#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/priority_queue.hpp>
#define ll long long
#define N 300005
#define endl "\n"
#define fi first
#define se second
using namespace std;
const ll mod=1e9+7;
const ll inf=1e18;
const double eps=1e-6;
__gnu_pbds::priority_queue<ll> q[N];
ll n,m,w[N],d[N],res=0;
vector<ll>v[N];
void dfs(ll x){
ll l=0,r=0;
for(auto y:v[x]){
dfs(y);
q[x].join(q[y]);
}
if(x<=n){
for(int i=1;i<d[x];i++)q[x].pop();
l=q[x].top();q[x].pop();
r=q[x].top();q[x].pop();
}
q[x].push(l+w[x]);
q[x].push(r+w[x]);
}
int main(){
//freopen(".in","r",stdin);
//freopen(".out","w",stdout);
cin>>n>>m;
for(int i=2,x;i<=n+m;i++){
cin>>x>>w[i];
res+=w[i],d[x]++;
v[x].push_back(i);
}
dfs(1);
q[1].pop();
ll now=1;
while(!q[1].empty()){
res-=q[1].top();
q[1].pop();
}
cout<<res<<endl;
return 0;
}
Compilation message
fireworks.cpp: In function 'int main()':
fireworks.cpp:43:8: warning: unused variable 'now' [-Wunused-variable]
43 | ll now=1;
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
14428 KB |
Output is correct |
2 |
Correct |
7 ms |
14428 KB |
Output is correct |
3 |
Correct |
6 ms |
14500 KB |
Output is correct |
4 |
Correct |
6 ms |
14428 KB |
Output is correct |
5 |
Correct |
6 ms |
14324 KB |
Output is correct |
6 |
Correct |
6 ms |
14424 KB |
Output is correct |
7 |
Correct |
7 ms |
14428 KB |
Output is correct |
8 |
Correct |
7 ms |
14680 KB |
Output is correct |
9 |
Correct |
6 ms |
14428 KB |
Output is correct |
10 |
Correct |
6 ms |
14428 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
14428 KB |
Output is correct |
2 |
Correct |
7 ms |
14428 KB |
Output is correct |
3 |
Correct |
6 ms |
14544 KB |
Output is correct |
4 |
Correct |
7 ms |
14428 KB |
Output is correct |
5 |
Correct |
6 ms |
14428 KB |
Output is correct |
6 |
Correct |
6 ms |
14428 KB |
Output is correct |
7 |
Correct |
6 ms |
14428 KB |
Output is correct |
8 |
Correct |
6 ms |
14428 KB |
Output is correct |
9 |
Correct |
6 ms |
14428 KB |
Output is correct |
10 |
Correct |
6 ms |
14428 KB |
Output is correct |
11 |
Correct |
6 ms |
14424 KB |
Output is correct |
12 |
Correct |
6 ms |
14428 KB |
Output is correct |
13 |
Correct |
6 ms |
14428 KB |
Output is correct |
14 |
Correct |
6 ms |
14428 KB |
Output is correct |
15 |
Correct |
6 ms |
14428 KB |
Output is correct |
16 |
Correct |
6 ms |
14428 KB |
Output is correct |
17 |
Correct |
6 ms |
14428 KB |
Output is correct |
18 |
Correct |
6 ms |
14368 KB |
Output is correct |
19 |
Correct |
8 ms |
14356 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
14428 KB |
Output is correct |
2 |
Correct |
7 ms |
14428 KB |
Output is correct |
3 |
Correct |
6 ms |
14500 KB |
Output is correct |
4 |
Correct |
6 ms |
14428 KB |
Output is correct |
5 |
Correct |
6 ms |
14324 KB |
Output is correct |
6 |
Correct |
6 ms |
14424 KB |
Output is correct |
7 |
Correct |
7 ms |
14428 KB |
Output is correct |
8 |
Correct |
7 ms |
14680 KB |
Output is correct |
9 |
Correct |
6 ms |
14428 KB |
Output is correct |
10 |
Correct |
6 ms |
14428 KB |
Output is correct |
11 |
Correct |
7 ms |
14428 KB |
Output is correct |
12 |
Correct |
7 ms |
14428 KB |
Output is correct |
13 |
Correct |
6 ms |
14544 KB |
Output is correct |
14 |
Correct |
7 ms |
14428 KB |
Output is correct |
15 |
Correct |
6 ms |
14428 KB |
Output is correct |
16 |
Correct |
6 ms |
14428 KB |
Output is correct |
17 |
Correct |
6 ms |
14428 KB |
Output is correct |
18 |
Correct |
6 ms |
14428 KB |
Output is correct |
19 |
Correct |
6 ms |
14428 KB |
Output is correct |
20 |
Correct |
6 ms |
14428 KB |
Output is correct |
21 |
Correct |
6 ms |
14424 KB |
Output is correct |
22 |
Correct |
6 ms |
14428 KB |
Output is correct |
23 |
Correct |
6 ms |
14428 KB |
Output is correct |
24 |
Correct |
6 ms |
14428 KB |
Output is correct |
25 |
Correct |
6 ms |
14428 KB |
Output is correct |
26 |
Correct |
6 ms |
14428 KB |
Output is correct |
27 |
Correct |
6 ms |
14428 KB |
Output is correct |
28 |
Correct |
6 ms |
14368 KB |
Output is correct |
29 |
Correct |
8 ms |
14356 KB |
Output is correct |
30 |
Correct |
6 ms |
14428 KB |
Output is correct |
31 |
Correct |
7 ms |
14424 KB |
Output is correct |
32 |
Correct |
7 ms |
14428 KB |
Output is correct |
33 |
Correct |
8 ms |
14668 KB |
Output is correct |
34 |
Correct |
8 ms |
14636 KB |
Output is correct |
35 |
Correct |
8 ms |
14680 KB |
Output is correct |
36 |
Correct |
8 ms |
14684 KB |
Output is correct |
37 |
Correct |
9 ms |
14680 KB |
Output is correct |
38 |
Correct |
8 ms |
14684 KB |
Output is correct |
39 |
Correct |
9 ms |
14684 KB |
Output is correct |
40 |
Correct |
9 ms |
15196 KB |
Output is correct |
41 |
Correct |
10 ms |
15196 KB |
Output is correct |
42 |
Correct |
9 ms |
14684 KB |
Output is correct |
43 |
Correct |
9 ms |
14936 KB |
Output is correct |
44 |
Correct |
9 ms |
14940 KB |
Output is correct |
45 |
Correct |
9 ms |
15016 KB |
Output is correct |
46 |
Correct |
9 ms |
14936 KB |
Output is correct |
47 |
Correct |
9 ms |
14936 KB |
Output is correct |
48 |
Correct |
14 ms |
14684 KB |
Output is correct |
49 |
Correct |
9 ms |
14940 KB |
Output is correct |
50 |
Correct |
10 ms |
14940 KB |
Output is correct |
51 |
Correct |
10 ms |
14936 KB |
Output is correct |
52 |
Correct |
9 ms |
14936 KB |
Output is correct |
53 |
Correct |
9 ms |
14932 KB |
Output is correct |
54 |
Correct |
10 ms |
14940 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
14428 KB |
Output is correct |
2 |
Correct |
7 ms |
14428 KB |
Output is correct |
3 |
Correct |
6 ms |
14500 KB |
Output is correct |
4 |
Correct |
6 ms |
14428 KB |
Output is correct |
5 |
Correct |
6 ms |
14324 KB |
Output is correct |
6 |
Correct |
6 ms |
14424 KB |
Output is correct |
7 |
Correct |
7 ms |
14428 KB |
Output is correct |
8 |
Correct |
7 ms |
14680 KB |
Output is correct |
9 |
Correct |
6 ms |
14428 KB |
Output is correct |
10 |
Correct |
6 ms |
14428 KB |
Output is correct |
11 |
Correct |
7 ms |
14428 KB |
Output is correct |
12 |
Correct |
7 ms |
14428 KB |
Output is correct |
13 |
Correct |
6 ms |
14544 KB |
Output is correct |
14 |
Correct |
7 ms |
14428 KB |
Output is correct |
15 |
Correct |
6 ms |
14428 KB |
Output is correct |
16 |
Correct |
6 ms |
14428 KB |
Output is correct |
17 |
Correct |
6 ms |
14428 KB |
Output is correct |
18 |
Correct |
6 ms |
14428 KB |
Output is correct |
19 |
Correct |
6 ms |
14428 KB |
Output is correct |
20 |
Correct |
6 ms |
14428 KB |
Output is correct |
21 |
Correct |
6 ms |
14424 KB |
Output is correct |
22 |
Correct |
6 ms |
14428 KB |
Output is correct |
23 |
Correct |
6 ms |
14428 KB |
Output is correct |
24 |
Correct |
6 ms |
14428 KB |
Output is correct |
25 |
Correct |
6 ms |
14428 KB |
Output is correct |
26 |
Correct |
6 ms |
14428 KB |
Output is correct |
27 |
Correct |
6 ms |
14428 KB |
Output is correct |
28 |
Correct |
6 ms |
14368 KB |
Output is correct |
29 |
Correct |
8 ms |
14356 KB |
Output is correct |
30 |
Correct |
6 ms |
14428 KB |
Output is correct |
31 |
Correct |
7 ms |
14424 KB |
Output is correct |
32 |
Correct |
7 ms |
14428 KB |
Output is correct |
33 |
Correct |
8 ms |
14668 KB |
Output is correct |
34 |
Correct |
8 ms |
14636 KB |
Output is correct |
35 |
Correct |
8 ms |
14680 KB |
Output is correct |
36 |
Correct |
8 ms |
14684 KB |
Output is correct |
37 |
Correct |
9 ms |
14680 KB |
Output is correct |
38 |
Correct |
8 ms |
14684 KB |
Output is correct |
39 |
Correct |
9 ms |
14684 KB |
Output is correct |
40 |
Correct |
9 ms |
15196 KB |
Output is correct |
41 |
Correct |
10 ms |
15196 KB |
Output is correct |
42 |
Correct |
9 ms |
14684 KB |
Output is correct |
43 |
Correct |
9 ms |
14936 KB |
Output is correct |
44 |
Correct |
9 ms |
14940 KB |
Output is correct |
45 |
Correct |
9 ms |
15016 KB |
Output is correct |
46 |
Correct |
9 ms |
14936 KB |
Output is correct |
47 |
Correct |
9 ms |
14936 KB |
Output is correct |
48 |
Correct |
14 ms |
14684 KB |
Output is correct |
49 |
Correct |
9 ms |
14940 KB |
Output is correct |
50 |
Correct |
10 ms |
14940 KB |
Output is correct |
51 |
Correct |
10 ms |
14936 KB |
Output is correct |
52 |
Correct |
9 ms |
14936 KB |
Output is correct |
53 |
Correct |
9 ms |
14932 KB |
Output is correct |
54 |
Correct |
10 ms |
14940 KB |
Output is correct |
55 |
Correct |
13 ms |
15196 KB |
Output is correct |
56 |
Correct |
37 ms |
17568 KB |
Output is correct |
57 |
Correct |
71 ms |
19948 KB |
Output is correct |
58 |
Correct |
81 ms |
21668 KB |
Output is correct |
59 |
Correct |
104 ms |
23892 KB |
Output is correct |
60 |
Correct |
127 ms |
26472 KB |
Output is correct |
61 |
Correct |
161 ms |
27988 KB |
Output is correct |
62 |
Correct |
164 ms |
29520 KB |
Output is correct |
63 |
Correct |
197 ms |
32336 KB |
Output is correct |
64 |
Correct |
225 ms |
33360 KB |
Output is correct |
65 |
Correct |
197 ms |
56912 KB |
Output is correct |
66 |
Correct |
174 ms |
56844 KB |
Output is correct |
67 |
Correct |
195 ms |
33380 KB |
Output is correct |
68 |
Correct |
230 ms |
46104 KB |
Output is correct |
69 |
Correct |
223 ms |
45204 KB |
Output is correct |
70 |
Correct |
213 ms |
44884 KB |
Output is correct |
71 |
Correct |
232 ms |
38480 KB |
Output is correct |
72 |
Correct |
243 ms |
38484 KB |
Output is correct |
73 |
Correct |
245 ms |
37972 KB |
Output is correct |
74 |
Correct |
232 ms |
37968 KB |
Output is correct |
75 |
Correct |
237 ms |
37460 KB |
Output is correct |
76 |
Correct |
262 ms |
37692 KB |
Output is correct |
77 |
Correct |
269 ms |
37324 KB |
Output is correct |
78 |
Correct |
267 ms |
37956 KB |
Output is correct |
79 |
Correct |
316 ms |
50696 KB |
Output is correct |