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Submission #92220

# Submission time Handle Problem Language Result Execution time Memory
92220 2019-01-02T04:44:42 Z moonrabbit2 Fireworks (APIO16_fireworks) C++17
100 / 100
 191 ms 51088 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
const ll N=3e5+5;
int n,m,p[N],c[N];
struct ddata
{
    ll a,b;
    priority_queue<ll> *pq;
    ddata operator +(ddata k){
        ddata res;
        tie(res.a,res.b)=P(a+k.a,b+k.b);
        if(pq->size()>=k.pq->size()){
            res.pq=pq;
            while(k.pq->size()){
                res.pq->push(k.pq->top());
                k.pq->pop();
            }
        }
        else{
            res.pq=k.pq;
            while(pq->size()){
                res.pq->push(pq->top());
                pq->pop();
            }
        }
        return res;
    }
};
ddata a[N];
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>m;
    for(int i=2;i<=n+m;i++) cin>>p[i]>>c[i];
    for(int i=n+m;i>=1;i--){
        a[i].a=a[i].b=0;
        a[i].pq=new priority_queue<ll>;
    }
    for(int i=n+m;i>n;i--){
        a[i].a=1; a[i].b=-c[i];
        a[i].pq->push(c[i]); a[i].pq->push(c[i]);
        a[p[i]]=a[p[i]]+a[i];
    }
    for(int i=n;i>=2;i--){
        while(a[i].a>1){
            a[i].a--;
            a[i].b+=a[i].pq->top();
            a[i].pq->pop();
        }
        ll t1=a[i].pq->top();
        a[i].pq->pop();
        ll t2=a[i].pq->top();
        a[i].pq->pop();
        a[i].pq->push(t1+c[i]); a[i].pq->push(t2+c[i]);
        a[i].b-=c[i];
        a[p[i]]=a[p[i]]+a[i];
    }
    while(a[1].a>0){
        a[1].a--;
        a[1].b+=a[1].pq->top();
        a[1].pq->pop();
    }
    cout<<a[1].b;
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 388 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 420 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 388 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 420 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 3 ms 632 KB Output is correct
33 Correct 3 ms 632 KB Output is correct
34 Correct 3 ms 700 KB Output is correct
35 Correct 3 ms 888 KB Output is correct
36 Correct 4 ms 888 KB Output is correct
37 Correct 4 ms 1016 KB Output is correct
38 Correct 4 ms 1016 KB Output is correct
39 Correct 4 ms 1020 KB Output is correct
40 Correct 3 ms 760 KB Output is correct
41 Correct 3 ms 760 KB Output is correct
42 Correct 3 ms 888 KB Output is correct
43 Correct 4 ms 888 KB Output is correct
44 Correct 4 ms 888 KB Output is correct
45 Correct 4 ms 888 KB Output is correct
46 Correct 5 ms 1144 KB Output is correct
47 Correct 5 ms 1272 KB Output is correct
48 Correct 4 ms 1116 KB Output is correct
49 Correct 4 ms 1144 KB Output is correct
50 Correct 4 ms 888 KB Output is correct
51 Correct 4 ms 1016 KB Output is correct
52 Correct 4 ms 1016 KB Output is correct
53 Correct 4 ms 1016 KB Output is correct
54 Correct 4 ms 1128 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 388 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 420 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 3 ms 632 KB Output is correct
33 Correct 3 ms 632 KB Output is correct
34 Correct 3 ms 700 KB Output is correct
35 Correct 3 ms 888 KB Output is correct
36 Correct 4 ms 888 KB Output is correct
37 Correct 4 ms 1016 KB Output is correct
38 Correct 4 ms 1016 KB Output is correct
39 Correct 4 ms 1020 KB Output is correct
40 Correct 3 ms 760 KB Output is correct
41 Correct 3 ms 760 KB Output is correct
42 Correct 3 ms 888 KB Output is correct
43 Correct 4 ms 888 KB Output is correct
44 Correct 4 ms 888 KB Output is correct
45 Correct 4 ms 888 KB Output is correct
46 Correct 5 ms 1144 KB Output is correct
47 Correct 5 ms 1272 KB Output is correct
48 Correct 4 ms 1116 KB Output is correct
49 Correct 4 ms 1144 KB Output is correct
50 Correct 4 ms 888 KB Output is correct
51 Correct 4 ms 1016 KB Output is correct
52 Correct 4 ms 1016 KB Output is correct
53 Correct 4 ms 1016 KB Output is correct
54 Correct 4 ms 1128 KB Output is correct
55 Correct 8 ms 2040 KB Output is correct
56 Correct 31 ms 6908 KB Output is correct
57 Correct 49 ms 11356 KB Output is correct
58 Correct 66 ms 14452 KB Output is correct
59 Correct 92 ms 19160 KB Output is correct
60 Correct 124 ms 23600 KB Output is correct
61 Correct 152 ms 27148 KB Output is correct
62 Correct 186 ms 29676 KB Output is correct
63 Correct 191 ms 35556 KB Output is correct
64 Correct 191 ms 37176 KB Output is correct
65 Correct 92 ms 28664 KB Output is correct
66 Correct 98 ms 28664 KB Output is correct
67 Correct 90 ms 28792 KB Output is correct
68 Correct 140 ms 35396 KB Output is correct
69 Correct 159 ms 36160 KB Output is correct
70 Correct 174 ms 36032 KB Output is correct
71 Correct 187 ms 51088 KB Output is correct
72 Correct 185 ms 51044 KB Output is correct
73 Correct 171 ms 47468 KB Output is correct
74 Correct 172 ms 48052 KB Output is correct
75 Correct 166 ms 46308 KB Output is correct
76 Correct 175 ms 46336 KB Output is correct
77 Correct 191 ms 45356 KB Output is correct
78 Correct 183 ms 45032 KB Output is correct
79 Correct 169 ms 43832 KB Output is correct