답안 #952412

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
952412 2024-03-23T19:17:08 Z SirCovidThe19th Feast (NOI19_feast) C++17
100 / 100
231 ms 13992 KB
#include <bits/stdc++.h>
using namespace std;

#define ll long long

int main() {
	int n, k;
	cin >> n >> k;

	int a[n];
	for (int &i : a) { cin >> i; }

	/**
	 * @return the maximum sum along with the number of subarrays used
	 * if creating a subarray penalizes the sum by "lmb" and
	 * there is no limit to the number of subarrays you can create
	 */
	auto solve_lambda = [&](ll lmb) {
		pair<ll, ll> dp[n][2];

		dp[0][0] = {0, 0};
		dp[0][1] = {a[0] - lmb, 1};

		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] - lmb,
			                  dp[i - 1][0].second + 1),
			        make_pair(dp[i - 1][1].first + a[i], dp[i - 1][1].second));
		}

		return max(dp[n - 1][0], dp[n - 1][1]);
	};

	ll lo = 0;
	ll hi = 1e18;
	while (lo < hi) {
		ll mid = (lo + hi) / 2;
		solve_lambda(mid).second <= k ? hi = mid : lo = mid + 1;
	}

	cout << solve_lambda(lo).first + lo * k << endl;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 148 ms 13300 KB Output is correct
2 Correct 158 ms 13592 KB Output is correct
3 Correct 165 ms 13644 KB Output is correct
4 Correct 166 ms 13720 KB Output is correct
5 Correct 180 ms 13648 KB Output is correct
6 Correct 150 ms 13396 KB Output is correct
7 Correct 145 ms 13396 KB Output is correct
8 Correct 162 ms 13584 KB Output is correct
9 Correct 149 ms 13396 KB Output is correct
10 Correct 156 ms 13392 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 110 ms 11828 KB Output is correct
2 Correct 116 ms 12056 KB Output is correct
3 Correct 107 ms 11604 KB Output is correct
4 Correct 109 ms 11860 KB Output is correct
5 Correct 150 ms 13652 KB Output is correct
6 Correct 132 ms 11600 KB Output is correct
7 Correct 115 ms 12036 KB Output is correct
8 Correct 150 ms 13904 KB Output is correct
9 Correct 147 ms 13168 KB Output is correct
10 Correct 114 ms 11856 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 176 ms 13720 KB Output is correct
2 Correct 181 ms 13720 KB Output is correct
3 Correct 174 ms 13720 KB Output is correct
4 Correct 172 ms 13648 KB Output is correct
5 Correct 183 ms 13704 KB Output is correct
6 Correct 210 ms 13908 KB Output is correct
7 Correct 176 ms 13908 KB Output is correct
8 Correct 178 ms 13832 KB Output is correct
9 Correct 182 ms 13852 KB Output is correct
10 Correct 176 ms 13964 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 436 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 436 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 436 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 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 448 KB Output is correct
24 Correct 2 ms 600 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 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 148 ms 13300 KB Output is correct
2 Correct 158 ms 13592 KB Output is correct
3 Correct 165 ms 13644 KB Output is correct
4 Correct 166 ms 13720 KB Output is correct
5 Correct 180 ms 13648 KB Output is correct
6 Correct 150 ms 13396 KB Output is correct
7 Correct 145 ms 13396 KB Output is correct
8 Correct 162 ms 13584 KB Output is correct
9 Correct 149 ms 13396 KB Output is correct
10 Correct 156 ms 13392 KB Output is correct
11 Correct 110 ms 11828 KB Output is correct
12 Correct 116 ms 12056 KB Output is correct
13 Correct 107 ms 11604 KB Output is correct
14 Correct 109 ms 11860 KB Output is correct
15 Correct 150 ms 13652 KB Output is correct
16 Correct 132 ms 11600 KB Output is correct
17 Correct 115 ms 12036 KB Output is correct
18 Correct 150 ms 13904 KB Output is correct
19 Correct 147 ms 13168 KB Output is correct
20 Correct 114 ms 11856 KB Output is correct
21 Correct 176 ms 13720 KB Output is correct
22 Correct 181 ms 13720 KB Output is correct
23 Correct 174 ms 13720 KB Output is correct
24 Correct 172 ms 13648 KB Output is correct
25 Correct 183 ms 13704 KB Output is correct
26 Correct 210 ms 13908 KB Output is correct
27 Correct 176 ms 13908 KB Output is correct
28 Correct 178 ms 13832 KB Output is correct
29 Correct 182 ms 13852 KB Output is correct
30 Correct 176 ms 13964 KB Output is correct
31 Correct 1 ms 344 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 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 436 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 344 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 1 ms 348 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 448 KB Output is correct
54 Correct 2 ms 600 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 344 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 206 ms 13448 KB Output is correct
62 Correct 212 ms 13992 KB Output is correct
63 Correct 196 ms 13820 KB Output is correct
64 Correct 215 ms 13912 KB Output is correct
65 Correct 231 ms 13904 KB Output is correct
66 Correct 214 ms 13876 KB Output is correct
67 Correct 218 ms 13668 KB Output is correct
68 Correct 179 ms 13924 KB Output is correct
69 Correct 178 ms 13652 KB Output is correct
70 Correct 175 ms 13648 KB Output is correct