Submission #733059

# Submission time Handle Problem Language Result Execution time Memory
733059 2023-04-30T04:03:49 Z SanguineChameleon Fireworks (APIO16_fireworks) C++17
100 / 100
208 ms 73356 KB
#include <bits/stdc++.h>
using namespace std;

void just_do_it();

int main() {
	#ifdef KAMIRULEZ
		freopen("kamirulez.inp", "r", stdin);
		freopen("kamirulez.out", "w", stdout);
	#endif
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	just_do_it();
	return 0;
}

struct func {
	long long slope = 0;
	long long last = 0;
	priority_queue<long long> q;

	void init(int w) {
		slope = 1;
		last = 0;
		q.push(w);
		q.push(w);
	}

	long long update(int w) {
		long long lt = -1;
		long long rt = -1;
		while (slope > 0) {
			long long cur = q.top();
			q.pop();
			long long prv = q.top();
			if (slope == 1) {
				lt = prv;
				rt = cur;
			}
			slope--;
			last -= slope * (cur - prv);
		}
		q.pop();
		q.push(lt + w);
		q.push(rt + w);
		slope = 1;
		return last;
	}
	
	void merge(func &f2) {
		if (q.empty()) {
			slope = f2.slope;
			last = f2.last;
			swap(q, f2.q);
			return;
		}
		if (q.top() > f2.q.top()) {
			last = last + (f2.last + f2.slope * (q.top() - f2.q.top()));
		}
		else {
			last = f2.last + (last + slope * (f2.q.top() - q.top()));
		}
		slope += f2.slope;
		if (q.size() < f2.q.size()) {
			swap(q, f2.q);
		}
		while (!f2.q.empty()) {
			q.push(f2.q.top());
			f2.q.pop();
		}
	}
};

const int maxN = 3e5 + 20;
vector<pair<int, int>> ch[maxN];
func f[maxN];
int N, M;

void dfs(int u) {
	for (auto p: ch[u]) {
		int v = p.first;
		int w = p.second;
		if (N + 1 <= v && v <= N + M) {
			f[v].init(w);
		}
		else {
			dfs(v);
			f[v].update(w);
		}
		f[u].merge(f[v]);
	}
}

void just_do_it() {
	cin >> N >> M;
	for (int v = 2; v <= N + M; v++) {
		int u, w;
		cin >> u >> w;
		ch[u].emplace_back(v, w);
	}
	dfs(1);
	cout << f[1].update(0);
}
# Verdict Execution time Memory Grader output
1 Correct 11 ms 21332 KB Output is correct
2 Correct 14 ms 21328 KB Output is correct
3 Correct 11 ms 21460 KB Output is correct
4 Correct 10 ms 21464 KB Output is correct
5 Correct 10 ms 21460 KB Output is correct
6 Correct 10 ms 21460 KB Output is correct
7 Correct 11 ms 21460 KB Output is correct
8 Correct 11 ms 21472 KB Output is correct
9 Correct 13 ms 21468 KB Output is correct
10 Correct 12 ms 21460 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 21372 KB Output is correct
2 Correct 10 ms 21460 KB Output is correct
3 Correct 11 ms 21460 KB Output is correct
4 Correct 10 ms 21460 KB Output is correct
5 Correct 11 ms 21456 KB Output is correct
6 Correct 11 ms 21460 KB Output is correct
7 Correct 13 ms 21332 KB Output is correct
8 Correct 13 ms 21432 KB Output is correct
9 Correct 10 ms 21460 KB Output is correct
10 Correct 11 ms 21456 KB Output is correct
11 Correct 10 ms 21460 KB Output is correct
12 Correct 11 ms 21460 KB Output is correct
13 Correct 10 ms 21364 KB Output is correct
14 Correct 11 ms 21460 KB Output is correct
15 Correct 10 ms 21460 KB Output is correct
16 Correct 11 ms 21460 KB Output is correct
17 Correct 11 ms 21460 KB Output is correct
18 Correct 10 ms 21432 KB Output is correct
19 Correct 12 ms 21464 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 21332 KB Output is correct
2 Correct 14 ms 21328 KB Output is correct
3 Correct 11 ms 21460 KB Output is correct
4 Correct 10 ms 21464 KB Output is correct
5 Correct 10 ms 21460 KB Output is correct
6 Correct 10 ms 21460 KB Output is correct
7 Correct 11 ms 21460 KB Output is correct
8 Correct 11 ms 21472 KB Output is correct
9 Correct 13 ms 21468 KB Output is correct
10 Correct 12 ms 21460 KB Output is correct
11 Correct 11 ms 21372 KB Output is correct
12 Correct 10 ms 21460 KB Output is correct
13 Correct 11 ms 21460 KB Output is correct
14 Correct 10 ms 21460 KB Output is correct
15 Correct 11 ms 21456 KB Output is correct
16 Correct 11 ms 21460 KB Output is correct
17 Correct 13 ms 21332 KB Output is correct
18 Correct 13 ms 21432 KB Output is correct
19 Correct 10 ms 21460 KB Output is correct
20 Correct 11 ms 21456 KB Output is correct
21 Correct 10 ms 21460 KB Output is correct
22 Correct 11 ms 21460 KB Output is correct
23 Correct 10 ms 21364 KB Output is correct
24 Correct 11 ms 21460 KB Output is correct
25 Correct 10 ms 21460 KB Output is correct
26 Correct 11 ms 21460 KB Output is correct
27 Correct 11 ms 21460 KB Output is correct
28 Correct 10 ms 21432 KB Output is correct
29 Correct 12 ms 21464 KB Output is correct
30 Correct 11 ms 21460 KB Output is correct
31 Correct 12 ms 21464 KB Output is correct
32 Correct 13 ms 21468 KB Output is correct
33 Correct 13 ms 21508 KB Output is correct
34 Correct 12 ms 21588 KB Output is correct
35 Correct 14 ms 21604 KB Output is correct
36 Correct 15 ms 21588 KB Output is correct
37 Correct 14 ms 21684 KB Output is correct
38 Correct 15 ms 21680 KB Output is correct
39 Correct 15 ms 21772 KB Output is correct
40 Correct 13 ms 22228 KB Output is correct
41 Correct 13 ms 22240 KB Output is correct
42 Correct 13 ms 21588 KB Output is correct
43 Correct 14 ms 21996 KB Output is correct
44 Correct 13 ms 21844 KB Output is correct
45 Correct 13 ms 21856 KB Output is correct
46 Correct 13 ms 21844 KB Output is correct
47 Correct 13 ms 21844 KB Output is correct
48 Correct 13 ms 21716 KB Output is correct
49 Correct 15 ms 21728 KB Output is correct
50 Correct 13 ms 21716 KB Output is correct
51 Correct 13 ms 21728 KB Output is correct
52 Correct 14 ms 21724 KB Output is correct
53 Correct 13 ms 21816 KB Output is correct
54 Correct 13 ms 21728 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 21332 KB Output is correct
2 Correct 14 ms 21328 KB Output is correct
3 Correct 11 ms 21460 KB Output is correct
4 Correct 10 ms 21464 KB Output is correct
5 Correct 10 ms 21460 KB Output is correct
6 Correct 10 ms 21460 KB Output is correct
7 Correct 11 ms 21460 KB Output is correct
8 Correct 11 ms 21472 KB Output is correct
9 Correct 13 ms 21468 KB Output is correct
10 Correct 12 ms 21460 KB Output is correct
11 Correct 11 ms 21372 KB Output is correct
12 Correct 10 ms 21460 KB Output is correct
13 Correct 11 ms 21460 KB Output is correct
14 Correct 10 ms 21460 KB Output is correct
15 Correct 11 ms 21456 KB Output is correct
16 Correct 11 ms 21460 KB Output is correct
17 Correct 13 ms 21332 KB Output is correct
18 Correct 13 ms 21432 KB Output is correct
19 Correct 10 ms 21460 KB Output is correct
20 Correct 11 ms 21456 KB Output is correct
21 Correct 10 ms 21460 KB Output is correct
22 Correct 11 ms 21460 KB Output is correct
23 Correct 10 ms 21364 KB Output is correct
24 Correct 11 ms 21460 KB Output is correct
25 Correct 10 ms 21460 KB Output is correct
26 Correct 11 ms 21460 KB Output is correct
27 Correct 11 ms 21460 KB Output is correct
28 Correct 10 ms 21432 KB Output is correct
29 Correct 12 ms 21464 KB Output is correct
30 Correct 11 ms 21460 KB Output is correct
31 Correct 12 ms 21464 KB Output is correct
32 Correct 13 ms 21468 KB Output is correct
33 Correct 13 ms 21508 KB Output is correct
34 Correct 12 ms 21588 KB Output is correct
35 Correct 14 ms 21604 KB Output is correct
36 Correct 15 ms 21588 KB Output is correct
37 Correct 14 ms 21684 KB Output is correct
38 Correct 15 ms 21680 KB Output is correct
39 Correct 15 ms 21772 KB Output is correct
40 Correct 13 ms 22228 KB Output is correct
41 Correct 13 ms 22240 KB Output is correct
42 Correct 13 ms 21588 KB Output is correct
43 Correct 14 ms 21996 KB Output is correct
44 Correct 13 ms 21844 KB Output is correct
45 Correct 13 ms 21856 KB Output is correct
46 Correct 13 ms 21844 KB Output is correct
47 Correct 13 ms 21844 KB Output is correct
48 Correct 13 ms 21716 KB Output is correct
49 Correct 15 ms 21728 KB Output is correct
50 Correct 13 ms 21716 KB Output is correct
51 Correct 13 ms 21728 KB Output is correct
52 Correct 14 ms 21724 KB Output is correct
53 Correct 13 ms 21816 KB Output is correct
54 Correct 13 ms 21728 KB Output is correct
55 Correct 16 ms 22224 KB Output is correct
56 Correct 34 ms 24616 KB Output is correct
57 Correct 60 ms 26796 KB Output is correct
58 Correct 74 ms 28240 KB Output is correct
59 Correct 96 ms 30536 KB Output is correct
60 Correct 133 ms 32740 KB Output is correct
61 Correct 150 ms 34672 KB Output is correct
62 Correct 164 ms 36032 KB Output is correct
63 Correct 195 ms 38756 KB Output is correct
64 Correct 208 ms 39564 KB Output is correct
65 Correct 108 ms 73356 KB Output is correct
66 Correct 109 ms 73164 KB Output is correct
67 Correct 103 ms 35796 KB Output is correct
68 Correct 156 ms 55708 KB Output is correct
69 Correct 165 ms 53052 KB Output is correct
70 Correct 168 ms 53008 KB Output is correct
71 Correct 178 ms 49848 KB Output is correct
72 Correct 179 ms 50184 KB Output is correct
73 Correct 153 ms 46264 KB Output is correct
74 Correct 153 ms 46428 KB Output is correct
75 Correct 152 ms 44964 KB Output is correct
76 Correct 155 ms 44972 KB Output is correct
77 Correct 165 ms 44644 KB Output is correct
78 Correct 160 ms 42572 KB Output is correct
79 Correct 143 ms 43704 KB Output is correct