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Submission #967500

# Submission time Handle Problem Language Result Execution time Memory
967500 2024-04-22T09:17:01 Z boyliguanhan Fireworks (APIO16_fireworks) C++17
100 / 100
 397 ms 37972 KB 
#include<bits/stdc++.h>
using namespace std;
#define N 5<<17
#define pop(X) rt[X]=merge(ch[rt[X]][0],ch[rt[X]][1])
#define int long long
int deg[N],P[N],C[N],rt[N],ch[N][2],v[N],CC;
mt19937 rng(9234623);
int merge(int a,int b){
    if(!a+!b)
        return a+b;
    if(v[a]<v[b])
        swap(a,b);
    int x=rng()%2;
    ch[a][x]=merge(ch[a][x],b);
    return a;
}
signed main(){
    cin.tie(0)->sync_with_stdio(0);
    int n,m,ans=0;
    cin>>n>>m;
    for(int i=2;i<=n+m;i++)
        cin>>P[i]>>C[i],deg[P[i]]++,ans+=C[i];
    for(int i=n+m;i>1;i--){
        int l=0,r=0;
        if(deg[i]){
            while(--deg[i])
                pop(i);
            r=v[rt[i]];
            pop(i);
            l=v[rt[i]];
            pop(i);
        }
        v[++CC]=l+C[i],v[++CC]=r+C[i];
        rt[i]=merge(rt[i],merge(CC,CC-1));
        rt[P[i]]=merge(rt[P[i]],rt[i]);
    }
    while(deg[1]--)
        pop(1);
    while(rt[1])
        ans-=v[rt[1]],pop(1);
    cout<<ans;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6612 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6488 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6488 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6612 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6488 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6488 KB Output is correct
28 Correct 1 ms 6492 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 2 ms 6748 KB Output is correct
33 Correct 2 ms 6744 KB Output is correct
34 Correct 2 ms 6748 KB Output is correct
35 Correct 2 ms 6892 KB Output is correct
36 Correct 3 ms 6748 KB Output is correct
37 Correct 3 ms 6744 KB Output is correct
38 Correct 3 ms 6744 KB Output is correct
39 Correct 3 ms 6748 KB Output is correct
40 Correct 2 ms 6748 KB Output is correct
41 Correct 2 ms 6748 KB Output is correct
42 Correct 2 ms 6748 KB Output is correct
43 Correct 2 ms 6748 KB Output is correct
44 Correct 3 ms 6764 KB Output is correct
45 Correct 3 ms 6748 KB Output is correct
46 Correct 3 ms 6748 KB Output is correct
47 Correct 4 ms 6748 KB Output is correct
48 Correct 4 ms 6748 KB Output is correct
49 Correct 4 ms 6748 KB Output is correct
50 Correct 3 ms 6748 KB Output is correct
51 Correct 3 ms 6748 KB Output is correct
52 Correct 4 ms 6888 KB Output is correct
53 Correct 3 ms 6956 KB Output is correct
54 Correct 4 ms 6744 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6612 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6488 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6488 KB Output is correct
28 Correct 1 ms 6492 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 2 ms 6748 KB Output is correct
33 Correct 2 ms 6744 KB Output is correct
34 Correct 2 ms 6748 KB Output is correct
35 Correct 2 ms 6892 KB Output is correct
36 Correct 3 ms 6748 KB Output is correct
37 Correct 3 ms 6744 KB Output is correct
38 Correct 3 ms 6744 KB Output is correct
39 Correct 3 ms 6748 KB Output is correct
40 Correct 2 ms 6748 KB Output is correct
41 Correct 2 ms 6748 KB Output is correct
42 Correct 2 ms 6748 KB Output is correct
43 Correct 2 ms 6748 KB Output is correct
44 Correct 3 ms 6764 KB Output is correct
45 Correct 3 ms 6748 KB Output is correct
46 Correct 3 ms 6748 KB Output is correct
47 Correct 4 ms 6748 KB Output is correct
48 Correct 4 ms 6748 KB Output is correct
49 Correct 4 ms 6748 KB Output is correct
50 Correct 3 ms 6748 KB Output is correct
51 Correct 3 ms 6748 KB Output is correct
52 Correct 4 ms 6888 KB Output is correct
53 Correct 3 ms 6956 KB Output is correct
54 Correct 4 ms 6744 KB Output is correct
55 Correct 5 ms 9564 KB Output is correct
56 Correct 17 ms 15496 KB Output is correct
57 Correct 36 ms 17752 KB Output is correct
58 Correct 38 ms 18768 KB Output is correct
59 Correct 51 ms 22800 KB Output is correct
60 Correct 65 ms 26704 KB Output is correct
61 Correct 75 ms 28108 KB Output is correct
62 Correct 84 ms 29192 KB Output is correct
63 Correct 114 ms 31688 KB Output is correct
64 Correct 119 ms 32788 KB Output is correct
65 Correct 52 ms 37968 KB Output is correct
66 Correct 52 ms 37972 KB Output is correct
67 Correct 51 ms 37972 KB Output is correct
68 Correct 122 ms 35852 KB Output is correct
69 Correct 128 ms 35776 KB Output is correct
70 Correct 124 ms 35744 KB Output is correct
71 Correct 213 ms 33364 KB Output is correct
72 Correct 212 ms 33700 KB Output is correct
73 Correct 227 ms 33212 KB Output is correct
74 Correct 236 ms 33104 KB Output is correct
75 Correct 238 ms 32852 KB Output is correct
76 Correct 248 ms 32852 KB Output is correct
77 Correct 275 ms 33104 KB Output is correct
78 Correct 280 ms 32572 KB Output is correct
79 Correct 397 ms 32700 KB Output is correct