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Submission #967461

# Submission time Handle Problem Language Result Execution time Memory
967461 2024-04-22T06:50:39 Z vjudge1 Fireworks (APIO16_fireworks) C++17
100 / 100
 379 ms 38088 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 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 6492 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 6492 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6552 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 1 ms 6492 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 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 2 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 6492 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 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 6492 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 6492 KB Output is correct
11 Correct 1 ms 6552 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 2 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 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 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 2 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 6492 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 6492 KB Output is correct
33 Correct 1 ms 6748 KB Output is correct
34 Correct 2 ms 6748 KB Output is correct
35 Correct 2 ms 6748 KB Output is correct
36 Correct 2 ms 6612 KB Output is correct
37 Correct 3 ms 6744 KB Output is correct
38 Correct 2 ms 6748 KB Output is correct
39 Correct 2 ms 6748 KB Output is correct
40 Correct 2 ms 6748 KB Output is correct
41 Correct 3 ms 6748 KB Output is correct
42 Correct 2 ms 6748 KB Output is correct
43 Correct 3 ms 6748 KB Output is correct
44 Correct 3 ms 6748 KB Output is correct
45 Correct 3 ms 6748 KB Output is correct
46 Correct 4 ms 6748 KB Output is correct
47 Correct 3 ms 6748 KB Output is correct
48 Correct 3 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 3 ms 6880 KB Output is correct
53 Correct 4 ms 6748 KB Output is correct
54 Correct 4 ms 6748 KB Output is correct

Subtask #4
45.0 / 45.0

# 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 6492 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 6492 KB Output is correct
11 Correct 1 ms 6552 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 2 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 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 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 2 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 6492 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 6492 KB Output is correct
33 Correct 1 ms 6748 KB Output is correct
34 Correct 2 ms 6748 KB Output is correct
35 Correct 2 ms 6748 KB Output is correct
36 Correct 2 ms 6612 KB Output is correct
37 Correct 3 ms 6744 KB Output is correct
38 Correct 2 ms 6748 KB Output is correct
39 Correct 2 ms 6748 KB Output is correct
40 Correct 2 ms 6748 KB Output is correct
41 Correct 3 ms 6748 KB Output is correct
42 Correct 2 ms 6748 KB Output is correct
43 Correct 3 ms 6748 KB Output is correct
44 Correct 3 ms 6748 KB Output is correct
45 Correct 3 ms 6748 KB Output is correct
46 Correct 4 ms 6748 KB Output is correct
47 Correct 3 ms 6748 KB Output is correct
48 Correct 3 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 3 ms 6880 KB Output is correct
53 Correct 4 ms 6748 KB Output is correct
54 Correct 4 ms 6748 KB Output is correct
55 Correct 5 ms 9304 KB Output is correct
56 Correct 17 ms 14684 KB Output is correct
57 Correct 29 ms 16240 KB Output is correct
58 Correct 36 ms 16980 KB Output is correct
59 Correct 50 ms 20608 KB Output is correct
60 Correct 62 ms 23892 KB Output is correct
61 Correct 76 ms 27984 KB Output is correct
62 Correct 79 ms 29116 KB Output is correct
63 Correct 98 ms 31568 KB Output is correct
64 Correct 102 ms 32584 KB Output is correct
65 Correct 64 ms 37960 KB Output is correct
66 Correct 53 ms 38088 KB Output is correct
67 Correct 51 ms 37972 KB Output is correct
68 Correct 123 ms 35996 KB Output is correct
69 Correct 127 ms 35744 KB Output is correct
70 Correct 129 ms 35920 KB Output is correct
71 Correct 214 ms 33360 KB Output is correct
72 Correct 213 ms 33224 KB Output is correct
73 Correct 226 ms 33216 KB Output is correct
74 Correct 227 ms 33104 KB Output is correct
75 Correct 272 ms 32928 KB Output is correct
76 Correct 286 ms 32852 KB Output is correct
77 Correct 270 ms 32704 KB Output is correct
78 Correct 308 ms 32768 KB Output is correct
79 Correct 379 ms 32696 KB Output is correct