답안 #588046

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
588046 2022-07-02T16:32:37 Z Temmie Feast (NOI19_feast) C++17
100 / 100
612 ms 39744 KB
#include <bits/stdc++.h>

typedef std::pair <long long, int> pa;

int n, k;
std::vector <int> a;

std::vector <std::vector <pa>> dp;

pa g(long long l) {
	for (int i = 0; i < n; i++) for (int j = 0; j < 2; j++) dp[i][j] = { -1, -1 };
	auto f = [&] (auto&& self, int i, bool is) -> pa {
		if (i >= n) {
			return { 0, 0 };
		}
		if (dp[i][is].second != -1) {
			return dp[i][is];
		}
		dp[i][is] = self(self, i + 1, false);
		pa cand = self(self, i + 1, true);
		cand.second += !is;
		cand.first += a[i];
		cand.first -= l * !is;
		dp[i][is] = std::max(dp[i][is], cand);
		return dp[i][is];
	};
	return f(f, 0, false);
}

int main() {
	std::ios::sync_with_stdio(0); std::cin.tie(0);
	
	std::cin >> n >> k;
	dp.resize(n, std::vector <pa> (2));
	a.resize(n);
	for (int& x : a) {
		std::cin >> x;
	}
	long long l = 0, r = 1LL << 42, ans = 0;
	while (l <= r) {
		long long mid = (l + r) >> 1;
		pa val = g(mid);
		if (val.second > k) {
			l = mid + 1;
		} else {
			r = mid - 1;
			ans = val.first + mid * k;
		}
	}
	std::cout << ans << "\n";
	
}
# 결과 실행 시간 메모리 Grader output
1 Correct 493 ms 35844 KB Output is correct
2 Correct 485 ms 36376 KB Output is correct
3 Correct 490 ms 38476 KB Output is correct
4 Correct 509 ms 36532 KB Output is correct
5 Correct 462 ms 36784 KB Output is correct
6 Correct 470 ms 35728 KB Output is correct
7 Correct 469 ms 36716 KB Output is correct
8 Correct 462 ms 36428 KB Output is correct
9 Correct 493 ms 37492 KB Output is correct
10 Correct 469 ms 37868 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 462 ms 36120 KB Output is correct
2 Correct 482 ms 36884 KB Output is correct
3 Correct 452 ms 36156 KB Output is correct
4 Correct 481 ms 36472 KB Output is correct
5 Correct 482 ms 36892 KB Output is correct
6 Correct 459 ms 36384 KB Output is correct
7 Correct 461 ms 37836 KB Output is correct
8 Correct 483 ms 39244 KB Output is correct
9 Correct 534 ms 38260 KB Output is correct
10 Correct 460 ms 37576 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 506 ms 36544 KB Output is correct
2 Correct 492 ms 36296 KB Output is correct
3 Correct 490 ms 36524 KB Output is correct
4 Correct 479 ms 36172 KB Output is correct
5 Correct 491 ms 36436 KB Output is correct
6 Correct 541 ms 38220 KB Output is correct
7 Correct 507 ms 38476 KB Output is correct
8 Correct 498 ms 36440 KB Output is correct
9 Correct 511 ms 36660 KB Output is correct
10 Correct 509 ms 36724 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 316 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 316 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 352 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 316 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 352 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 4 ms 468 KB Output is correct
22 Correct 4 ms 596 KB Output is correct
23 Correct 3 ms 468 KB Output is correct
24 Correct 4 ms 468 KB Output is correct
25 Correct 3 ms 468 KB Output is correct
26 Correct 3 ms 468 KB Output is correct
27 Correct 3 ms 596 KB Output is correct
28 Correct 3 ms 588 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 3 ms 468 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 493 ms 35844 KB Output is correct
2 Correct 485 ms 36376 KB Output is correct
3 Correct 490 ms 38476 KB Output is correct
4 Correct 509 ms 36532 KB Output is correct
5 Correct 462 ms 36784 KB Output is correct
6 Correct 470 ms 35728 KB Output is correct
7 Correct 469 ms 36716 KB Output is correct
8 Correct 462 ms 36428 KB Output is correct
9 Correct 493 ms 37492 KB Output is correct
10 Correct 469 ms 37868 KB Output is correct
11 Correct 462 ms 36120 KB Output is correct
12 Correct 482 ms 36884 KB Output is correct
13 Correct 452 ms 36156 KB Output is correct
14 Correct 481 ms 36472 KB Output is correct
15 Correct 482 ms 36892 KB Output is correct
16 Correct 459 ms 36384 KB Output is correct
17 Correct 461 ms 37836 KB Output is correct
18 Correct 483 ms 39244 KB Output is correct
19 Correct 534 ms 38260 KB Output is correct
20 Correct 460 ms 37576 KB Output is correct
21 Correct 506 ms 36544 KB Output is correct
22 Correct 492 ms 36296 KB Output is correct
23 Correct 490 ms 36524 KB Output is correct
24 Correct 479 ms 36172 KB Output is correct
25 Correct 491 ms 36436 KB Output is correct
26 Correct 541 ms 38220 KB Output is correct
27 Correct 507 ms 38476 KB Output is correct
28 Correct 498 ms 36440 KB Output is correct
29 Correct 511 ms 36660 KB Output is correct
30 Correct 509 ms 36724 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 320 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 316 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 316 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 316 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 352 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 4 ms 468 KB Output is correct
52 Correct 4 ms 596 KB Output is correct
53 Correct 3 ms 468 KB Output is correct
54 Correct 4 ms 468 KB Output is correct
55 Correct 3 ms 468 KB Output is correct
56 Correct 3 ms 468 KB Output is correct
57 Correct 3 ms 596 KB Output is correct
58 Correct 3 ms 588 KB Output is correct
59 Correct 3 ms 492 KB Output is correct
60 Correct 3 ms 468 KB Output is correct
61 Correct 554 ms 38672 KB Output is correct
62 Correct 562 ms 39744 KB Output is correct
63 Correct 513 ms 38660 KB Output is correct
64 Correct 612 ms 39440 KB Output is correct
65 Correct 592 ms 39308 KB Output is correct
66 Correct 563 ms 39156 KB Output is correct
67 Correct 571 ms 36376 KB Output is correct
68 Correct 513 ms 37908 KB Output is correct
69 Correct 494 ms 38652 KB Output is correct
70 Correct 484 ms 37924 KB Output is correct