답안 #1100192

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1100192	2024-10-13T09:26:27 Z	vjudge1	Feast (NOI19_feast)	C++17	100 / 100	136 ms	15252 KB

feast

#include<bits/stdc++.h>
using namespace std;
#define ll long long int 
const int N = 3e5 + 5, mod = 1e9 + 7;
ll arr[N];
ll dp[2][N], cnt[2][N];
int32_t main() {
    ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n, k; cin >> n >> k;
	for(int i = 1; i <= n; i++) cin >> arr[i];
	ll mn = -1e16;
	ll ans = mn;
	ll lo = mn, hi = -mn;
	while(lo <= hi) {
		ll mi = (lo + hi) / 2;
		dp[1][0] = mn;
		cnt[1][0] = 1;
		for(int i = 1; i <= n; i++) {
			dp[0][i] = max(dp[0][i - 1], dp[1][i - 1]);
			if(dp[0][i - 1] > dp[1][i - 1])
				cnt[0][i] = cnt[0][i - 1];
			else
				cnt[0][i] = cnt[1][i - 1];

			dp[1][i] = max(dp[0][i - 1] - mi, dp[1][i - 1]) + arr[i];
			if(dp[0][i - 1] - mi > dp[1][i - 1]) 
				cnt[1][i] = cnt[0][i - 1] + 1;
			else cnt[1][i] = cnt[1][i - 1];
		}
		int part;
		ll cost;
		if(dp[0][n] >= dp[1][n]) {
			part = cnt[0][n]; 
			cost = dp[0][n] + part * mi;
		}
		else {
			part = cnt[1][n];
			cost = dp[1][n] + part * mi;
		}

		if(part <= k) ans = max(ans, cost), hi = mi - 1;
		else lo = mi + 1; 
	}
	cout << ans << "\n";
	return 0;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	63 ms	14668 KB	Output is correct
2	Correct	55 ms	14924 KB	Output is correct
3	Correct	54 ms	14924 KB	Output is correct
4	Correct	54 ms	14932 KB	Output is correct
5	Correct	53 ms	14924 KB	Output is correct
6	Correct	55 ms	14676 KB	Output is correct
7	Correct	49 ms	14668 KB	Output is correct
8	Correct	60 ms	14924 KB	Output is correct
9	Correct	59 ms	14668 KB	Output is correct
10	Correct	58 ms	14956 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	45 ms	13140 KB	Output is correct
2	Correct	50 ms	13140 KB	Output is correct
3	Correct	45 ms	13140 KB	Output is correct
4	Correct	43 ms	13308 KB	Output is correct
5	Correct	54 ms	14792 KB	Output is correct
6	Correct	46 ms	13140 KB	Output is correct
7	Correct	49 ms	13140 KB	Output is correct
8	Correct	53 ms	14832 KB	Output is correct
9	Correct	54 ms	14668 KB	Output is correct
10	Correct	48 ms	13140 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	87 ms	14932 KB	Output is correct
2	Correct	76 ms	14924 KB	Output is correct
3	Correct	73 ms	14920 KB	Output is correct
4	Correct	78 ms	14924 KB	Output is correct
5	Correct	73 ms	14932 KB	Output is correct
6	Correct	81 ms	14992 KB	Output is correct
7	Correct	73 ms	15188 KB	Output is correct
8	Correct	72 ms	14924 KB	Output is correct
9	Correct	73 ms	15180 KB	Output is correct
10	Correct	74 ms	15180 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	6484 KB	Output is correct
2	Correct	2 ms	6484 KB	Output is correct
3	Correct	2 ms	6484 KB	Output is correct
4	Correct	1 ms	6484 KB	Output is correct
5	Correct	1 ms	6484 KB	Output is correct
6	Correct	1 ms	6740 KB	Output is correct
7	Correct	1 ms	6484 KB	Output is correct
8	Correct	1 ms	6484 KB	Output is correct
9	Correct	1 ms	6484 KB	Output is correct
10	Correct	1 ms	6484 KB	Output is correct

Subtask #5
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	6484 KB	Output is correct
2	Correct	2 ms	6484 KB	Output is correct
3	Correct	2 ms	6484 KB	Output is correct
4	Correct	1 ms	6484 KB	Output is correct
5	Correct	1 ms	6484 KB	Output is correct
6	Correct	1 ms	6740 KB	Output is correct
7	Correct	1 ms	6484 KB	Output is correct
8	Correct	1 ms	6484 KB	Output is correct
9	Correct	1 ms	6484 KB	Output is correct
10	Correct	1 ms	6484 KB	Output is correct
11	Correct	1 ms	6484 KB	Output is correct
12	Correct	1 ms	6484 KB	Output is correct
13	Correct	1 ms	6712 KB	Output is correct
14	Correct	1 ms	6484 KB	Output is correct
15	Correct	2 ms	6484 KB	Output is correct
16	Correct	2 ms	6484 KB	Output is correct
17	Correct	1 ms	6740 KB	Output is correct
18	Correct	2 ms	6484 KB	Output is correct
19	Correct	1 ms	6484 KB	Output is correct
20	Correct	1 ms	6484 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	6484 KB	Output is correct
2	Correct	2 ms	6484 KB	Output is correct
3	Correct	2 ms	6484 KB	Output is correct
4	Correct	1 ms	6484 KB	Output is correct
5	Correct	1 ms	6484 KB	Output is correct
6	Correct	1 ms	6740 KB	Output is correct
7	Correct	1 ms	6484 KB	Output is correct
8	Correct	1 ms	6484 KB	Output is correct
9	Correct	1 ms	6484 KB	Output is correct
10	Correct	1 ms	6484 KB	Output is correct
11	Correct	1 ms	6484 KB	Output is correct
12	Correct	1 ms	6484 KB	Output is correct
13	Correct	1 ms	6712 KB	Output is correct
14	Correct	1 ms	6484 KB	Output is correct
15	Correct	2 ms	6484 KB	Output is correct
16	Correct	2 ms	6484 KB	Output is correct
17	Correct	1 ms	6740 KB	Output is correct
18	Correct	2 ms	6484 KB	Output is correct
19	Correct	1 ms	6484 KB	Output is correct
20	Correct	1 ms	6484 KB	Output is correct
21	Correct	2 ms	6484 KB	Output is correct
22	Correct	2 ms	6484 KB	Output is correct
23	Correct	2 ms	6696 KB	Output is correct
24	Correct	2 ms	6496 KB	Output is correct
25	Correct	2 ms	6632 KB	Output is correct
26	Correct	2 ms	6496 KB	Output is correct
27	Correct	2 ms	6640 KB	Output is correct
28	Correct	2 ms	6496 KB	Output is correct
29	Correct	2 ms	6496 KB	Output is correct
30	Correct	2 ms	6496 KB	Output is correct

Subtask #7
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	63 ms	14668 KB	Output is correct
2	Correct	55 ms	14924 KB	Output is correct
3	Correct	54 ms	14924 KB	Output is correct
4	Correct	54 ms	14932 KB	Output is correct
5	Correct	53 ms	14924 KB	Output is correct
6	Correct	55 ms	14676 KB	Output is correct
7	Correct	49 ms	14668 KB	Output is correct
8	Correct	60 ms	14924 KB	Output is correct
9	Correct	59 ms	14668 KB	Output is correct
10	Correct	58 ms	14956 KB	Output is correct
11	Correct	45 ms	13140 KB	Output is correct
12	Correct	50 ms	13140 KB	Output is correct
13	Correct	45 ms	13140 KB	Output is correct
14	Correct	43 ms	13308 KB	Output is correct
15	Correct	54 ms	14792 KB	Output is correct
16	Correct	46 ms	13140 KB	Output is correct
17	Correct	49 ms	13140 KB	Output is correct
18	Correct	53 ms	14832 KB	Output is correct
19	Correct	54 ms	14668 KB	Output is correct
20	Correct	48 ms	13140 KB	Output is correct
21	Correct	87 ms	14932 KB	Output is correct
22	Correct	76 ms	14924 KB	Output is correct
23	Correct	73 ms	14920 KB	Output is correct
24	Correct	78 ms	14924 KB	Output is correct
25	Correct	73 ms	14932 KB	Output is correct
26	Correct	81 ms	14992 KB	Output is correct
27	Correct	73 ms	15188 KB	Output is correct
28	Correct	72 ms	14924 KB	Output is correct
29	Correct	73 ms	15180 KB	Output is correct
30	Correct	74 ms	15180 KB	Output is correct
31	Correct	1 ms	6484 KB	Output is correct
32	Correct	2 ms	6484 KB	Output is correct
33	Correct	2 ms	6484 KB	Output is correct
34	Correct	1 ms	6484 KB	Output is correct
35	Correct	1 ms	6484 KB	Output is correct
36	Correct	1 ms	6740 KB	Output is correct
37	Correct	1 ms	6484 KB	Output is correct
38	Correct	1 ms	6484 KB	Output is correct
39	Correct	1 ms	6484 KB	Output is correct
40	Correct	1 ms	6484 KB	Output is correct
41	Correct	1 ms	6484 KB	Output is correct
42	Correct	1 ms	6484 KB	Output is correct
43	Correct	1 ms	6712 KB	Output is correct
44	Correct	1 ms	6484 KB	Output is correct
45	Correct	2 ms	6484 KB	Output is correct
46	Correct	2 ms	6484 KB	Output is correct
47	Correct	1 ms	6740 KB	Output is correct
48	Correct	2 ms	6484 KB	Output is correct
49	Correct	1 ms	6484 KB	Output is correct
50	Correct	1 ms	6484 KB	Output is correct
51	Correct	2 ms	6484 KB	Output is correct
52	Correct	2 ms	6484 KB	Output is correct
53	Correct	2 ms	6696 KB	Output is correct
54	Correct	2 ms	6496 KB	Output is correct
55	Correct	2 ms	6632 KB	Output is correct
56	Correct	2 ms	6496 KB	Output is correct
57	Correct	2 ms	6640 KB	Output is correct
58	Correct	2 ms	6496 KB	Output is correct
59	Correct	2 ms	6496 KB	Output is correct
60	Correct	2 ms	6496 KB	Output is correct
61	Correct	121 ms	14936 KB	Output is correct
62	Correct	58 ms	15252 KB	Output is correct
63	Correct	90 ms	15152 KB	Output is correct
64	Correct	118 ms	15196 KB	Output is correct
65	Correct	112 ms	15200 KB	Output is correct
66	Correct	136 ms	14940 KB	Output is correct
67	Correct	116 ms	14924 KB	Output is correct
68	Correct	80 ms	15172 KB	Output is correct
69	Correct	84 ms	14932 KB	Output is correct
70	Correct	74 ms	15100 KB	Output is correct

답안 #1100192

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