답안 #251735

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
251735 2020-07-22T08:59:14 Z atoiz Fireworks (APIO16_fireworks) C++14
100 / 100
216 ms 44136 KB
/*input
4 6
1 5
2 5
2 8
3 3
3 2
3 3
2 9
4 4
4 3
*/

#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>

using namespace std;

struct Curve : priority_queue<long long>
{
	long long end_slope, offset;

	void swap(Curve &rhs)
	{
		priority_queue::swap(rhs);
		std::swap(end_slope, rhs.end_slope);
		std::swap(offset, rhs.offset);
	}

	void init(long long x)
	{
		while (!empty()) pop();
		push(x), push(x);
		end_slope = 1;
		offset = 0;
	}

	void merge(Curve &rhs)
	{
		if (size() < rhs.size()) swap(rhs);
		if (rhs.empty()) return;
		if (top() < rhs.top()) offset = offset + rhs.offset + (long long) end_slope * (rhs.top() - top());
		else offset = offset + rhs.offset + (long long) rhs.end_slope * (top() - rhs.top());
		end_slope += rhs.end_slope;
		for (; !rhs.empty(); rhs.pop()) push(rhs.top());
	}

	void normalize(long long x)
	{
		for (; end_slope > 1; --end_slope) {
			long long t = top();
			pop();
			offset -= (long long) (t - top()) * (end_slope - 1);
		}

		long long first = top();
		pop();
		long long second = top();
		pop();
		push(second + x);
		push(first + x);
	}
};

int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	int N, M;
	cin >> N >> M;
	vector<int> P(N + M + 1), C(N + M + 1);
	for (int i = 2; i <= N + M; ++i) cin >> P[i] >> C[i];
	vector<Curve> curves(N + M + 1);
	for (int i = N + M; i > N; --i) {
		curves[i].init(C[i]);
		curves[P[i]].merge(curves[i]);
	}
	for (int i = N; i > 1; --i) {
		curves[i].normalize(C[i]);
		curves[P[i]].merge(curves[i]);
	}
	curves[1].normalize(0);
	cout << curves[1].offset << endl;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 392 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 392 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 512 KB Output is correct
32 Correct 1 ms 512 KB Output is correct
33 Correct 2 ms 512 KB Output is correct
34 Correct 2 ms 640 KB Output is correct
35 Correct 2 ms 768 KB Output is correct
36 Correct 2 ms 768 KB Output is correct
37 Correct 3 ms 896 KB Output is correct
38 Correct 3 ms 896 KB Output is correct
39 Correct 3 ms 896 KB Output is correct
40 Correct 2 ms 640 KB Output is correct
41 Correct 2 ms 640 KB Output is correct
42 Correct 2 ms 640 KB Output is correct
43 Correct 3 ms 768 KB Output is correct
44 Correct 3 ms 896 KB Output is correct
45 Correct 3 ms 896 KB Output is correct
46 Correct 3 ms 1024 KB Output is correct
47 Correct 3 ms 1024 KB Output is correct
48 Correct 3 ms 896 KB Output is correct
49 Correct 3 ms 1024 KB Output is correct
50 Correct 3 ms 896 KB Output is correct
51 Correct 3 ms 896 KB Output is correct
52 Correct 3 ms 896 KB Output is correct
53 Correct 3 ms 896 KB Output is correct
54 Correct 3 ms 896 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 392 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 512 KB Output is correct
32 Correct 1 ms 512 KB Output is correct
33 Correct 2 ms 512 KB Output is correct
34 Correct 2 ms 640 KB Output is correct
35 Correct 2 ms 768 KB Output is correct
36 Correct 2 ms 768 KB Output is correct
37 Correct 3 ms 896 KB Output is correct
38 Correct 3 ms 896 KB Output is correct
39 Correct 3 ms 896 KB Output is correct
40 Correct 2 ms 640 KB Output is correct
41 Correct 2 ms 640 KB Output is correct
42 Correct 2 ms 640 KB Output is correct
43 Correct 3 ms 768 KB Output is correct
44 Correct 3 ms 896 KB Output is correct
45 Correct 3 ms 896 KB Output is correct
46 Correct 3 ms 1024 KB Output is correct
47 Correct 3 ms 1024 KB Output is correct
48 Correct 3 ms 896 KB Output is correct
49 Correct 3 ms 1024 KB Output is correct
50 Correct 3 ms 896 KB Output is correct
51 Correct 3 ms 896 KB Output is correct
52 Correct 3 ms 896 KB Output is correct
53 Correct 3 ms 896 KB Output is correct
54 Correct 3 ms 896 KB Output is correct
55 Correct 7 ms 1784 KB Output is correct
56 Correct 25 ms 5752 KB Output is correct
57 Correct 46 ms 9340 KB Output is correct
58 Correct 68 ms 12120 KB Output is correct
59 Correct 78 ms 15600 KB Output is correct
60 Correct 105 ms 19468 KB Output is correct
61 Correct 117 ms 22640 KB Output is correct
62 Correct 133 ms 24556 KB Output is correct
63 Correct 154 ms 29156 KB Output is correct
64 Correct 164 ms 30448 KB Output is correct
65 Correct 93 ms 21624 KB Output is correct
66 Correct 86 ms 21624 KB Output is correct
67 Correct 86 ms 21752 KB Output is correct
68 Correct 150 ms 28468 KB Output is correct
69 Correct 161 ms 29164 KB Output is correct
70 Correct 172 ms 29036 KB Output is correct
71 Correct 216 ms 43908 KB Output is correct
72 Correct 204 ms 44136 KB Output is correct
73 Correct 175 ms 40460 KB Output is correct
74 Correct 181 ms 40904 KB Output is correct
75 Correct 181 ms 39276 KB Output is correct
76 Correct 188 ms 39480 KB Output is correct
77 Correct 193 ms 38576 KB Output is correct
78 Correct 195 ms 38120 KB Output is correct
79 Correct 172 ms 36768 KB Output is correct