답안 #721251

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
721251	2023-04-10T14:41:30 Z	NeroZein	Feast (NOI19_feast)	C++17	100 / 100	156 ms	10868 KB

feast

#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif

const int N = 300005;

int n, k;
int a[N];
pair<long long,int> dp[N][2];
pair<long long,int> solve (long long cost) {
	dp[0][0] = {0LL, 0};
	dp[0][1] = {-1e15, -N};
	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] - cost, dp[i - 1][0].second + 1), 
									 make_pair(dp[i - 1][1].first + a[i], dp[i - 1][1].second)); 
	}
	return max(dp[n][0], dp[n][1]); 
}

signed main(){
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cin >> n >> k;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i];
	}
	long long l = 0, r = (long long) N * 1e9;
	while (l < r) {
		long long mid = (l + r) >> 1;
		if (solve(mid).second > k) {
			l = mid + 1;
		} else {
			r = mid;
		}
	}
	cout << solve(l).first + l * k << '\n';
	return 0;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	93 ms	10572 KB	Output is correct
2	Correct	92 ms	10744 KB	Output is correct
3	Correct	96 ms	10800 KB	Output is correct
4	Correct	98 ms	10784 KB	Output is correct
5	Correct	98 ms	10728 KB	Output is correct
6	Correct	92 ms	10556 KB	Output is correct
7	Correct	87 ms	10444 KB	Output is correct
8	Correct	86 ms	10760 KB	Output is correct
9	Correct	89 ms	10460 KB	Output is correct
10	Correct	89 ms	10708 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	81 ms	10620 KB	Output is correct
2	Correct	86 ms	10784 KB	Output is correct
3	Correct	76 ms	10580 KB	Output is correct
4	Correct	83 ms	10696 KB	Output is correct
5	Correct	89 ms	10588 KB	Output is correct
6	Correct	79 ms	10580 KB	Output is correct
7	Correct	93 ms	10772 KB	Output is correct
8	Correct	90 ms	10700 KB	Output is correct
9	Correct	89 ms	10528 KB	Output is correct
10	Correct	78 ms	10792 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	118 ms	10676 KB	Output is correct
2	Correct	110 ms	10640 KB	Output is correct
3	Correct	101 ms	10724 KB	Output is correct
4	Correct	105 ms	10628 KB	Output is correct
5	Correct	113 ms	10716 KB	Output is correct
6	Correct	106 ms	10784 KB	Output is correct
7	Correct	102 ms	10700 KB	Output is correct
8	Correct	102 ms	10640 KB	Output is correct
9	Correct	106 ms	10860 KB	Output is correct
10	Correct	102 ms	10744 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct

Subtask #5
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct

Subtask #7
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	93 ms	10572 KB	Output is correct
2	Correct	92 ms	10744 KB	Output is correct
3	Correct	96 ms	10800 KB	Output is correct
4	Correct	98 ms	10784 KB	Output is correct
5	Correct	98 ms	10728 KB	Output is correct
6	Correct	92 ms	10556 KB	Output is correct
7	Correct	87 ms	10444 KB	Output is correct
8	Correct	86 ms	10760 KB	Output is correct
9	Correct	89 ms	10460 KB	Output is correct
10	Correct	89 ms	10708 KB	Output is correct
11	Correct	81 ms	10620 KB	Output is correct
12	Correct	86 ms	10784 KB	Output is correct
13	Correct	76 ms	10580 KB	Output is correct
14	Correct	83 ms	10696 KB	Output is correct
15	Correct	89 ms	10588 KB	Output is correct
16	Correct	79 ms	10580 KB	Output is correct
17	Correct	93 ms	10772 KB	Output is correct
18	Correct	90 ms	10700 KB	Output is correct
19	Correct	89 ms	10528 KB	Output is correct
20	Correct	78 ms	10792 KB	Output is correct
21	Correct	118 ms	10676 KB	Output is correct
22	Correct	110 ms	10640 KB	Output is correct
23	Correct	101 ms	10724 KB	Output is correct
24	Correct	105 ms	10628 KB	Output is correct
25	Correct	113 ms	10716 KB	Output is correct
26	Correct	106 ms	10784 KB	Output is correct
27	Correct	102 ms	10700 KB	Output is correct
28	Correct	102 ms	10640 KB	Output is correct
29	Correct	106 ms	10860 KB	Output is correct
30	Correct	102 ms	10744 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	0 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	1 ms	340 KB	Output is correct
47	Correct	1 ms	340 KB	Output is correct
48	Correct	1 ms	340 KB	Output is correct
49	Correct	1 ms	340 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	336 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	340 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	144 ms	10512 KB	Output is correct
62	Correct	147 ms	10868 KB	Output is correct
63	Correct	123 ms	10580 KB	Output is correct
64	Correct	149 ms	10688 KB	Output is correct
65	Correct	156 ms	10788 KB	Output is correct
66	Correct	145 ms	10748 KB	Output is correct
67	Correct	142 ms	10596 KB	Output is correct
68	Correct	109 ms	10796 KB	Output is correct
69	Correct	104 ms	10596 KB	Output is correct
70	Correct	103 ms	10440 KB	Output is correct

답안 #721251

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