Submission #367719

# Submission time Handle Problem Language Result Execution time Memory
367719 2021-02-18T05:55:25 Z YJU Fireworks (APIO16_fireworks) C++14
100 / 100
236 ms 53208 KB
#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector,Ofast")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=1e6+5;
const ld pi=acos(-1);
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()

struct data{
	ll a,b;
	priority_queue<ll> *pq;
	data operator+(data B){
		data s;
		s.a=a+B.a;
		s.b=b+B.b;
		if(pq->size()>B.pq->size()){
			s.pq=pq;
			while(!B.pq->empty()){
				s.pq->push(B.pq->top());
				B.pq->pop();
			}
		}else{
			s.pq=B.pq;
			while(!pq->empty()){
				s.pq->push(pq->top());
				pq->pop();
			}
		}
		return s;
	}
}d[N];

ll n,m,p[N],c[N];

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];
	}
	REP1(i,n+m)d[i].a=d[i].b=0,d[i].pq=new priority_queue<ll>;
	for(int i=n+m;i>n;i--){
		d[i].a=1;
		d[i].b=-c[i];
		d[i].pq->push(c[i]);
		d[i].pq->push(c[i]);
		d[p[i]]=d[p[i]]+d[i];
	}
	for(int i=n;i>1;i--){
		while(d[i].a>1){
			--d[i].a;
			d[i].b+=d[i].pq->top();
			d[i].pq->pop();
		}
		ll tmpa=d[i].pq->top();d[i].pq->pop();
		ll tmpb=d[i].pq->top();d[i].pq->pop();
		d[i].pq->push(tmpa+c[i]);
		d[i].pq->push(tmpb+c[i]);
		d[i].b-=c[i];
		d[p[i]]=d[p[i]]+d[i];
	}
	while(d[1].a>0){
		--d[1].a;
		d[1].b+=d[1].pq->top();
		d[1].pq->pop();
	}
	cout<<d[1].b<<"\n";
	return 0;
}

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 620 KB Output is correct
33 Correct 2 ms 620 KB Output is correct
34 Correct 2 ms 748 KB Output is correct
35 Correct 4 ms 876 KB Output is correct
36 Correct 3 ms 876 KB Output is correct
37 Correct 3 ms 1004 KB Output is correct
38 Correct 3 ms 1004 KB Output is correct
39 Correct 3 ms 1004 KB Output is correct
40 Correct 2 ms 876 KB Output is correct
41 Correct 2 ms 876 KB Output is correct
42 Correct 2 ms 876 KB Output is correct
43 Correct 3 ms 1004 KB Output is correct
44 Correct 3 ms 1004 KB Output is correct
45 Correct 4 ms 1004 KB Output is correct
46 Correct 3 ms 1260 KB Output is correct
47 Correct 4 ms 1388 KB Output is correct
48 Correct 3 ms 1132 KB Output is correct
49 Correct 3 ms 1132 KB Output is correct
50 Correct 3 ms 1004 KB Output is correct
51 Correct 3 ms 1004 KB Output is correct
52 Correct 3 ms 1132 KB Output is correct
53 Correct 3 ms 1132 KB Output is correct
54 Correct 4 ms 1132 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 620 KB Output is correct
33 Correct 2 ms 620 KB Output is correct
34 Correct 2 ms 748 KB Output is correct
35 Correct 4 ms 876 KB Output is correct
36 Correct 3 ms 876 KB Output is correct
37 Correct 3 ms 1004 KB Output is correct
38 Correct 3 ms 1004 KB Output is correct
39 Correct 3 ms 1004 KB Output is correct
40 Correct 2 ms 876 KB Output is correct
41 Correct 2 ms 876 KB Output is correct
42 Correct 2 ms 876 KB Output is correct
43 Correct 3 ms 1004 KB Output is correct
44 Correct 3 ms 1004 KB Output is correct
45 Correct 4 ms 1004 KB Output is correct
46 Correct 3 ms 1260 KB Output is correct
47 Correct 4 ms 1388 KB Output is correct
48 Correct 3 ms 1132 KB Output is correct
49 Correct 3 ms 1132 KB Output is correct
50 Correct 3 ms 1004 KB Output is correct
51 Correct 3 ms 1004 KB Output is correct
52 Correct 3 ms 1132 KB Output is correct
53 Correct 3 ms 1132 KB Output is correct
54 Correct 4 ms 1132 KB Output is correct
55 Correct 9 ms 2156 KB Output is correct
56 Correct 38 ms 7276 KB Output is correct
57 Correct 59 ms 12140 KB Output is correct
58 Correct 68 ms 15336 KB Output is correct
59 Correct 90 ms 20200 KB Output is correct
60 Correct 133 ms 24808 KB Output is correct
61 Correct 145 ms 28724 KB Output is correct
62 Correct 154 ms 31492 KB Output is correct
63 Correct 189 ms 37464 KB Output is correct
64 Correct 236 ms 39136 KB Output is correct
65 Correct 95 ms 31084 KB Output is correct
66 Correct 98 ms 31012 KB Output is correct
67 Correct 102 ms 31212 KB Output is correct
68 Correct 156 ms 37860 KB Output is correct
69 Correct 176 ms 38504 KB Output is correct
70 Correct 176 ms 38376 KB Output is correct
71 Correct 210 ms 53104 KB Output is correct
72 Correct 204 ms 53208 KB Output is correct
73 Correct 173 ms 49792 KB Output is correct
74 Correct 198 ms 50476 KB Output is correct
75 Correct 179 ms 48660 KB Output is correct
76 Correct 184 ms 48732 KB Output is correct
77 Correct 189 ms 47704 KB Output is correct
78 Correct 213 ms 47324 KB Output is correct
79 Correct 176 ms 46168 KB Output is correct