답안 #31229

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
31229 2017-08-14T15:51:45 Z tatatan Fireworks (APIO16_fireworks) C++11
100 / 100
239 ms 44380 KB
#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define LL long long
#define st first
#define nd second
#define endl '\n'
using namespace std;

const int MAXN=300005;
int n,m,p[MAXN],c[MAXN];
LL a[MAXN],b[MAXN];
priority_queue<LL> pq[MAXN];

void swap2(int x,int y) {

	if(pq[x].size()<pq[y].size()) {
		pq[x].swap(pq[y]);
		swap(a[x],a[y]);
		swap(b[x],b[y]);
	}

}

void merge(int x,int y) {

	swap2(x,y);
	a[x]+=a[y];
	b[x]+=b[y];
	while(!pq[y].empty()) {
		pq[x].push(pq[y].top());
		pq[y].pop();
	}

}

int main() {

	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>n>>m;
	for(int i=2;i<=n+m;++i) {
		cin>>p[i]>>c[i];
		if(i>n) {
			a[i]=1;
			b[i]=-c[i];
			pq[i].push(c[i]);
			pq[i].push(c[i]);
			merge(p[i],i);
		}
	}
	for(int i=n;i>1;--i) {
		while(a[i]>1) {
			--a[i];
			b[i]+=pq[i].top();
			pq[i].pop();
		}
		LL t1=pq[i].top();
		pq[i].pop();
		LL t2=pq[i].top();
		pq[i].pop();
		pq[i].push(t2+c[i]);
		pq[i].push(t1+c[i]);
		b[i]-=c[i];
		merge(p[i],i);
	}
	while(a[1]>1) {
		--a[1];
		b[1]+=pq[1].top();
		pq[1].pop();
	}
	cout<<pq[1].top()+b[1]<<endl;

}	
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 18584 KB Output is correct
2 Correct 0 ms 18584 KB Output is correct
3 Correct 0 ms 18584 KB Output is correct
4 Correct 0 ms 18584 KB Output is correct
5 Correct 3 ms 18584 KB Output is correct
6 Correct 3 ms 18584 KB Output is correct
7 Correct 0 ms 18584 KB Output is correct
8 Correct 3 ms 18584 KB Output is correct
9 Correct 3 ms 18584 KB Output is correct
10 Correct 3 ms 18584 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 18584 KB Output is correct
2 Correct 0 ms 18584 KB Output is correct
3 Correct 3 ms 18584 KB Output is correct
4 Correct 0 ms 18584 KB Output is correct
5 Correct 3 ms 18584 KB Output is correct
6 Correct 0 ms 18584 KB Output is correct
7 Correct 0 ms 18584 KB Output is correct
8 Correct 0 ms 18584 KB Output is correct
9 Correct 0 ms 18584 KB Output is correct
10 Correct 3 ms 18584 KB Output is correct
11 Correct 0 ms 18584 KB Output is correct
12 Correct 0 ms 18584 KB Output is correct
13 Correct 3 ms 18584 KB Output is correct
14 Correct 0 ms 18584 KB Output is correct
15 Correct 6 ms 18584 KB Output is correct
16 Correct 0 ms 18584 KB Output is correct
17 Correct 0 ms 18584 KB Output is correct
18 Correct 0 ms 18584 KB Output is correct
19 Correct 0 ms 18584 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 18584 KB Output is correct
2 Correct 0 ms 18584 KB Output is correct
3 Correct 0 ms 18584 KB Output is correct
4 Correct 0 ms 18584 KB Output is correct
5 Correct 3 ms 18584 KB Output is correct
6 Correct 3 ms 18584 KB Output is correct
7 Correct 0 ms 18584 KB Output is correct
8 Correct 3 ms 18584 KB Output is correct
9 Correct 3 ms 18584 KB Output is correct
10 Correct 3 ms 18584 KB Output is correct
11 Correct 3 ms 18584 KB Output is correct
12 Correct 0 ms 18584 KB Output is correct
13 Correct 3 ms 18584 KB Output is correct
14 Correct 0 ms 18584 KB Output is correct
15 Correct 3 ms 18584 KB Output is correct
16 Correct 0 ms 18584 KB Output is correct
17 Correct 0 ms 18584 KB Output is correct
18 Correct 0 ms 18584 KB Output is correct
19 Correct 0 ms 18584 KB Output is correct
20 Correct 3 ms 18584 KB Output is correct
21 Correct 0 ms 18584 KB Output is correct
22 Correct 0 ms 18584 KB Output is correct
23 Correct 3 ms 18584 KB Output is correct
24 Correct 0 ms 18584 KB Output is correct
25 Correct 6 ms 18584 KB Output is correct
26 Correct 0 ms 18584 KB Output is correct
27 Correct 0 ms 18584 KB Output is correct
28 Correct 0 ms 18584 KB Output is correct
29 Correct 0 ms 18584 KB Output is correct
30 Correct 0 ms 18584 KB Output is correct
31 Correct 0 ms 18584 KB Output is correct
32 Correct 0 ms 18584 KB Output is correct
33 Correct 3 ms 18584 KB Output is correct
34 Correct 0 ms 18724 KB Output is correct
35 Correct 6 ms 18716 KB Output is correct
36 Correct 0 ms 18716 KB Output is correct
37 Correct 3 ms 18716 KB Output is correct
38 Correct 0 ms 18716 KB Output is correct
39 Correct 3 ms 18716 KB Output is correct
40 Correct 6 ms 18584 KB Output is correct
41 Correct 0 ms 18584 KB Output is correct
42 Correct 3 ms 18584 KB Output is correct
43 Correct 6 ms 18728 KB Output is correct
44 Correct 3 ms 18716 KB Output is correct
45 Correct 0 ms 18716 KB Output is correct
46 Correct 3 ms 19008 KB Output is correct
47 Correct 6 ms 19028 KB Output is correct
48 Correct 3 ms 18872 KB Output is correct
49 Correct 3 ms 18864 KB Output is correct
50 Correct 3 ms 18872 KB Output is correct
51 Correct 0 ms 18872 KB Output is correct
52 Correct 0 ms 18864 KB Output is correct
53 Correct 0 ms 18868 KB Output is correct
54 Correct 0 ms 18908 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 18584 KB Output is correct
2 Correct 0 ms 18584 KB Output is correct
3 Correct 0 ms 18584 KB Output is correct
4 Correct 0 ms 18584 KB Output is correct
5 Correct 3 ms 18584 KB Output is correct
6 Correct 3 ms 18584 KB Output is correct
7 Correct 0 ms 18584 KB Output is correct
8 Correct 3 ms 18584 KB Output is correct
9 Correct 3 ms 18584 KB Output is correct
10 Correct 3 ms 18584 KB Output is correct
11 Correct 3 ms 18584 KB Output is correct
12 Correct 0 ms 18584 KB Output is correct
13 Correct 3 ms 18584 KB Output is correct
14 Correct 0 ms 18584 KB Output is correct
15 Correct 3 ms 18584 KB Output is correct
16 Correct 0 ms 18584 KB Output is correct
17 Correct 0 ms 18584 KB Output is correct
18 Correct 0 ms 18584 KB Output is correct
19 Correct 0 ms 18584 KB Output is correct
20 Correct 3 ms 18584 KB Output is correct
21 Correct 0 ms 18584 KB Output is correct
22 Correct 0 ms 18584 KB Output is correct
23 Correct 3 ms 18584 KB Output is correct
24 Correct 0 ms 18584 KB Output is correct
25 Correct 6 ms 18584 KB Output is correct
26 Correct 0 ms 18584 KB Output is correct
27 Correct 0 ms 18584 KB Output is correct
28 Correct 0 ms 18584 KB Output is correct
29 Correct 0 ms 18584 KB Output is correct
30 Correct 0 ms 18584 KB Output is correct
31 Correct 0 ms 18584 KB Output is correct
32 Correct 0 ms 18584 KB Output is correct
33 Correct 3 ms 18584 KB Output is correct
34 Correct 0 ms 18724 KB Output is correct
35 Correct 6 ms 18716 KB Output is correct
36 Correct 0 ms 18716 KB Output is correct
37 Correct 3 ms 18716 KB Output is correct
38 Correct 0 ms 18716 KB Output is correct
39 Correct 3 ms 18716 KB Output is correct
40 Correct 6 ms 18584 KB Output is correct
41 Correct 0 ms 18584 KB Output is correct
42 Correct 3 ms 18584 KB Output is correct
43 Correct 6 ms 18728 KB Output is correct
44 Correct 3 ms 18716 KB Output is correct
45 Correct 0 ms 18716 KB Output is correct
46 Correct 3 ms 19008 KB Output is correct
47 Correct 6 ms 19028 KB Output is correct
48 Correct 3 ms 18872 KB Output is correct
49 Correct 3 ms 18864 KB Output is correct
50 Correct 3 ms 18872 KB Output is correct
51 Correct 0 ms 18872 KB Output is correct
52 Correct 0 ms 18864 KB Output is correct
53 Correct 0 ms 18868 KB Output is correct
54 Correct 0 ms 18908 KB Output is correct
55 Correct 6 ms 18984 KB Output is correct
56 Correct 26 ms 20572 KB Output is correct
57 Correct 53 ms 21812 KB Output is correct
58 Correct 63 ms 22876 KB Output is correct
59 Correct 79 ms 24196 KB Output is correct
60 Correct 126 ms 25304 KB Output is correct
61 Correct 156 ms 27044 KB Output is correct
62 Correct 166 ms 27744 KB Output is correct
63 Correct 209 ms 29260 KB Output is correct
64 Correct 216 ms 29272 KB Output is correct
65 Correct 89 ms 18584 KB Output is correct
66 Correct 109 ms 18584 KB Output is correct
67 Correct 79 ms 18584 KB Output is correct
68 Correct 143 ms 26384 KB Output is correct
69 Correct 193 ms 27024 KB Output is correct
70 Correct 163 ms 27020 KB Output is correct
71 Correct 193 ms 44380 KB Output is correct
72 Correct 233 ms 44336 KB Output is correct
73 Correct 233 ms 40392 KB Output is correct
74 Correct 186 ms 41064 KB Output is correct
75 Correct 239 ms 40972 KB Output is correct
76 Correct 179 ms 41036 KB Output is correct
77 Correct 216 ms 41120 KB Output is correct
78 Correct 203 ms 39784 KB Output is correct
79 Correct 179 ms 38992 KB Output is correct