#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
const int N = 1e5 + 5;
int n, m, k;
int a[N], c[N];
vector<int> g[N];
map<int, long long> mp[N];
void dfs(int u) {
for (auto v : g[u]) {
dfs(v);
if (mp[u].size() < mp[v].size()) {
mp[u].swap(mp[v]);
}
for (auto [x, y] : mp[v]) {
mp[u][x] += y;
}
}
mp[u][a[u]] += c[u];
for (auto it = mp[u].upper_bound(a[u]); it != mp[u].end(); it = mp[u].erase(it)) {
auto &cnt = (*it).second;
long long k = min(cnt, (long long) c[u]);
c[u] -= k;
cnt -= k;
if (cnt) {
break;
}
}
}
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
cin >> n >> m >> k;
for (int i = 2; i <= n; ++i) {
int p; cin >> p;
g[p].push_back(i);
}
while (m--) {
int v, d, w; cin >> v >> d >> w;
tie(a[v], c[v]) = tie(d, w);
}
dfs(1);
long long res = 0;
for (auto x : mp[1]) {
res += x.second;
}
cout << res;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
7260 KB |
Output is correct |
2 |
Correct |
3 ms |
7260 KB |
Output is correct |
3 |
Correct |
3 ms |
7516 KB |
Output is correct |
4 |
Correct |
4 ms |
7308 KB |
Output is correct |
5 |
Correct |
4 ms |
7260 KB |
Output is correct |
6 |
Correct |
3 ms |
7516 KB |
Output is correct |
7 |
Correct |
3 ms |
7260 KB |
Output is correct |
8 |
Correct |
3 ms |
7260 KB |
Output is correct |
9 |
Correct |
3 ms |
7260 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
56 ms |
21076 KB |
Output is correct |
2 |
Correct |
49 ms |
20052 KB |
Output is correct |
3 |
Correct |
115 ms |
37308 KB |
Output is correct |
4 |
Correct |
55 ms |
20684 KB |
Output is correct |
5 |
Correct |
77 ms |
21956 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
7516 KB |
Output is correct |
2 |
Correct |
3 ms |
7664 KB |
Output is correct |
3 |
Correct |
5 ms |
7644 KB |
Output is correct |
4 |
Correct |
36 ms |
27228 KB |
Output is correct |
5 |
Correct |
58 ms |
31176 KB |
Output is correct |
6 |
Correct |
51 ms |
27416 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
40 ms |
16212 KB |
Output is correct |
2 |
Correct |
45 ms |
15444 KB |
Output is correct |
3 |
Correct |
40 ms |
19540 KB |
Output is correct |
4 |
Correct |
28 ms |
16600 KB |
Output is correct |
5 |
Correct |
35 ms |
27484 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
7260 KB |
Output is correct |
2 |
Correct |
3 ms |
7260 KB |
Output is correct |
3 |
Correct |
3 ms |
7516 KB |
Output is correct |
4 |
Correct |
4 ms |
7308 KB |
Output is correct |
5 |
Correct |
4 ms |
7260 KB |
Output is correct |
6 |
Correct |
3 ms |
7516 KB |
Output is correct |
7 |
Correct |
3 ms |
7260 KB |
Output is correct |
8 |
Correct |
3 ms |
7260 KB |
Output is correct |
9 |
Correct |
3 ms |
7260 KB |
Output is correct |
10 |
Correct |
47 ms |
18516 KB |
Output is correct |
11 |
Correct |
54 ms |
17568 KB |
Output is correct |
12 |
Correct |
33 ms |
19036 KB |
Output is correct |
13 |
Correct |
26 ms |
15832 KB |
Output is correct |
14 |
Correct |
34 ms |
26972 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
8908 KB |
Output is correct |
2 |
Correct |
24 ms |
13612 KB |
Output is correct |
3 |
Correct |
22 ms |
13648 KB |
Output is correct |
4 |
Correct |
24 ms |
13648 KB |
Output is correct |
5 |
Correct |
14 ms |
15068 KB |
Output is correct |
6 |
Correct |
24 ms |
16696 KB |
Output is correct |
7 |
Correct |
20 ms |
18268 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
7260 KB |
Output is correct |
2 |
Correct |
3 ms |
7260 KB |
Output is correct |
3 |
Correct |
3 ms |
7516 KB |
Output is correct |
4 |
Correct |
4 ms |
7308 KB |
Output is correct |
5 |
Correct |
4 ms |
7260 KB |
Output is correct |
6 |
Correct |
3 ms |
7516 KB |
Output is correct |
7 |
Correct |
3 ms |
7260 KB |
Output is correct |
8 |
Correct |
3 ms |
7260 KB |
Output is correct |
9 |
Correct |
3 ms |
7260 KB |
Output is correct |
10 |
Correct |
3 ms |
7516 KB |
Output is correct |
11 |
Correct |
3 ms |
7664 KB |
Output is correct |
12 |
Correct |
5 ms |
7644 KB |
Output is correct |
13 |
Correct |
36 ms |
27228 KB |
Output is correct |
14 |
Correct |
58 ms |
31176 KB |
Output is correct |
15 |
Correct |
51 ms |
27416 KB |
Output is correct |
16 |
Correct |
47 ms |
18516 KB |
Output is correct |
17 |
Correct |
54 ms |
17568 KB |
Output is correct |
18 |
Correct |
33 ms |
19036 KB |
Output is correct |
19 |
Correct |
26 ms |
15832 KB |
Output is correct |
20 |
Correct |
34 ms |
26972 KB |
Output is correct |
21 |
Correct |
14 ms |
11000 KB |
Output is correct |
22 |
Correct |
52 ms |
21060 KB |
Output is correct |
23 |
Correct |
60 ms |
24404 KB |
Output is correct |
24 |
Correct |
87 ms |
31056 KB |
Output is correct |
25 |
Correct |
49 ms |
19924 KB |
Output is correct |
26 |
Correct |
67 ms |
21840 KB |
Output is correct |
27 |
Correct |
55 ms |
20820 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
7260 KB |
Output is correct |
2 |
Correct |
3 ms |
7260 KB |
Output is correct |
3 |
Correct |
3 ms |
7516 KB |
Output is correct |
4 |
Correct |
4 ms |
7308 KB |
Output is correct |
5 |
Correct |
4 ms |
7260 KB |
Output is correct |
6 |
Correct |
3 ms |
7516 KB |
Output is correct |
7 |
Correct |
3 ms |
7260 KB |
Output is correct |
8 |
Correct |
3 ms |
7260 KB |
Output is correct |
9 |
Correct |
3 ms |
7260 KB |
Output is correct |
10 |
Correct |
56 ms |
21076 KB |
Output is correct |
11 |
Correct |
49 ms |
20052 KB |
Output is correct |
12 |
Correct |
115 ms |
37308 KB |
Output is correct |
13 |
Correct |
55 ms |
20684 KB |
Output is correct |
14 |
Correct |
77 ms |
21956 KB |
Output is correct |
15 |
Correct |
3 ms |
7516 KB |
Output is correct |
16 |
Correct |
3 ms |
7664 KB |
Output is correct |
17 |
Correct |
5 ms |
7644 KB |
Output is correct |
18 |
Correct |
36 ms |
27228 KB |
Output is correct |
19 |
Correct |
58 ms |
31176 KB |
Output is correct |
20 |
Correct |
51 ms |
27416 KB |
Output is correct |
21 |
Correct |
40 ms |
16212 KB |
Output is correct |
22 |
Correct |
45 ms |
15444 KB |
Output is correct |
23 |
Correct |
40 ms |
19540 KB |
Output is correct |
24 |
Correct |
28 ms |
16600 KB |
Output is correct |
25 |
Correct |
35 ms |
27484 KB |
Output is correct |
26 |
Correct |
47 ms |
18516 KB |
Output is correct |
27 |
Correct |
54 ms |
17568 KB |
Output is correct |
28 |
Correct |
33 ms |
19036 KB |
Output is correct |
29 |
Correct |
26 ms |
15832 KB |
Output is correct |
30 |
Correct |
34 ms |
26972 KB |
Output is correct |
31 |
Correct |
8 ms |
8908 KB |
Output is correct |
32 |
Correct |
24 ms |
13612 KB |
Output is correct |
33 |
Correct |
22 ms |
13648 KB |
Output is correct |
34 |
Correct |
24 ms |
13648 KB |
Output is correct |
35 |
Correct |
14 ms |
15068 KB |
Output is correct |
36 |
Correct |
24 ms |
16696 KB |
Output is correct |
37 |
Correct |
20 ms |
18268 KB |
Output is correct |
38 |
Correct |
14 ms |
11000 KB |
Output is correct |
39 |
Correct |
52 ms |
21060 KB |
Output is correct |
40 |
Correct |
60 ms |
24404 KB |
Output is correct |
41 |
Correct |
87 ms |
31056 KB |
Output is correct |
42 |
Correct |
49 ms |
19924 KB |
Output is correct |
43 |
Correct |
67 ms |
21840 KB |
Output is correct |
44 |
Correct |
55 ms |
20820 KB |
Output is correct |
45 |
Correct |
15 ms |
11352 KB |
Output is correct |
46 |
Correct |
53 ms |
22100 KB |
Output is correct |
47 |
Correct |
70 ms |
25680 KB |
Output is correct |
48 |
Correct |
91 ms |
34220 KB |
Output is correct |
49 |
Correct |
54 ms |
20692 KB |
Output is correct |
50 |
Correct |
66 ms |
22864 KB |
Output is correct |
51 |
Correct |
54 ms |
21848 KB |
Output is correct |