Submission #984881

# Submission time Handle Problem Language Result Execution time Memory
984881 2024-05-17T07:46:54 Z IBory Feast (NOI19_feast) C++17
100 / 100
140 ms 15236 KB
#include <bits/stdc++.h>
#define pii pair<ll, ll>
typedef long long ll;
using namespace std;

const int MAX = 1000007;
ll A[MAX];
pii dp[MAX][2];

const pii operator+(const pii a, const pii b) {
	return {a.first + b.first, a.second + b.second};
}

pii Check(ll N, pii p) {
	dp[0][0] = {0, 0};
	dp[0][1] = {-1e18, 0};
	for (int i = 1; i <= N; ++i) {
		dp[i][0] = max(dp[i - 1][0], dp[i - 1][1]);
		dp[i][1] = max(dp[i - 1][1] + pii{A[i], 0}, dp[i - 1][0] + pii{A[i], 1} + p);
	}
	return max(dp[N][0], dp[N][1]);
}

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	ll N, K;
	cin >> N >> K;
	for (int i = 1; i <= N; ++i) cin >> A[i];

	ll l = 0, r = 1e17;
	while (l + 1 < r) {
		ll mid = (l + r) >> 1;
		pii p = Check(N, pii{-mid, 0});
		(p.second <= K ? r : l) = mid;
	}

	pii t = Check(N, pii{-r, 0});
	ll ans = (__int128_t)t.first + (__int128_t)t.second * r;
	cout << ans;
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 72 ms 15184 KB Output is correct
2 Correct 78 ms 14984 KB Output is correct
3 Correct 70 ms 14984 KB Output is correct
4 Correct 75 ms 15184 KB Output is correct
5 Correct 69 ms 14804 KB Output is correct
6 Correct 71 ms 14988 KB Output is correct
7 Correct 69 ms 14980 KB Output is correct
8 Correct 70 ms 14984 KB Output is correct
9 Correct 69 ms 14800 KB Output is correct
10 Correct 69 ms 14980 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 58 ms 14940 KB Output is correct
2 Correct 62 ms 14936 KB Output is correct
3 Correct 62 ms 14940 KB Output is correct
4 Correct 68 ms 14940 KB Output is correct
5 Correct 69 ms 14928 KB Output is correct
6 Correct 60 ms 14940 KB Output is correct
7 Correct 61 ms 14940 KB Output is correct
8 Correct 80 ms 14932 KB Output is correct
9 Correct 69 ms 14940 KB Output is correct
10 Correct 62 ms 14800 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 90 ms 14984 KB Output is correct
2 Correct 87 ms 14984 KB Output is correct
3 Correct 91 ms 14800 KB Output is correct
4 Correct 87 ms 14980 KB Output is correct
5 Correct 89 ms 14940 KB Output is correct
6 Correct 88 ms 14808 KB Output is correct
7 Correct 93 ms 15056 KB Output is correct
8 Correct 87 ms 14796 KB Output is correct
9 Correct 91 ms 14984 KB Output is correct
10 Correct 93 ms 14932 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 1 ms 2440 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 1 ms 2440 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2648 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 72 ms 15184 KB Output is correct
2 Correct 78 ms 14984 KB Output is correct
3 Correct 70 ms 14984 KB Output is correct
4 Correct 75 ms 15184 KB Output is correct
5 Correct 69 ms 14804 KB Output is correct
6 Correct 71 ms 14988 KB Output is correct
7 Correct 69 ms 14980 KB Output is correct
8 Correct 70 ms 14984 KB Output is correct
9 Correct 69 ms 14800 KB Output is correct
10 Correct 69 ms 14980 KB Output is correct
11 Correct 58 ms 14940 KB Output is correct
12 Correct 62 ms 14936 KB Output is correct
13 Correct 62 ms 14940 KB Output is correct
14 Correct 68 ms 14940 KB Output is correct
15 Correct 69 ms 14928 KB Output is correct
16 Correct 60 ms 14940 KB Output is correct
17 Correct 61 ms 14940 KB Output is correct
18 Correct 80 ms 14932 KB Output is correct
19 Correct 69 ms 14940 KB Output is correct
20 Correct 62 ms 14800 KB Output is correct
21 Correct 90 ms 14984 KB Output is correct
22 Correct 87 ms 14984 KB Output is correct
23 Correct 91 ms 14800 KB Output is correct
24 Correct 87 ms 14980 KB Output is correct
25 Correct 89 ms 14940 KB Output is correct
26 Correct 88 ms 14808 KB Output is correct
27 Correct 93 ms 15056 KB Output is correct
28 Correct 87 ms 14796 KB Output is correct
29 Correct 91 ms 14984 KB Output is correct
30 Correct 93 ms 14932 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2392 KB Output is correct
41 Correct 1 ms 2396 KB Output is correct
42 Correct 1 ms 2392 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2392 KB Output is correct
46 Correct 1 ms 2440 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 1 ms 2392 KB Output is correct
52 Correct 1 ms 2392 KB Output is correct
53 Correct 1 ms 2648 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 1 ms 2396 KB Output is correct
56 Correct 1 ms 2396 KB Output is correct
57 Correct 1 ms 2396 KB Output is correct
58 Correct 1 ms 2396 KB Output is correct
59 Correct 1 ms 2396 KB Output is correct
60 Correct 1 ms 2396 KB Output is correct
61 Correct 130 ms 14780 KB Output is correct
62 Correct 123 ms 14988 KB Output is correct
63 Correct 103 ms 14984 KB Output is correct
64 Correct 128 ms 14928 KB Output is correct
65 Correct 138 ms 15236 KB Output is correct
66 Correct 140 ms 14980 KB Output is correct
67 Correct 131 ms 14984 KB Output is correct
68 Correct 91 ms 14936 KB Output is correct
69 Correct 88 ms 14796 KB Output is correct
70 Correct 90 ms 14940 KB Output is correct