oj.uz

Submission #21921

# Submission time Handle Problem Language Result Execution time Memory
21921 2017-04-27T13:59:05 Z kriii Fireworks (APIO16_fireworks) C++14
100 / 100
 229 ms 49280 KB 
/*
 * 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:17:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d %d",&N,&M);
                       ^
fireworks.cpp:20:52: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i=2;i<=V;i++) scanf ("%d %d",&P[i],&C[i]);
                                                    ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9376 KB Output is correct
2 Correct 0 ms 9376 KB Output is correct
3 Correct 0 ms 9376 KB Output is correct
4 Correct 0 ms 9376 KB Output is correct
5 Correct 0 ms 9376 KB Output is correct
6 Correct 0 ms 9376 KB Output is correct
7 Correct 0 ms 9376 KB Output is correct
8 Correct 0 ms 9376 KB Output is correct
9 Correct 0 ms 9376 KB Output is correct
10 Correct 0 ms 9376 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9376 KB Output is correct
2 Correct 0 ms 9376 KB Output is correct
3 Correct 0 ms 9376 KB Output is correct
4 Correct 0 ms 9376 KB Output is correct
5 Correct 0 ms 9376 KB Output is correct
6 Correct 0 ms 9376 KB Output is correct
7 Correct 0 ms 9376 KB Output is correct
8 Correct 0 ms 9376 KB Output is correct
9 Correct 0 ms 9376 KB Output is correct
10 Correct 0 ms 9376 KB Output is correct
11 Correct 0 ms 9376 KB Output is correct
12 Correct 0 ms 9376 KB Output is correct
13 Correct 0 ms 9376 KB Output is correct
14 Correct 0 ms 9376 KB Output is correct
15 Correct 0 ms 9376 KB Output is correct
16 Correct 0 ms 9376 KB Output is correct
17 Correct 0 ms 9376 KB Output is correct
18 Correct 0 ms 9376 KB Output is correct
19 Correct 0 ms 9376 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9376 KB Output is correct
2 Correct 0 ms 9376 KB Output is correct
3 Correct 0 ms 9376 KB Output is correct
4 Correct 0 ms 9376 KB Output is correct
5 Correct 0 ms 9376 KB Output is correct
6 Correct 0 ms 9376 KB Output is correct
7 Correct 0 ms 9376 KB Output is correct
8 Correct 0 ms 9376 KB Output is correct
9 Correct 0 ms 9376 KB Output is correct
10 Correct 0 ms 9376 KB Output is correct
11 Correct 0 ms 9376 KB Output is correct
12 Correct 0 ms 9376 KB Output is correct
13 Correct 0 ms 9376 KB Output is correct
14 Correct 0 ms 9376 KB Output is correct
15 Correct 0 ms 9376 KB Output is correct
16 Correct 0 ms 9376 KB Output is correct
17 Correct 0 ms 9376 KB Output is correct
18 Correct 0 ms 9376 KB Output is correct
19 Correct 0 ms 9376 KB Output is correct
20 Correct 0 ms 9376 KB Output is correct
21 Correct 0 ms 9376 KB Output is correct
22 Correct 0 ms 9376 KB Output is correct
23 Correct 0 ms 9376 KB Output is correct
24 Correct 0 ms 9376 KB Output is correct
25 Correct 0 ms 9376 KB Output is correct
26 Correct 0 ms 9376 KB Output is correct
27 Correct 0 ms 9376 KB Output is correct
28 Correct 0 ms 9376 KB Output is correct
29 Correct 0 ms 9376 KB Output is correct
30 Correct 0 ms 9376 KB Output is correct
31 Correct 0 ms 9508 KB Output is correct
32 Correct 0 ms 9508 KB Output is correct
33 Correct 0 ms 9640 KB Output is correct
34 Correct 0 ms 9640 KB Output is correct
35 Correct 0 ms 9640 KB Output is correct
36 Correct 3 ms 9784 KB Output is correct
37 Correct 3 ms 9772 KB Output is correct
38 Correct 3 ms 9772 KB Output is correct
39 Correct 3 ms 9772 KB Output is correct
40 Correct 0 ms 9640 KB Output is correct
41 Correct 0 ms 9640 KB Output is correct
42 Correct 0 ms 9640 KB Output is correct
43 Correct 3 ms 9772 KB Output is correct
44 Correct 3 ms 9772 KB Output is correct
45 Correct 3 ms 9772 KB Output is correct
46 Correct 3 ms 10076 KB Output is correct
47 Correct 3 ms 10096 KB Output is correct
48 Correct 3 ms 9916 KB Output is correct
49 Correct 3 ms 10040 KB Output is correct
50 Correct 3 ms 9812 KB Output is correct
51 Correct 3 ms 9808 KB Output is correct
52 Correct 3 ms 9960 KB Output is correct
53 Correct 0 ms 9916 KB Output is correct
54 Correct 3 ms 9904 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9376 KB Output is correct
2 Correct 0 ms 9376 KB Output is correct
3 Correct 0 ms 9376 KB Output is correct
4 Correct 0 ms 9376 KB Output is correct
5 Correct 0 ms 9376 KB Output is correct
6 Correct 0 ms 9376 KB Output is correct
7 Correct 0 ms 9376 KB Output is correct
8 Correct 0 ms 9376 KB Output is correct
9 Correct 0 ms 9376 KB Output is correct
10 Correct 0 ms 9376 KB Output is correct
11 Correct 0 ms 9376 KB Output is correct
12 Correct 0 ms 9376 KB Output is correct
13 Correct 0 ms 9376 KB Output is correct
14 Correct 0 ms 9376 KB Output is correct
15 Correct 0 ms 9376 KB Output is correct
16 Correct 0 ms 9376 KB Output is correct
17 Correct 0 ms 9376 KB Output is correct
18 Correct 0 ms 9376 KB Output is correct
19 Correct 0 ms 9376 KB Output is correct
20 Correct 0 ms 9376 KB Output is correct
21 Correct 0 ms 9376 KB Output is correct
22 Correct 0 ms 9376 KB Output is correct
23 Correct 0 ms 9376 KB Output is correct
24 Correct 0 ms 9376 KB Output is correct
25 Correct 0 ms 9376 KB Output is correct
26 Correct 0 ms 9376 KB Output is correct
27 Correct 0 ms 9376 KB Output is correct
28 Correct 0 ms 9376 KB Output is correct
29 Correct 0 ms 9376 KB Output is correct
30 Correct 0 ms 9376 KB Output is correct
31 Correct 0 ms 9508 KB Output is correct
32 Correct 0 ms 9508 KB Output is correct
33 Correct 0 ms 9640 KB Output is correct
34 Correct 0 ms 9640 KB Output is correct
35 Correct 0 ms 9640 KB Output is correct
36 Correct 3 ms 9784 KB Output is correct
37 Correct 3 ms 9772 KB Output is correct
38 Correct 3 ms 9772 KB Output is correct
39 Correct 3 ms 9772 KB Output is correct
40 Correct 0 ms 9640 KB Output is correct
41 Correct 0 ms 9640 KB Output is correct
42 Correct 0 ms 9640 KB Output is correct
43 Correct 3 ms 9772 KB Output is correct
44 Correct 3 ms 9772 KB Output is correct
45 Correct 3 ms 9772 KB Output is correct
46 Correct 3 ms 10076 KB Output is correct
47 Correct 3 ms 10096 KB Output is correct
48 Correct 3 ms 9916 KB Output is correct
49 Correct 3 ms 10040 KB Output is correct
50 Correct 3 ms 9812 KB Output is correct
51 Correct 3 ms 9808 KB Output is correct
52 Correct 3 ms 9960 KB Output is correct
53 Correct 0 ms 9916 KB Output is correct
54 Correct 3 ms 9904 KB Output is correct
55 Correct 3 ms 10436 KB Output is correct
56 Correct 36 ms 13780 KB Output is correct
57 Correct 66 ms 16596 KB Output is correct
58 Correct 73 ms 18800 KB Output is correct
59 Correct 116 ms 21684 KB Output is correct
60 Correct 126 ms 24564 KB Output is correct
61 Correct 159 ms 27380 KB Output is correct
62 Correct 169 ms 29124 KB Output is correct
63 Correct 203 ms 32608 KB Output is correct
64 Correct 203 ms 33372 KB Output is correct
65 Correct 86 ms 23500 KB Output is correct
66 Correct 93 ms 23500 KB Output is correct
67 Correct 113 ms 23500 KB Output is correct
68 Correct 149 ms 31284 KB Output is correct
69 Correct 186 ms 31924 KB Output is correct
70 Correct 189 ms 31920 KB Output is correct
71 Correct 213 ms 49280 KB Output is correct
72 Correct 229 ms 49108 KB Output is correct
73 Correct 193 ms 45276 KB Output is correct
74 Correct 193 ms 45960 KB Output is correct
75 Correct 203 ms 45828 KB Output is correct
76 Correct 196 ms 45884 KB Output is correct
77 Correct 199 ms 45500 KB Output is correct
78 Correct 186 ms 44500 KB Output is correct
79 Correct 193 ms 43892 KB Output is correct