답안 #952445

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
952445 2024-03-23T23:31:02 Z SirCovidThe19th Feast (NOI19_feast) C++17
100 / 100
220 ms 11084 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 + 1) / 2;
		solve_lambda(mid).second >= k ? lo = mid : hi = mid - 1;
	}

	cout << solve_lambda(lo).first + lo * k << endl;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 144 ms 10576 KB Output is correct
2 Correct 154 ms 10892 KB Output is correct
3 Correct 150 ms 10788 KB Output is correct
4 Correct 148 ms 11084 KB Output is correct
5 Correct 147 ms 10836 KB Output is correct
6 Correct 180 ms 10496 KB Output is correct
7 Correct 149 ms 10576 KB Output is correct
8 Correct 147 ms 10692 KB Output is correct
9 Correct 158 ms 10508 KB Output is correct
10 Correct 145 ms 10784 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 106 ms 10576 KB Output is correct
2 Correct 117 ms 10832 KB Output is correct
3 Correct 105 ms 10696 KB Output is correct
4 Correct 108 ms 10576 KB Output is correct
5 Correct 178 ms 10524 KB Output is correct
6 Correct 108 ms 10528 KB Output is correct
7 Correct 110 ms 10836 KB Output is correct
8 Correct 147 ms 10788 KB Output is correct
9 Correct 142 ms 10500 KB Output is correct
10 Correct 108 ms 10804 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 175 ms 10792 KB Output is correct
2 Correct 177 ms 10716 KB Output is correct
3 Correct 175 ms 10816 KB Output is correct
4 Correct 173 ms 10508 KB Output is correct
5 Correct 170 ms 10580 KB Output is correct
6 Correct 172 ms 10836 KB Output is correct
7 Correct 174 ms 10788 KB Output is correct
8 Correct 172 ms 10776 KB Output is correct
9 Correct 175 ms 10952 KB Output is correct
10 Correct 176 ms 11060 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 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 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 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 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 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 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 2 ms 344 KB Output is correct
26 Correct 2 ms 588 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 144 ms 10576 KB Output is correct
2 Correct 154 ms 10892 KB Output is correct
3 Correct 150 ms 10788 KB Output is correct
4 Correct 148 ms 11084 KB Output is correct
5 Correct 147 ms 10836 KB Output is correct
6 Correct 180 ms 10496 KB Output is correct
7 Correct 149 ms 10576 KB Output is correct
8 Correct 147 ms 10692 KB Output is correct
9 Correct 158 ms 10508 KB Output is correct
10 Correct 145 ms 10784 KB Output is correct
11 Correct 106 ms 10576 KB Output is correct
12 Correct 117 ms 10832 KB Output is correct
13 Correct 105 ms 10696 KB Output is correct
14 Correct 108 ms 10576 KB Output is correct
15 Correct 178 ms 10524 KB Output is correct
16 Correct 108 ms 10528 KB Output is correct
17 Correct 110 ms 10836 KB Output is correct
18 Correct 147 ms 10788 KB Output is correct
19 Correct 142 ms 10500 KB Output is correct
20 Correct 108 ms 10804 KB Output is correct
21 Correct 175 ms 10792 KB Output is correct
22 Correct 177 ms 10716 KB Output is correct
23 Correct 175 ms 10816 KB Output is correct
24 Correct 173 ms 10508 KB Output is correct
25 Correct 170 ms 10580 KB Output is correct
26 Correct 172 ms 10836 KB Output is correct
27 Correct 174 ms 10788 KB Output is correct
28 Correct 172 ms 10776 KB Output is correct
29 Correct 175 ms 10952 KB Output is correct
30 Correct 176 ms 11060 KB Output is correct
31 Correct 0 ms 348 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 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 1 ms 344 KB Output is correct
55 Correct 2 ms 344 KB Output is correct
56 Correct 2 ms 588 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 344 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 211 ms 10504 KB Output is correct
62 Correct 209 ms 10792 KB Output is correct
63 Correct 184 ms 10580 KB Output is correct
64 Correct 220 ms 10840 KB Output is correct
65 Correct 208 ms 10832 KB Output is correct
66 Correct 208 ms 10844 KB Output is correct
67 Correct 206 ms 10692 KB Output is correct
68 Correct 176 ms 10832 KB Output is correct
69 Correct 169 ms 10680 KB Output is correct
70 Correct 168 ms 10504 KB Output is correct