#include<bits/stdc++.h>
//#include <grader.h>
#define pii pair<int, int>
#define pll pair<long long, long long>
#define ll long long
#define ld long double
#define st first
#define nd second
#define pb push_back
#define INF INT_MAX
using namespace std;
const int N = 3e5 + 10;
vector<int> adj[N];
priority_queue<ll> q[N];
ll c[N];
void dfs(int i) {
if (adj[i].empty()) {
q[i].push(c[i]);
q[i].push(c[i]);
return;
}
for (auto j : adj[i]) {
dfs(j);
if (q[i].size() < q[j].size()) swap(q[i], q[j]);
while (!q[j].empty()) q[i].push(q[j].top()), q[j].pop();
}
for (int k = 1; k < adj[i].size(); ++k) q[i].pop();
ll a = q[i].top()+c[i]; q[i].pop();
ll b = q[i].top()+c[i]; q[i].pop();
q[i].push(a); q[i].push(b);
}
void solve() {
int n, m; cin >> n >> m;
for (int i = 2; i <= n+m; ++i) {
int p; cin >> p >> c[i];
adj[p].pb(i);
}
ll ans = 0;
for (int i = 2; i <= n+m; ++i) ans += c[i];
dfs(1);
q[1].pop();
while (!q[1].empty()) ans -= q[1].top(), q[1].pop();
cout << ans << '\n';
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(NULL);
int t = 1;
// cin >> t;
while (t--) {
solve();
}
return 0;
}
Compilation message
fireworks.cpp: In function 'void dfs(int)':
fireworks.cpp:30:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | for (int k = 1; k < adj[i].size(); ++k) q[i].pop();
| ~~^~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
16724 KB |
Output is correct |
2 |
Correct |
9 ms |
16764 KB |
Output is correct |
3 |
Correct |
8 ms |
16772 KB |
Output is correct |
4 |
Correct |
9 ms |
16724 KB |
Output is correct |
5 |
Correct |
9 ms |
16784 KB |
Output is correct |
6 |
Correct |
8 ms |
16724 KB |
Output is correct |
7 |
Correct |
9 ms |
16764 KB |
Output is correct |
8 |
Correct |
9 ms |
16720 KB |
Output is correct |
9 |
Correct |
9 ms |
16724 KB |
Output is correct |
10 |
Correct |
9 ms |
16724 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
16716 KB |
Output is correct |
2 |
Correct |
9 ms |
16684 KB |
Output is correct |
3 |
Correct |
10 ms |
16724 KB |
Output is correct |
4 |
Correct |
8 ms |
16724 KB |
Output is correct |
5 |
Correct |
9 ms |
16724 KB |
Output is correct |
6 |
Correct |
9 ms |
16724 KB |
Output is correct |
7 |
Correct |
8 ms |
16724 KB |
Output is correct |
8 |
Correct |
8 ms |
16724 KB |
Output is correct |
9 |
Correct |
10 ms |
16724 KB |
Output is correct |
10 |
Correct |
10 ms |
16724 KB |
Output is correct |
11 |
Correct |
9 ms |
16712 KB |
Output is correct |
12 |
Correct |
9 ms |
16724 KB |
Output is correct |
13 |
Correct |
8 ms |
16768 KB |
Output is correct |
14 |
Correct |
9 ms |
16720 KB |
Output is correct |
15 |
Correct |
9 ms |
16796 KB |
Output is correct |
16 |
Correct |
9 ms |
16724 KB |
Output is correct |
17 |
Correct |
9 ms |
16724 KB |
Output is correct |
18 |
Correct |
8 ms |
16724 KB |
Output is correct |
19 |
Correct |
10 ms |
16700 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
16724 KB |
Output is correct |
2 |
Correct |
9 ms |
16764 KB |
Output is correct |
3 |
Correct |
8 ms |
16772 KB |
Output is correct |
4 |
Correct |
9 ms |
16724 KB |
Output is correct |
5 |
Correct |
9 ms |
16784 KB |
Output is correct |
6 |
Correct |
8 ms |
16724 KB |
Output is correct |
7 |
Correct |
9 ms |
16764 KB |
Output is correct |
8 |
Correct |
9 ms |
16720 KB |
Output is correct |
9 |
Correct |
9 ms |
16724 KB |
Output is correct |
10 |
Correct |
9 ms |
16724 KB |
Output is correct |
11 |
Correct |
8 ms |
16716 KB |
Output is correct |
12 |
Correct |
9 ms |
16684 KB |
Output is correct |
13 |
Correct |
10 ms |
16724 KB |
Output is correct |
14 |
Correct |
8 ms |
16724 KB |
Output is correct |
15 |
Correct |
9 ms |
16724 KB |
Output is correct |
16 |
Correct |
9 ms |
16724 KB |
Output is correct |
17 |
Correct |
8 ms |
16724 KB |
Output is correct |
18 |
Correct |
8 ms |
16724 KB |
Output is correct |
19 |
Correct |
10 ms |
16724 KB |
Output is correct |
20 |
Correct |
10 ms |
16724 KB |
Output is correct |
21 |
Correct |
9 ms |
16712 KB |
Output is correct |
22 |
Correct |
9 ms |
16724 KB |
Output is correct |
23 |
Correct |
8 ms |
16768 KB |
Output is correct |
24 |
Correct |
9 ms |
16720 KB |
Output is correct |
25 |
Correct |
9 ms |
16796 KB |
Output is correct |
26 |
Correct |
9 ms |
16724 KB |
Output is correct |
27 |
Correct |
9 ms |
16724 KB |
Output is correct |
28 |
Correct |
8 ms |
16724 KB |
Output is correct |
29 |
Correct |
10 ms |
16700 KB |
Output is correct |
30 |
Correct |
9 ms |
16852 KB |
Output is correct |
31 |
Correct |
10 ms |
16824 KB |
Output is correct |
32 |
Correct |
10 ms |
16900 KB |
Output is correct |
33 |
Correct |
10 ms |
16904 KB |
Output is correct |
34 |
Correct |
9 ms |
16980 KB |
Output is correct |
35 |
Correct |
11 ms |
17000 KB |
Output is correct |
36 |
Correct |
13 ms |
16980 KB |
Output is correct |
37 |
Correct |
12 ms |
17040 KB |
Output is correct |
38 |
Correct |
13 ms |
17236 KB |
Output is correct |
39 |
Correct |
12 ms |
17108 KB |
Output is correct |
40 |
Correct |
11 ms |
17672 KB |
Output is correct |
41 |
Correct |
10 ms |
17620 KB |
Output is correct |
42 |
Correct |
11 ms |
17052 KB |
Output is correct |
43 |
Correct |
11 ms |
17296 KB |
Output is correct |
44 |
Correct |
14 ms |
17296 KB |
Output is correct |
45 |
Correct |
11 ms |
17312 KB |
Output is correct |
46 |
Correct |
11 ms |
17172 KB |
Output is correct |
47 |
Correct |
11 ms |
17108 KB |
Output is correct |
48 |
Correct |
12 ms |
17076 KB |
Output is correct |
49 |
Correct |
11 ms |
17108 KB |
Output is correct |
50 |
Correct |
12 ms |
17064 KB |
Output is correct |
51 |
Correct |
10 ms |
16980 KB |
Output is correct |
52 |
Correct |
11 ms |
17108 KB |
Output is correct |
53 |
Correct |
11 ms |
17160 KB |
Output is correct |
54 |
Correct |
11 ms |
17108 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
16724 KB |
Output is correct |
2 |
Correct |
9 ms |
16764 KB |
Output is correct |
3 |
Correct |
8 ms |
16772 KB |
Output is correct |
4 |
Correct |
9 ms |
16724 KB |
Output is correct |
5 |
Correct |
9 ms |
16784 KB |
Output is correct |
6 |
Correct |
8 ms |
16724 KB |
Output is correct |
7 |
Correct |
9 ms |
16764 KB |
Output is correct |
8 |
Correct |
9 ms |
16720 KB |
Output is correct |
9 |
Correct |
9 ms |
16724 KB |
Output is correct |
10 |
Correct |
9 ms |
16724 KB |
Output is correct |
11 |
Correct |
8 ms |
16716 KB |
Output is correct |
12 |
Correct |
9 ms |
16684 KB |
Output is correct |
13 |
Correct |
10 ms |
16724 KB |
Output is correct |
14 |
Correct |
8 ms |
16724 KB |
Output is correct |
15 |
Correct |
9 ms |
16724 KB |
Output is correct |
16 |
Correct |
9 ms |
16724 KB |
Output is correct |
17 |
Correct |
8 ms |
16724 KB |
Output is correct |
18 |
Correct |
8 ms |
16724 KB |
Output is correct |
19 |
Correct |
10 ms |
16724 KB |
Output is correct |
20 |
Correct |
10 ms |
16724 KB |
Output is correct |
21 |
Correct |
9 ms |
16712 KB |
Output is correct |
22 |
Correct |
9 ms |
16724 KB |
Output is correct |
23 |
Correct |
8 ms |
16768 KB |
Output is correct |
24 |
Correct |
9 ms |
16720 KB |
Output is correct |
25 |
Correct |
9 ms |
16796 KB |
Output is correct |
26 |
Correct |
9 ms |
16724 KB |
Output is correct |
27 |
Correct |
9 ms |
16724 KB |
Output is correct |
28 |
Correct |
8 ms |
16724 KB |
Output is correct |
29 |
Correct |
10 ms |
16700 KB |
Output is correct |
30 |
Correct |
9 ms |
16852 KB |
Output is correct |
31 |
Correct |
10 ms |
16824 KB |
Output is correct |
32 |
Correct |
10 ms |
16900 KB |
Output is correct |
33 |
Correct |
10 ms |
16904 KB |
Output is correct |
34 |
Correct |
9 ms |
16980 KB |
Output is correct |
35 |
Correct |
11 ms |
17000 KB |
Output is correct |
36 |
Correct |
13 ms |
16980 KB |
Output is correct |
37 |
Correct |
12 ms |
17040 KB |
Output is correct |
38 |
Correct |
13 ms |
17236 KB |
Output is correct |
39 |
Correct |
12 ms |
17108 KB |
Output is correct |
40 |
Correct |
11 ms |
17672 KB |
Output is correct |
41 |
Correct |
10 ms |
17620 KB |
Output is correct |
42 |
Correct |
11 ms |
17052 KB |
Output is correct |
43 |
Correct |
11 ms |
17296 KB |
Output is correct |
44 |
Correct |
14 ms |
17296 KB |
Output is correct |
45 |
Correct |
11 ms |
17312 KB |
Output is correct |
46 |
Correct |
11 ms |
17172 KB |
Output is correct |
47 |
Correct |
11 ms |
17108 KB |
Output is correct |
48 |
Correct |
12 ms |
17076 KB |
Output is correct |
49 |
Correct |
11 ms |
17108 KB |
Output is correct |
50 |
Correct |
12 ms |
17064 KB |
Output is correct |
51 |
Correct |
10 ms |
16980 KB |
Output is correct |
52 |
Correct |
11 ms |
17108 KB |
Output is correct |
53 |
Correct |
11 ms |
17160 KB |
Output is correct |
54 |
Correct |
11 ms |
17108 KB |
Output is correct |
55 |
Correct |
15 ms |
17620 KB |
Output is correct |
56 |
Correct |
36 ms |
20172 KB |
Output is correct |
57 |
Correct |
63 ms |
22568 KB |
Output is correct |
58 |
Correct |
83 ms |
24220 KB |
Output is correct |
59 |
Correct |
117 ms |
26932 KB |
Output is correct |
60 |
Correct |
139 ms |
29200 KB |
Output is correct |
61 |
Correct |
158 ms |
31404 KB |
Output is correct |
62 |
Correct |
179 ms |
32808 KB |
Output is correct |
63 |
Correct |
217 ms |
35760 KB |
Output is correct |
64 |
Correct |
228 ms |
36688 KB |
Output is correct |
65 |
Correct |
113 ms |
75516 KB |
Output is correct |
66 |
Correct |
116 ms |
75620 KB |
Output is correct |
67 |
Correct |
111 ms |
33420 KB |
Output is correct |
68 |
Correct |
169 ms |
55820 KB |
Output is correct |
69 |
Correct |
198 ms |
52168 KB |
Output is correct |
70 |
Correct |
193 ms |
52292 KB |
Output is correct |
71 |
Correct |
195 ms |
45768 KB |
Output is correct |
72 |
Correct |
199 ms |
46256 KB |
Output is correct |
73 |
Correct |
179 ms |
42272 KB |
Output is correct |
74 |
Correct |
181 ms |
42416 KB |
Output is correct |
75 |
Correct |
181 ms |
41400 KB |
Output is correct |
76 |
Correct |
188 ms |
41580 KB |
Output is correct |
77 |
Correct |
192 ms |
41056 KB |
Output is correct |
78 |
Correct |
193 ms |
39064 KB |
Output is correct |
79 |
Correct |
181 ms |
40172 KB |
Output is correct |