답안 #1105892

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1105892	2024-10-28T08:45:26 Z	WeIlIaN	Fireworks (APIO16_fireworks)	C++14	100 / 100	143 ms	50996 KB

fireworks

/*
 * Author: Gyeonggeun Kim(kriii)
 * Time Complexity: O(N lg^2 N)
 */
#include <stdio.h>
#include <algorithm>
#include <queue>
using namespace std;

const int maxn = 300003;

priority_queue<long long> *Q[maxn];
int N,M,V,P[maxn],C[maxn],D[maxn]; long long E[maxn];

int main()
{
	scanf ("%d %d",&N,&M);
	V = N + M;
	
	for (int i=2;i<=V;i++) scanf ("%d %d",&P[i],&C[i]);
	for (int i=1;i<=V;i++) Q[i] = new priority_queue<long long>;

	for (int i=V;i>=2;i--){
		long long p = 0, q = 0;
		if (D[i]){
			for (int j=1;j<D[i];j++){
				E[i] += Q[i]->top(); Q[i]->pop();
			}
			p = Q[i]->top(); Q[i]->pop();
			q = Q[i]->top(); Q[i]->pop();
		}
		Q[i]->push(p+C[i]);
		Q[i]->push(q+C[i]);
		E[i] -= C[i];

		priority_queue<long long> *&a = Q[i], *&b = Q[P[i]];
		if (a->size() > b->size()) swap(a,b);
		while (!a->empty()){
			b->push(a->top()); a->pop();
		}
		E[P[i]] += E[i];
		D[P[i]]++;
	}

	long long ans = E[1];
	for (int i=0;i<D[1];i++){
		ans += Q[1]->top(); Q[1]->pop();
	}
	printf ("%lld\n",ans);

	return 0;
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |  scanf ("%d %d",&N,&M);
      |  ~~~~~~^~~~~~~~~~~~~~~
fireworks.cpp:20:31: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |  for (int i=2;i<=V;i++) scanf ("%d %d",&P[i],&C[i]);
      |                         ~~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	2 ms	4536 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	1 ms	4432 KB	Output is correct
7	Correct	1 ms	4604 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	1 ms	4432 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4532 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	1 ms	4432 KB	Output is correct
7	Correct	1 ms	4688 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4432 KB	Output is correct
11	Correct	1 ms	4432 KB	Output is correct
12	Correct	1 ms	4432 KB	Output is correct
13	Correct	2 ms	4432 KB	Output is correct
14	Correct	1 ms	4432 KB	Output is correct
15	Correct	1 ms	4460 KB	Output is correct
16	Correct	1 ms	4600 KB	Output is correct
17	Correct	1 ms	4432 KB	Output is correct
18	Correct	1 ms	4432 KB	Output is correct
19	Correct	1 ms	4604 KB	Output is correct

Subtask #3
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	2 ms	4536 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	1 ms	4432 KB	Output is correct
7	Correct	1 ms	4604 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	1 ms	4432 KB	Output is correct
11	Correct	1 ms	4432 KB	Output is correct
12	Correct	1 ms	4532 KB	Output is correct
13	Correct	1 ms	4432 KB	Output is correct
14	Correct	1 ms	4432 KB	Output is correct
15	Correct	1 ms	4432 KB	Output is correct
16	Correct	1 ms	4432 KB	Output is correct
17	Correct	1 ms	4688 KB	Output is correct
18	Correct	1 ms	4432 KB	Output is correct
19	Correct	1 ms	4444 KB	Output is correct
20	Correct	1 ms	4432 KB	Output is correct
21	Correct	1 ms	4432 KB	Output is correct
22	Correct	1 ms	4432 KB	Output is correct
23	Correct	2 ms	4432 KB	Output is correct
24	Correct	1 ms	4432 KB	Output is correct
25	Correct	1 ms	4460 KB	Output is correct
26	Correct	1 ms	4600 KB	Output is correct
27	Correct	1 ms	4432 KB	Output is correct
28	Correct	1 ms	4432 KB	Output is correct
29	Correct	1 ms	4604 KB	Output is correct
30	Correct	1 ms	4600 KB	Output is correct
31	Correct	1 ms	4432 KB	Output is correct
32	Correct	1 ms	4688 KB	Output is correct
33	Correct	2 ms	4688 KB	Output is correct
34	Correct	2 ms	4688 KB	Output is correct
35	Correct	2 ms	4688 KB	Output is correct
36	Correct	2 ms	4944 KB	Output is correct
37	Correct	3 ms	5116 KB	Output is correct
38	Correct	3 ms	4944 KB	Output is correct
39	Correct	3 ms	4944 KB	Output is correct
40	Correct	2 ms	4688 KB	Output is correct
41	Correct	2 ms	4688 KB	Output is correct
42	Correct	2 ms	4688 KB	Output is correct
43	Correct	3 ms	4944 KB	Output is correct
44	Correct	3 ms	4952 KB	Output is correct
45	Correct	3 ms	4864 KB	Output is correct
46	Correct	3 ms	5372 KB	Output is correct
47	Correct	4 ms	5256 KB	Output is correct
48	Correct	3 ms	4944 KB	Output is correct
49	Correct	4 ms	5104 KB	Output is correct
50	Correct	2 ms	4944 KB	Output is correct
51	Correct	3 ms	4844 KB	Output is correct
52	Correct	3 ms	4944 KB	Output is correct
53	Correct	3 ms	4944 KB	Output is correct
54	Correct	3 ms	4944 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	2 ms	4536 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	1 ms	4432 KB	Output is correct
7	Correct	1 ms	4604 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	1 ms	4432 KB	Output is correct
11	Correct	1 ms	4432 KB	Output is correct
12	Correct	1 ms	4532 KB	Output is correct
13	Correct	1 ms	4432 KB	Output is correct
14	Correct	1 ms	4432 KB	Output is correct
15	Correct	1 ms	4432 KB	Output is correct
16	Correct	1 ms	4432 KB	Output is correct
17	Correct	1 ms	4688 KB	Output is correct
18	Correct	1 ms	4432 KB	Output is correct
19	Correct	1 ms	4444 KB	Output is correct
20	Correct	1 ms	4432 KB	Output is correct
21	Correct	1 ms	4432 KB	Output is correct
22	Correct	1 ms	4432 KB	Output is correct
23	Correct	2 ms	4432 KB	Output is correct
24	Correct	1 ms	4432 KB	Output is correct
25	Correct	1 ms	4460 KB	Output is correct
26	Correct	1 ms	4600 KB	Output is correct
27	Correct	1 ms	4432 KB	Output is correct
28	Correct	1 ms	4432 KB	Output is correct
29	Correct	1 ms	4604 KB	Output is correct
30	Correct	1 ms	4600 KB	Output is correct
31	Correct	1 ms	4432 KB	Output is correct
32	Correct	1 ms	4688 KB	Output is correct
33	Correct	2 ms	4688 KB	Output is correct
34	Correct	2 ms	4688 KB	Output is correct
35	Correct	2 ms	4688 KB	Output is correct
36	Correct	2 ms	4944 KB	Output is correct
37	Correct	3 ms	5116 KB	Output is correct
38	Correct	3 ms	4944 KB	Output is correct
39	Correct	3 ms	4944 KB	Output is correct
40	Correct	2 ms	4688 KB	Output is correct
41	Correct	2 ms	4688 KB	Output is correct
42	Correct	2 ms	4688 KB	Output is correct
43	Correct	3 ms	4944 KB	Output is correct
44	Correct	3 ms	4952 KB	Output is correct
45	Correct	3 ms	4864 KB	Output is correct
46	Correct	3 ms	5372 KB	Output is correct
47	Correct	4 ms	5256 KB	Output is correct
48	Correct	3 ms	4944 KB	Output is correct
49	Correct	4 ms	5104 KB	Output is correct
50	Correct	2 ms	4944 KB	Output is correct
51	Correct	3 ms	4844 KB	Output is correct
52	Correct	3 ms	4944 KB	Output is correct
53	Correct	3 ms	4944 KB	Output is correct
54	Correct	3 ms	4944 KB	Output is correct
55	Correct	5 ms	5712 KB	Output is correct
56	Correct	27 ms	9808 KB	Output is correct
57	Correct	31 ms	13664 KB	Output is correct
58	Correct	40 ms	16336 KB	Output is correct
59	Correct	52 ms	20276 KB	Output is correct
60	Correct	64 ms	24004 KB	Output is correct
61	Correct	79 ms	27072 KB	Output is correct
62	Correct	90 ms	29628 KB	Output is correct
63	Correct	127 ms	34568 KB	Output is correct
64	Correct	131 ms	36156 KB	Output is correct
65	Correct	63 ms	27464 KB	Output is correct
66	Correct	68 ms	27556 KB	Output is correct
67	Correct	59 ms	27464 KB	Output is correct
68	Correct	99 ms	35004 KB	Output is correct
69	Correct	108 ms	35776 KB	Output is correct
70	Correct	120 ms	35780 KB	Output is correct
71	Correct	136 ms	50864 KB	Output is correct
72	Correct	133 ms	50996 KB	Output is correct
73	Correct	120 ms	47640 KB	Output is correct
74	Correct	138 ms	48144 KB	Output is correct
75	Correct	122 ms	46400 KB	Output is correct
76	Correct	133 ms	46476 KB	Output is correct
77	Correct	143 ms	45620 KB	Output is correct
78	Correct	135 ms	45240 KB	Output is correct
79	Correct	121 ms	43444 KB	Output is correct

답안 #1105892

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