is correct
19 Correct 148 ms 13312 KB Output is correct
20 Correct 85 ms 11856 KB Output is correct
21 Correct 141 ms 13648 KB Output is correct
22 Correct 175 ms 13588 KB Output is correct
23 Correct 147 ms 13720 KB Output is correct
24 Correct 161 ms 13652 KB Output is correct
25 Correct 146 ms 13588 KB Output is correct
26 Correct 182 ms 13908 KB Output is correct
27 Correct 150 ms 13908 KB Output is correct
28 Correct 145 ms 13648 KB Output is correct
29 Correct 187 ms 13904 KB Output is correct
30 Correct 155 ms 13864 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 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 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 432 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 0 ms 600 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 2 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 344 KB Output is correct
55 Correct 1 ms 344 KB Output is correct
56 Correct 2 ms 456 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 452 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 221 ms 13436 KB Output is correct
62 Correct 178 ms 13856 KB Output is correct
63 Correct 196 ms 13648 KB Output is correct
64 Correct 185 ms 14168 KB Output is correct
65 Correct 190 ms 13856 KB Output is correct
66 Correct 191 ms 13748 KB Output is correct
67 Correct 183 ms 13648 KB Output is correct
68 Correct 153 ms 13848 KB Output is correct
69 Correct 183 ms 13588 KB Output is correct
70 Correct 145 ms 13564 KB Output is correct