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답안 #1017564

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1017564 2024-07-09T08:53:24 Z vjudge1 Feast (NOI19_feast) C++17
100 / 100
 113 ms 12176 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 = 1e13;
	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 44 ms 12120 KB Output is correct
2 Correct 45 ms 12116 KB Output is correct
3 Correct 45 ms 12112 KB Output is correct
4 Correct 46 ms 12124 KB Output is correct
5 Correct 52 ms 12124 KB Output is correct
6 Correct 45 ms 11928 KB Output is correct
7 Correct 44 ms 12124 KB Output is correct
8 Correct 45 ms 12120 KB Output is correct
9 Correct 45 ms 12120 KB Output is correct
10 Correct 45 ms 11944 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 12124 KB Output is correct
2 Correct 39 ms 12124 KB Output is correct
3 Correct 38 ms 12124 KB Output is correct
4 Correct 39 ms 11976 KB Output is correct
5 Correct 44 ms 12124 KB Output is correct
6 Correct 39 ms 11916 KB Output is correct
7 Correct 39 ms 12172 KB Output is correct
8 Correct 45 ms 12116 KB Output is correct
9 Correct 44 ms 12124 KB Output is correct
10 Correct 39 ms 12124 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 64 ms 12120 KB Output is correct
2 Correct 79 ms 12124 KB Output is correct
3 Correct 63 ms 12112 KB Output is correct
4 Correct 62 ms 12124 KB Output is correct
5 Correct 62 ms 12120 KB Output is correct
6 Correct 66 ms 12116 KB Output is correct
7 Correct 62 ms 12124 KB Output is correct
8 Correct 63 ms 12116 KB Output is correct
9 Correct 63 ms 12112 KB Output is correct
10 Correct 64 ms 12124 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 2 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2392 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2516 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct

Subtask #7
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 12120 KB Output is correct
2 Correct 45 ms 12116 KB Output is correct
3 Correct 45 ms 12112 KB Output is correct
4 Correct 46 ms 12124 KB Output is correct
5 Correct 52 ms 12124 KB Output is correct
6 Correct 45 ms 11928 KB Output is correct
7 Correct 44 ms 12124 KB Output is correct
8 Correct 45 ms 12120 KB Output is correct
9 Correct 45 ms 12120 KB Output is correct
10 Correct 45 ms 11944 KB Output is correct
11 Correct 39 ms 12124 KB Output is correct
12 Correct 39 ms 12124 KB Output is correct
13 Correct 38 ms 12124 KB Output is correct
14 Correct 39 ms 11976 KB Output is correct
15 Correct 44 ms 12124 KB Output is correct
16 Correct 39 ms 11916 KB Output is correct
17 Correct 39 ms 12172 KB Output is correct
18 Correct 45 ms 12116 KB Output is correct
19 Correct 44 ms 12124 KB Output is correct
20 Correct 39 ms 12124 KB Output is correct
21 Correct 64 ms 12120 KB Output is correct
22 Correct 79 ms 12124 KB Output is correct
23 Correct 63 ms 12112 KB Output is correct
24 Correct 62 ms 12124 KB Output is correct
25 Correct 62 ms 12120 KB Output is correct
26 Correct 66 ms 12116 KB Output is correct
27 Correct 62 ms 12124 KB Output is correct
28 Correct 63 ms 12116 KB Output is correct
29 Correct 63 ms 12112 KB Output is correct
30 Correct 64 ms 12124 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 0 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 0 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 0 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 0 ms 2396 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 1 ms 2396 KB Output is correct
52 Correct 1 ms 2396 KB Output is correct
53 Correct 2 ms 2396 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 1 ms 2396 KB Output is correct
56 Correct 1 ms 2396 KB Output is correct
57 Correct 1 ms 2392 KB Output is correct
58 Correct 1 ms 2396 KB Output is correct
59 Correct 1 ms 2516 KB Output is correct
60 Correct 1 ms 2396 KB Output is correct
61 Correct 102 ms 12124 KB Output is correct
62 Correct 113 ms 12176 KB Output is correct
63 Correct 80 ms 12124 KB Output is correct
64 Correct 106 ms 12124 KB Output is correct
65 Correct 108 ms 12160 KB Output is correct
66 Correct 105 ms 12152 KB Output is correct
67 Correct 105 ms 12124 KB Output is correct
68 Correct 64 ms 12120 KB Output is correct
69 Correct 63 ms 12112 KB Output is correct
70 Correct 67 ms 12120 KB Output is correct