답안 #135165

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
135165	2019-07-23T17:38:03 Z	sebinkim	Fireworks (APIO16_fireworks)	C++14	100 / 100	371 ms	59740 KB

fireworks

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

priority_queue <ll> P[303030];
vector <ll> V[303030];
ll S[303030], C[303030];
ll n, m, ans;

void merge(ll p, ll q)
{
	if(P[p].size() < P[q].size()) swap(P[p], P[q]);
	for(; !P[q].empty(); P[q].pop()) P[p].push(P[q].top());
	S[p] += S[q];
}

void dfs(ll p)
{
	ll x, y, s = 0;
	
	S[p] = C[p];
	
	for(ll &t: V[p]){
		dfs(t); s ++;
		merge(p, t);
	}
	
	if(s == 0){
		P[p].push(C[p]); P[p].push(C[p]);
	}
	else{
		for(; s>1; s--) P[p].pop();
		x = P[p].top(); P[p].pop();
		y = P[p].top(); P[p].pop();
		P[p].push(x + C[p]); P[p].push(y + C[p]);
	}
}

int main()
{
	ll i, p, x;
	
	scanf("%lld%lld", &n, &m);
	
	for(i=2; i<=n+m; i++){
		scanf("%lld%lld", &p, C + i);
		V[p].push_back(i);
	}
	
	dfs(1);
	
	x = P[1].top(); P[1].pop();
	P[1].push(0);
	
	for(i=0; !P[1].empty(); i--){
		ans += i * (x - P[1].top());
		x = P[1].top(); P[1].pop();
	}
	
	printf("%lld\n", S[1] + ans);
	
	return 0;
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:45:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~~~~
fireworks.cpp:48:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &p, C + i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	16888 KB	Output is correct
2	Correct	17 ms	16888 KB	Output is correct
3	Correct	17 ms	16888 KB	Output is correct
4	Correct	17 ms	16888 KB	Output is correct
5	Correct	16 ms	16888 KB	Output is correct
6	Correct	17 ms	17016 KB	Output is correct
7	Correct	17 ms	16888 KB	Output is correct
8	Correct	17 ms	16888 KB	Output is correct
9	Correct	17 ms	16888 KB	Output is correct
10	Correct	17 ms	17016 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	16888 KB	Output is correct
2	Correct	17 ms	16888 KB	Output is correct
3	Correct	17 ms	17016 KB	Output is correct
4	Correct	18 ms	17016 KB	Output is correct
5	Correct	17 ms	16972 KB	Output is correct
6	Correct	18 ms	16980 KB	Output is correct
7	Correct	17 ms	16888 KB	Output is correct
8	Correct	17 ms	17020 KB	Output is correct
9	Correct	21 ms	16888 KB	Output is correct
10	Correct	17 ms	16892 KB	Output is correct
11	Correct	17 ms	16888 KB	Output is correct
12	Correct	16 ms	16888 KB	Output is correct
13	Correct	17 ms	16888 KB	Output is correct
14	Correct	17 ms	17016 KB	Output is correct
15	Correct	16 ms	17016 KB	Output is correct
16	Correct	18 ms	16888 KB	Output is correct
17	Correct	17 ms	17016 KB	Output is correct
18	Correct	17 ms	17016 KB	Output is correct
19	Correct	17 ms	17016 KB	Output is correct

Subtask #3
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	16888 KB	Output is correct
2	Correct	17 ms	16888 KB	Output is correct
3	Correct	17 ms	16888 KB	Output is correct
4	Correct	17 ms	16888 KB	Output is correct
5	Correct	16 ms	16888 KB	Output is correct
6	Correct	17 ms	17016 KB	Output is correct
7	Correct	17 ms	16888 KB	Output is correct
8	Correct	17 ms	16888 KB	Output is correct
9	Correct	17 ms	16888 KB	Output is correct
10	Correct	17 ms	17016 KB	Output is correct
11	Correct	17 ms	16888 KB	Output is correct
12	Correct	17 ms	16888 KB	Output is correct
13	Correct	17 ms	17016 KB	Output is correct
14	Correct	18 ms	17016 KB	Output is correct
15	Correct	17 ms	16972 KB	Output is correct
16	Correct	18 ms	16980 KB	Output is correct
17	Correct	17 ms	16888 KB	Output is correct
18	Correct	17 ms	17020 KB	Output is correct
19	Correct	21 ms	16888 KB	Output is correct
20	Correct	17 ms	16892 KB	Output is correct
21	Correct	17 ms	16888 KB	Output is correct
22	Correct	16 ms	16888 KB	Output is correct
23	Correct	17 ms	16888 KB	Output is correct
24	Correct	17 ms	17016 KB	Output is correct
25	Correct	16 ms	17016 KB	Output is correct
26	Correct	18 ms	16888 KB	Output is correct
27	Correct	17 ms	17016 KB	Output is correct
28	Correct	17 ms	17016 KB	Output is correct
29	Correct	17 ms	17016 KB	Output is correct
30	Correct	19 ms	17016 KB	Output is correct
31	Correct	17 ms	17016 KB	Output is correct
32	Correct	18 ms	17016 KB	Output is correct
33	Correct	18 ms	17144 KB	Output is correct
34	Correct	19 ms	17144 KB	Output is correct
35	Correct	20 ms	17144 KB	Output is correct
36	Correct	19 ms	17272 KB	Output is correct
37	Correct	21 ms	17272 KB	Output is correct
38	Correct	21 ms	17272 KB	Output is correct
39	Correct	21 ms	17272 KB	Output is correct
40	Correct	19 ms	17656 KB	Output is correct
41	Correct	20 ms	17656 KB	Output is correct
42	Correct	19 ms	17272 KB	Output is correct
43	Correct	21 ms	17528 KB	Output is correct
44	Correct	21 ms	17400 KB	Output is correct
45	Correct	21 ms	17400 KB	Output is correct
46	Correct	21 ms	17400 KB	Output is correct
47	Correct	21 ms	17400 KB	Output is correct
48	Correct	24 ms	17272 KB	Output is correct
49	Correct	25 ms	17400 KB	Output is correct
50	Correct	20 ms	17276 KB	Output is correct
51	Correct	24 ms	17272 KB	Output is correct
52	Correct	20 ms	17272 KB	Output is correct
53	Correct	20 ms	17404 KB	Output is correct
54	Correct	20 ms	17400 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	16888 KB	Output is correct
2	Correct	17 ms	16888 KB	Output is correct
3	Correct	17 ms	16888 KB	Output is correct
4	Correct	17 ms	16888 KB	Output is correct
5	Correct	16 ms	16888 KB	Output is correct
6	Correct	17 ms	17016 KB	Output is correct
7	Correct	17 ms	16888 KB	Output is correct
8	Correct	17 ms	16888 KB	Output is correct
9	Correct	17 ms	16888 KB	Output is correct
10	Correct	17 ms	17016 KB	Output is correct
11	Correct	17 ms	16888 KB	Output is correct
12	Correct	17 ms	16888 KB	Output is correct
13	Correct	17 ms	17016 KB	Output is correct
14	Correct	18 ms	17016 KB	Output is correct
15	Correct	17 ms	16972 KB	Output is correct
16	Correct	18 ms	16980 KB	Output is correct
17	Correct	17 ms	16888 KB	Output is correct
18	Correct	17 ms	17020 KB	Output is correct
19	Correct	21 ms	16888 KB	Output is correct
20	Correct	17 ms	16892 KB	Output is correct
21	Correct	17 ms	16888 KB	Output is correct
22	Correct	16 ms	16888 KB	Output is correct
23	Correct	17 ms	16888 KB	Output is correct
24	Correct	17 ms	17016 KB	Output is correct
25	Correct	16 ms	17016 KB	Output is correct
26	Correct	18 ms	16888 KB	Output is correct
27	Correct	17 ms	17016 KB	Output is correct
28	Correct	17 ms	17016 KB	Output is correct
29	Correct	17 ms	17016 KB	Output is correct
30	Correct	19 ms	17016 KB	Output is correct
31	Correct	17 ms	17016 KB	Output is correct
32	Correct	18 ms	17016 KB	Output is correct
33	Correct	18 ms	17144 KB	Output is correct
34	Correct	19 ms	17144 KB	Output is correct
35	Correct	20 ms	17144 KB	Output is correct
36	Correct	19 ms	17272 KB	Output is correct
37	Correct	21 ms	17272 KB	Output is correct
38	Correct	21 ms	17272 KB	Output is correct
39	Correct	21 ms	17272 KB	Output is correct
40	Correct	19 ms	17656 KB	Output is correct
41	Correct	20 ms	17656 KB	Output is correct
42	Correct	19 ms	17272 KB	Output is correct
43	Correct	21 ms	17528 KB	Output is correct
44	Correct	21 ms	17400 KB	Output is correct
45	Correct	21 ms	17400 KB	Output is correct
46	Correct	21 ms	17400 KB	Output is correct
47	Correct	21 ms	17400 KB	Output is correct
48	Correct	24 ms	17272 KB	Output is correct
49	Correct	25 ms	17400 KB	Output is correct
50	Correct	20 ms	17276 KB	Output is correct
51	Correct	24 ms	17272 KB	Output is correct
52	Correct	20 ms	17272 KB	Output is correct
53	Correct	20 ms	17404 KB	Output is correct
54	Correct	20 ms	17400 KB	Output is correct
55	Correct	28 ms	18040 KB	Output is correct
56	Correct	60 ms	20676 KB	Output is correct
57	Correct	96 ms	22896 KB	Output is correct
58	Correct	123 ms	24432 KB	Output is correct
59	Correct	168 ms	26604 KB	Output is correct
60	Correct	210 ms	28912 KB	Output is correct
61	Correct	235 ms	30732 KB	Output is correct
62	Correct	265 ms	32112 KB	Output is correct
63	Correct	371 ms	34668 KB	Output is correct
64	Correct	329 ms	35440 KB	Output is correct
65	Correct	159 ms	59740 KB	Output is correct
66	Correct	158 ms	59740 KB	Output is correct
67	Correct	194 ms	31608 KB	Output is correct
68	Correct	235 ms	47020 KB	Output is correct
69	Correct	281 ms	44904 KB	Output is correct
70	Correct	313 ms	45108 KB	Output is correct
71	Correct	290 ms	46560 KB	Output is correct
72	Correct	299 ms	46724 KB	Output is correct
73	Correct	258 ms	42972 KB	Output is correct
74	Correct	260 ms	43176 KB	Output is correct
75	Correct	260 ms	41692 KB	Output is correct
76	Correct	260 ms	41836 KB	Output is correct
77	Correct	262 ms	41064 KB	Output is correct
78	Correct	265 ms	39268 KB	Output is correct
79	Correct	261 ms	40644 KB	Output is correct

답안 #135165

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 19.0 / 19.0

Subtask #3 29.0 / 29.0

Subtask #4 45.0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
19.0 / 19.0

Subtask #3
29.0 / 29.0

Subtask #4
45.0 / 45.0