oj.uz

답안 #650688

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
650688 2022-10-14T16:46:58 Z Tob Fireworks (APIO16_fireworks) C++14
100 / 100
 498 ms 113228 KB 
#include <bits/stdc++.h>

#define ll long long
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define pb push_back
#define FIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)

using namespace std;

ll nxt() {ll num; cin >> num; return num;}

typedef pair <ll, ll> pii;

const int N = 300007;

int n, m;
ll nag[N];
vector <pii> adj[N];

multiset <ll> dfs(int x) {
	if (adj[x].empty()) return {};
	multiset <ll> s, tmp;
	for (auto it : adj[x]) {
		pii xx = {0, 0};
		
		tmp = dfs(it.F);
		auto p = tmp.end();
		if (!tmp.empty()) --p;
		
		ll nn = nag[it.F];
		nag[x] += nn;
		
		//MODIFY
		for (int i = tmp.size(); i >= nn; i--) {
			if (i == nn + 1) xx.S = *p;
			if (i == nn) xx.F = *p;
			p = tmp.erase(p);
			if (!tmp.empty()) --p;
		}
		
		tmp.insert(xx.F + it.S);
		tmp.insert(xx.S + it.S);
		
		//COMBINE
		if (s.size() < tmp.size()) swap(s, tmp);
		for (auto itt : tmp) s.insert(itt);
	}
	return s;
}

int main () {
	cin >> n >> m;
	
	ll poc = 0, nagib = -m, res, la = 0;
	
	for (int i = 2; i <= n+m; i++) {
		ll p, c; cin >> p >> c;
		poc += c;
		adj[p].pb({i, c});
		if (i > n) nag[i] = 1;
	}
	
	res = poc;
	
	multiset <ll> s = dfs(1);
	
	for (auto it : s) {
		poc += nagib * (it - la);
		res = min(res, poc);
		nagib++;
		la = it;
	}
	
	cout << res;

	return 0;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 7252 KB Output is correct
2 Correct 5 ms 7252 KB Output is correct
3 Correct 5 ms 7252 KB Output is correct
4 Correct 4 ms 7360 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 5 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 5 ms 7292 KB Output is correct
9 Correct 5 ms 7352 KB Output is correct
10 Correct 6 ms 7364 KB Output is correct

Subtask #2
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7252 KB Output is correct
2 Correct 5 ms 7356 KB Output is correct
3 Correct 5 ms 7356 KB Output is correct
4 Correct 5 ms 7288 KB Output is correct
5 Correct 4 ms 7332 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 5 ms 7252 KB Output is correct
9 Correct 5 ms 7380 KB Output is correct
10 Correct 7 ms 7252 KB Output is correct
11 Correct 4 ms 7252 KB Output is correct
12 Correct 5 ms 7356 KB Output is correct
13 Correct 5 ms 7356 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 6 ms 7352 KB Output is correct
16 Correct 5 ms 7356 KB Output is correct
17 Correct 4 ms 7380 KB Output is correct
18 Correct 4 ms 7252 KB Output is correct
19 Correct 4 ms 7356 KB Output is correct

Subtask #3
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 7252 KB Output is correct
2 Correct 5 ms 7252 KB Output is correct
3 Correct 5 ms 7252 KB Output is correct
4 Correct 4 ms 7360 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 5 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 5 ms 7292 KB Output is correct
9 Correct 5 ms 7352 KB Output is correct
10 Correct 6 ms 7364 KB Output is correct
11 Correct 5 ms 7252 KB Output is correct
12 Correct 5 ms 7356 KB Output is correct
13 Correct 5 ms 7356 KB Output is correct
14 Correct 5 ms 7288 KB Output is correct
15 Correct 4 ms 7332 KB Output is correct
16 Correct 4 ms 7252 KB Output is correct
17 Correct 4 ms 7252 KB Output is correct
18 Correct 5 ms 7252 KB Output is correct
19 Correct 5 ms 7380 KB Output is correct
20 Correct 7 ms 7252 KB Output is correct
21 Correct 4 ms 7252 KB Output is correct
22 Correct 5 ms 7356 KB Output is correct
23 Correct 5 ms 7356 KB Output is correct
24 Correct 4 ms 7380 KB Output is correct
25 Correct 6 ms 7352 KB Output is correct
26 Correct 5 ms 7356 KB Output is correct
27 Correct 4 ms 7380 KB Output is correct
28 Correct 4 ms 7252 KB Output is correct
29 Correct 4 ms 7356 KB Output is correct
30 Correct 5 ms 7380 KB Output is correct
31 Correct 6 ms 7444 KB Output is correct
32 Correct 6 ms 7380 KB Output is correct
33 Correct 7 ms 7440 KB Output is correct
34 Correct 7 ms 7508 KB Output is correct
35 Correct 11 ms 7612 KB Output is correct
36 Correct 12 ms 7636 KB Output is correct
37 Correct 10 ms 7636 KB Output is correct
38 Correct 9 ms 7624 KB Output is correct
39 Correct 9 ms 7636 KB Output is correct
40 Correct 9 ms 9044 KB Output is correct
41 Correct 9 ms 9044 KB Output is correct
42 Correct 8 ms 7636 KB Output is correct
43 Correct 10 ms 8388 KB Output is correct
44 Correct 9 ms 8136 KB Output is correct
45 Correct 10 ms 8148 KB Output is correct
46 Correct 8 ms 7748 KB Output is correct
47 Correct 9 ms 7764 KB Output is correct
48 Correct 9 ms 7748 KB Output is correct
49 Correct 9 ms 7764 KB Output is correct
50 Correct 8 ms 7716 KB Output is correct
51 Correct 9 ms 7764 KB Output is correct
52 Correct 12 ms 7764 KB Output is correct
53 Correct 13 ms 7804 KB Output is correct
54 Correct 9 ms 8008 KB Output is correct

Subtask #4
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 7252 KB Output is correct
2 Correct 5 ms 7252 KB Output is correct
3 Correct 5 ms 7252 KB Output is correct
4 Correct 4 ms 7360 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 5 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 5 ms 7292 KB Output is correct
9 Correct 5 ms 7352 KB Output is correct
10 Correct 6 ms 7364 KB Output is correct
11 Correct 5 ms 7252 KB Output is correct
12 Correct 5 ms 7356 KB Output is correct
13 Correct 5 ms 7356 KB Output is correct
14 Correct 5 ms 7288 KB Output is correct
15 Correct 4 ms 7332 KB Output is correct
16 Correct 4 ms 7252 KB Output is correct
17 Correct 4 ms 7252 KB Output is correct
18 Correct 5 ms 7252 KB Output is correct
19 Correct 5 ms 7380 KB Output is correct
20 Correct 7 ms 7252 KB Output is correct
21 Correct 4 ms 7252 KB Output is correct
22 Correct 5 ms 7356 KB Output is correct
23 Correct 5 ms 7356 KB Output is correct
24 Correct 4 ms 7380 KB Output is correct
25 Correct 6 ms 7352 KB Output is correct
26 Correct 5 ms 7356 KB Output is correct
27 Correct 4 ms 7380 KB Output is correct
28 Correct 4 ms 7252 KB Output is correct
29 Correct 4 ms 7356 KB Output is correct
30 Correct 5 ms 7380 KB Output is correct
31 Correct 6 ms 7444 KB Output is correct
32 Correct 6 ms 7380 KB Output is correct
33 Correct 7 ms 7440 KB Output is correct
34 Correct 7 ms 7508 KB Output is correct
35 Correct 11 ms 7612 KB Output is correct
36 Correct 12 ms 7636 KB Output is correct
37 Correct 10 ms 7636 KB Output is correct
38 Correct 9 ms 7624 KB Output is correct
39 Correct 9 ms 7636 KB Output is correct
40 Correct 9 ms 9044 KB Output is correct
41 Correct 9 ms 9044 KB Output is correct
42 Correct 8 ms 7636 KB Output is correct
43 Correct 10 ms 8388 KB Output is correct
44 Correct 9 ms 8136 KB Output is correct
45 Correct 10 ms 8148 KB Output is correct
46 Correct 8 ms 7748 KB Output is correct
47 Correct 9 ms 7764 KB Output is correct
48 Correct 9 ms 7748 KB Output is correct
49 Correct 9 ms 7764 KB Output is correct
50 Correct 8 ms 7716 KB Output is correct
51 Correct 9 ms 7764 KB Output is correct
52 Correct 12 ms 7764 KB Output is correct
53 Correct 13 ms 7804 KB Output is correct
54 Correct 9 ms 8008 KB Output is correct
55 Correct 17 ms 8264 KB Output is correct
56 Correct 56 ms 10840 KB Output is correct
57 Correct 110 ms 13264 KB Output is correct
58 Correct 150 ms 15084 KB Output is correct
59 Correct 211 ms 17828 KB Output is correct
60 Correct 252 ms 19880 KB Output is correct
61 Correct 297 ms 22144 KB Output is correct
62 Correct 310 ms 24024 KB Output is correct
63 Correct 387 ms 26948 KB Output is correct
64 Correct 408 ms 27316 KB Output is correct
65 Correct 292 ms 113144 KB Output is correct
66 Correct 305 ms 113228 KB Output is correct
67 Correct 252 ms 24132 KB Output is correct
68 Correct 342 ms 73088 KB Output is correct
69 Correct 397 ms 66396 KB Output is correct
70 Correct 383 ms 66448 KB Output is correct
71 Correct 494 ms 35092 KB Output is correct
72 Correct 468 ms 34992 KB Output is correct
73 Correct 466 ms 33820 KB Output is correct
74 Correct 401 ms 33924 KB Output is correct
75 Correct 429 ms 33076 KB Output is correct
76 Correct 449 ms 33076 KB Output is correct
77 Correct 461 ms 32760 KB Output is correct
78 Correct 498 ms 33348 KB Output is correct
79 Correct 463 ms 45944 KB Output is correct