답안 #739797

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
739797	2023-05-11T10:07:10 Z	NeroZein	Feast (NOI19_feast)	C++17	100 / 100	144 ms	10920 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) >> 1;
		if (solve(mid).second > k) {
			l = mid;
		} else {
			r = mid - 1;
		}
	}
  	if (solve(l + 1).second == k) {
      cout << solve(l + 1).first + (l + 1) * k << '\n';
    } else {
      cout << solve(l).first + (l) * k << '\n';
    }
	return 0;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	85 ms	10544 KB	Output is correct
2	Correct	89 ms	10740 KB	Output is correct
3	Correct	93 ms	10752 KB	Output is correct
4	Correct	87 ms	10700 KB	Output is correct
5	Correct	87 ms	10728 KB	Output is correct
6	Correct	89 ms	10460 KB	Output is correct
7	Correct	89 ms	10444 KB	Output is correct
8	Correct	94 ms	10768 KB	Output is correct
9	Correct	89 ms	10572 KB	Output is correct
10	Correct	90 ms	10612 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	80 ms	10620 KB	Output is correct
2	Correct	84 ms	10848 KB	Output is correct
3	Correct	80 ms	10576 KB	Output is correct
4	Correct	84 ms	10604 KB	Output is correct
5	Correct	87 ms	10564 KB	Output is correct
6	Correct	79 ms	10592 KB	Output is correct
7	Correct	81 ms	10888 KB	Output is correct
8	Correct	91 ms	10756 KB	Output is correct
9	Correct	85 ms	10632 KB	Output is correct
10	Correct	84 ms	10788 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	106 ms	10688 KB	Output is correct
2	Correct	104 ms	10572 KB	Output is correct
3	Correct	102 ms	10656 KB	Output is correct
4	Correct	102 ms	10536 KB	Output is correct
5	Correct	102 ms	10672 KB	Output is correct
6	Correct	107 ms	10828 KB	Output is correct
7	Correct	101 ms	10740 KB	Output is correct
8	Correct	99 ms	10652 KB	Output is correct
9	Correct	103 ms	10776 KB	Output is correct
10	Correct	100 ms	10820 KB	Output is correct

Subtask #4
10.0 / 10.0

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

Subtask #5
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 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	1 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	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 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	340 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	85 ms	10544 KB	Output is correct
2	Correct	89 ms	10740 KB	Output is correct
3	Correct	93 ms	10752 KB	Output is correct
4	Correct	87 ms	10700 KB	Output is correct
5	Correct	87 ms	10728 KB	Output is correct
6	Correct	89 ms	10460 KB	Output is correct
7	Correct	89 ms	10444 KB	Output is correct
8	Correct	94 ms	10768 KB	Output is correct
9	Correct	89 ms	10572 KB	Output is correct
10	Correct	90 ms	10612 KB	Output is correct
11	Correct	80 ms	10620 KB	Output is correct
12	Correct	84 ms	10848 KB	Output is correct
13	Correct	80 ms	10576 KB	Output is correct
14	Correct	84 ms	10604 KB	Output is correct
15	Correct	87 ms	10564 KB	Output is correct
16	Correct	79 ms	10592 KB	Output is correct
17	Correct	81 ms	10888 KB	Output is correct
18	Correct	91 ms	10756 KB	Output is correct
19	Correct	85 ms	10632 KB	Output is correct
20	Correct	84 ms	10788 KB	Output is correct
21	Correct	106 ms	10688 KB	Output is correct
22	Correct	104 ms	10572 KB	Output is correct
23	Correct	102 ms	10656 KB	Output is correct
24	Correct	102 ms	10536 KB	Output is correct
25	Correct	102 ms	10672 KB	Output is correct
26	Correct	107 ms	10828 KB	Output is correct
27	Correct	101 ms	10740 KB	Output is correct
28	Correct	99 ms	10652 KB	Output is correct
29	Correct	103 ms	10776 KB	Output is correct
30	Correct	100 ms	10820 KB	Output is correct
31	Correct	1 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	1 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	0 ms	212 KB	Output is correct
41	Correct	1 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	340 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	143 ms	10604 KB	Output is correct
62	Correct	139 ms	10920 KB	Output is correct
63	Correct	111 ms	10568 KB	Output is correct
64	Correct	143 ms	10788 KB	Output is correct
65	Correct	138 ms	10732 KB	Output is correct
66	Correct	144 ms	10748 KB	Output is correct
67	Correct	140 ms	10572 KB	Output is correct
68	Correct	105 ms	10784 KB	Output is correct
69	Correct	98 ms	10560 KB	Output is correct
70	Correct	98 ms	10444 KB	Output is correct

답안 #739797

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