Submission #1017501

# Submission time Handle Problem Language Result Execution time Memory
1017501 2024-07-09T08:28:38 Z vjudge1 Feast (NOI19_feast) C++17
100 / 100
134 ms 12124 KB
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define mp make_pair
using namespace std;

const int N = 3e5+1;

int n, k;
ll a[N];

pair<ll, int> dp[N][2];
pair<ll, int> solve(ll lambda) {
	dp[0][1] = {-lambda,1};
	dp[0][0] = {0,0};
	for (int i = 1; i <= n; i++) {
		dp[i][1] = max(
			mp(dp[i-1][1].first+a[i], dp[i-1][1].second),
			mp(dp[i-1][0].first+a[i]-lambda, dp[i-1][0].second+1)
		);
		dp[i][0] = max(dp[i-1][0], dp[i-1][1]);	
	}
	return max(dp[n][0], dp[n][1]);
}

int main()
{
	ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	cin >> n >> k;
	for (int i = 1; i <= n; cin >> a[i++]);
	ll l = 1, r = 1e18;
	while (l < r) {
		const ll mid = (l+r)/2;
		if (solve(mid).second > k)
			l = mid+1;
		else
			r = mid;
	}
	cout << solve(l).first + l*solve(l).second;
}
# Verdict Execution time Memory Grader output
1 Correct 56 ms 11812 KB Output is correct
2 Correct 57 ms 11860 KB Output is correct
3 Correct 57 ms 12120 KB Output is correct
4 Correct 58 ms 11868 KB Output is correct
5 Correct 63 ms 12112 KB Output is correct
6 Correct 55 ms 11604 KB Output is correct
7 Correct 56 ms 11604 KB Output is correct
8 Correct 58 ms 11860 KB Output is correct
9 Correct 56 ms 11772 KB Output is correct
10 Correct 57 ms 11968 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 51 ms 11864 KB Output is correct
2 Correct 51 ms 12124 KB Output is correct
3 Correct 50 ms 11864 KB Output is correct
4 Correct 59 ms 11868 KB Output is correct
5 Correct 55 ms 11600 KB Output is correct
6 Correct 50 ms 11864 KB Output is correct
7 Correct 51 ms 12120 KB Output is correct
8 Correct 58 ms 12104 KB Output is correct
9 Correct 65 ms 11656 KB Output is correct
10 Correct 51 ms 11868 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 79 ms 11864 KB Output is correct
2 Correct 85 ms 11904 KB Output is correct
3 Correct 80 ms 11860 KB Output is correct
4 Correct 79 ms 11868 KB Output is correct
5 Correct 79 ms 11964 KB Output is correct
6 Correct 81 ms 11860 KB Output is correct
7 Correct 82 ms 11972 KB Output is correct
8 Correct 98 ms 11868 KB Output is correct
9 Correct 87 ms 12116 KB Output is correct
10 Correct 81 ms 12112 KB Output is correct
# 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
# 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 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 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 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
# 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 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 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 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 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 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 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 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 56 ms 11812 KB Output is correct
2 Correct 57 ms 11860 KB Output is correct
3 Correct 57 ms 12120 KB Output is correct
4 Correct 58 ms 11868 KB Output is correct
5 Correct 63 ms 12112 KB Output is correct
6 Correct 55 ms 11604 KB Output is correct
7 Correct 56 ms 11604 KB Output is correct
8 Correct 58 ms 11860 KB Output is correct
9 Correct 56 ms 11772 KB Output is correct
10 Correct 57 ms 11968 KB Output is correct
11 Correct 51 ms 11864 KB Output is correct
12 Correct 51 ms 12124 KB Output is correct
13 Correct 50 ms 11864 KB Output is correct
14 Correct 59 ms 11868 KB Output is correct
15 Correct 55 ms 11600 KB Output is correct
16 Correct 50 ms 11864 KB Output is correct
17 Correct 51 ms 12120 KB Output is correct
18 Correct 58 ms 12104 KB Output is correct
19 Correct 65 ms 11656 KB Output is correct
20 Correct 51 ms 11868 KB Output is correct
21 Correct 79 ms 11864 KB Output is correct
22 Correct 85 ms 11904 KB Output is correct
23 Correct 80 ms 11860 KB Output is correct
24 Correct 79 ms 11868 KB Output is correct
25 Correct 79 ms 11964 KB Output is correct
26 Correct 81 ms 11860 KB Output is correct
27 Correct 82 ms 11972 KB Output is correct
28 Correct 98 ms 11868 KB Output is correct
29 Correct 87 ms 12116 KB Output is correct
30 Correct 81 ms 12112 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 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 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 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 344 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 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 2 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 348 KB Output is correct
61 Correct 122 ms 11880 KB Output is correct
62 Correct 114 ms 12116 KB Output is correct
63 Correct 93 ms 11712 KB Output is correct
64 Correct 126 ms 11860 KB Output is correct
65 Correct 134 ms 12072 KB Output is correct
66 Correct 122 ms 11948 KB Output is correct
67 Correct 124 ms 11860 KB Output is correct
68 Correct 107 ms 11856 KB Output is correct
69 Correct 79 ms 11856 KB Output is correct
70 Correct 79 ms 11608 KB Output is correct