답안 #1017501

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1017501	2024-07-09T08:28:38 Z	vjudge1	Feast (NOI19_feast)	C++17	100 / 100	134 ms	12124 KB

feast

#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;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	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

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	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

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	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

Subtask #4
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct

Subtask #5
11.0 / 11.0

#	결과	실행 시간	메모리	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

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	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

Subtask #7
29.0 / 29.0

#	결과	실행 시간	메모리	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

답안 #1017501

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 8.0 / 8.0

Subtask #3 18.0 / 18.0

Subtask #4 10.0 / 10.0

Subtask #5 11.0 / 11.0

Subtask #6 20.0 / 20.0

Subtask #7 29.0 / 29.0

Subtask #1
4.0 / 4.0

Subtask #2
8.0 / 8.0

Subtask #3
18.0 / 18.0

Subtask #4
10.0 / 10.0

Subtask #5
11.0 / 11.0

Subtask #6
20.0 / 20.0

Subtask #7
29.0 / 29.0