답안 #952444

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
952444 2024-03-23T23:12:22 Z SirCovidThe19th Feast (NOI19_feast) C++17
100 / 100
216 ms 11088 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 10840 KB Output is correct
2 Correct 148 ms 10832 KB Output is correct
3 Correct 154 ms 10960 KB Output is correct
4 Correct 147 ms 10796 KB Output is correct
5 Correct 150 ms 10824 KB Output is correct
6 Correct 165 ms 10504 KB Output is correct
7 Correct 145 ms 10504 KB Output is correct
8 Correct 149 ms 10860 KB Output is correct
9 Correct 145 ms 10580 KB Output is correct
10 Correct 146 ms 10776 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 106 ms 10576 KB Output is correct
2 Correct 114 ms 11088 KB Output is correct
3 Correct 105 ms 10508 KB Output is correct
4 Correct 108 ms 10796 KB Output is correct
5 Correct 148 ms 10656 KB Output is correct
6 Correct 104 ms 10580 KB Output is correct
7 Correct 110 ms 10836 KB Output is correct
8 Correct 145 ms 10836 KB Output is correct
9 Correct 146 ms 10580 KB Output is correct
10 Correct 116 ms 10840 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 209 ms 10836 KB Output is correct
2 Correct 171 ms 10576 KB Output is correct
3 Correct 172 ms 10776 KB Output is correct
4 Correct 175 ms 10528 KB Output is correct
5 Correct 171 ms 10812 KB Output is correct
6 Correct 177 ms 10780 KB Output is correct
7 Correct 174 ms 10836 KB Output is correct
8 Correct 173 ms 10796 KB Output is correct
9 Correct 175 ms 10948 KB Output is correct
10 Correct 174 ms 10916 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 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 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 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 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 600 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 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 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 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 600 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 2 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 348 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 10840 KB Output is correct
2 Correct 148 ms 10832 KB Output is correct
3 Correct 154 ms 10960 KB Output is correct
4 Correct 147 ms 10796 KB Output is correct
5 Correct 150 ms 10824 KB Output is correct
6 Correct 165 ms 10504 KB Output is correct
7 Correct 145 ms 10504 KB Output is correct
8 Correct 149 ms 10860 KB Output is correct
9 Correct 145 ms 10580 KB Output is correct
10 Correct 146 ms 10776 KB Output is correct
11 Correct 106 ms 10576 KB Output is correct
12 Correct 114 ms 11088 KB Output is correct
13 Correct 105 ms 10508 KB Output is correct
14 Correct 108 ms 10796 KB Output is correct
15 Correct 148 ms 10656 KB Output is correct
16 Correct 104 ms 10580 KB Output is correct
17 Correct 110 ms 10836 KB Output is correct
18 Correct 145 ms 10836 KB Output is correct
19 Correct 146 ms 10580 KB Output is correct
20 Correct 116 ms 10840 KB Output is correct
21 Correct 209 ms 10836 KB Output is correct
22 Correct 171 ms 10576 KB Output is correct
23 Correct 172 ms 10776 KB Output is correct
24 Correct 175 ms 10528 KB Output is correct
25 Correct 171 ms 10812 KB Output is correct
26 Correct 177 ms 10780 KB Output is correct
27 Correct 174 ms 10836 KB Output is correct
28 Correct 173 ms 10796 KB Output is correct
29 Correct 175 ms 10948 KB Output is correct
30 Correct 174 ms 10916 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 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 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 600 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 600 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 2 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 2 ms 348 KB Output is correct
58 Correct 2 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 208 ms 10504 KB Output is correct
62 Correct 207 ms 10788 KB Output is correct
63 Correct 182 ms 10676 KB Output is correct
64 Correct 212 ms 10884 KB Output is correct
65 Correct 211 ms 10888 KB Output is correct
66 Correct 216 ms 10844 KB Output is correct
67 Correct 208 ms 10520 KB Output is correct
68 Correct 176 ms 10832 KB Output is correct
69 Correct 172 ms 10576 KB Output is correct
70 Correct 169 ms 10632 KB Output is correct