#include <bits/stdc++.h>
using namespace std;
#define ll long long
void ri(auto &I){
char J = I = 0;
for(; J < 48; J=getchar_unlocked());
for(; J > 47; J=getchar_unlocked()) I = I * 10 + J - 48;
}
signed main(){
int N, M, K, u; ll res = 0;
cin >> N >> M >> K;
vector<int> g[N];
ll d[N] {}, w[N] {};
map<int, ll> dp[N];
for(int i = 1; i < N; i++)
ri(u), g[u-1].push_back(i);
while(M--)
ri(u), ri(d[u-1]), ri(w[u-1]);
for(u = N; --u >= 0; ) {
int h = 0;
for(int v : g[u])
if(size(dp[v]) > size(dp[h])) h = v;
dp[h].swap(dp[u]);
for(int v : g[u]) if(v != h)
for(auto &[i, j] : dp[v])
dp[u][i] += j;
dp[u][d[u]] += w[u];
auto f = dp[u].upper_bound(d[u]);
while(f != end(dp[u]) && (f->second -= w[u]) < 0)
w[u] = -f->second, f = dp[u].erase(f);
}
for(auto &[i, j] : dp[0]) res += j;
cout << res;
}
Compilation message
magictree.cpp:5:9: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
5 | void ri(auto &I){
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
54 ms |
20684 KB |
Output is correct |
2 |
Correct |
28 ms |
14284 KB |
Output is correct |
3 |
Correct |
92 ms |
34232 KB |
Output is correct |
4 |
Correct |
44 ms |
19256 KB |
Output is correct |
5 |
Correct |
62 ms |
18952 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
23 ms |
11948 KB |
Output is correct |
5 |
Correct |
50 ms |
15872 KB |
Output is correct |
6 |
Correct |
41 ms |
12068 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
37 ms |
14848 KB |
Output is correct |
2 |
Correct |
33 ms |
14084 KB |
Output is correct |
3 |
Correct |
24 ms |
12632 KB |
Output is correct |
4 |
Correct |
21 ms |
15500 KB |
Output is correct |
5 |
Correct |
19 ms |
11980 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
53 ms |
18880 KB |
Output is correct |
11 |
Correct |
46 ms |
17548 KB |
Output is correct |
12 |
Correct |
30 ms |
12620 KB |
Output is correct |
13 |
Correct |
21 ms |
15560 KB |
Output is correct |
14 |
Correct |
19 ms |
12024 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
3020 KB |
Output is correct |
2 |
Correct |
26 ms |
13780 KB |
Output is correct |
3 |
Correct |
24 ms |
13764 KB |
Output is correct |
4 |
Correct |
28 ms |
13848 KB |
Output is correct |
5 |
Correct |
15 ms |
15608 KB |
Output is correct |
6 |
Correct |
24 ms |
14024 KB |
Output is correct |
7 |
Correct |
18 ms |
12616 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
23 ms |
11948 KB |
Output is correct |
14 |
Correct |
50 ms |
15872 KB |
Output is correct |
15 |
Correct |
41 ms |
12068 KB |
Output is correct |
16 |
Correct |
53 ms |
18880 KB |
Output is correct |
17 |
Correct |
46 ms |
17548 KB |
Output is correct |
18 |
Correct |
30 ms |
12620 KB |
Output is correct |
19 |
Correct |
21 ms |
15560 KB |
Output is correct |
20 |
Correct |
19 ms |
12024 KB |
Output is correct |
21 |
Correct |
13 ms |
5676 KB |
Output is correct |
22 |
Correct |
69 ms |
22112 KB |
Output is correct |
23 |
Correct |
71 ms |
26284 KB |
Output is correct |
24 |
Correct |
108 ms |
35548 KB |
Output is correct |
25 |
Correct |
50 ms |
19232 KB |
Output is correct |
26 |
Correct |
71 ms |
18792 KB |
Output is correct |
27 |
Correct |
54 ms |
15004 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
54 ms |
20684 KB |
Output is correct |
11 |
Correct |
28 ms |
14284 KB |
Output is correct |
12 |
Correct |
92 ms |
34232 KB |
Output is correct |
13 |
Correct |
44 ms |
19256 KB |
Output is correct |
14 |
Correct |
62 ms |
18952 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
23 ms |
11948 KB |
Output is correct |
19 |
Correct |
50 ms |
15872 KB |
Output is correct |
20 |
Correct |
41 ms |
12068 KB |
Output is correct |
21 |
Correct |
37 ms |
14848 KB |
Output is correct |
22 |
Correct |
33 ms |
14084 KB |
Output is correct |
23 |
Correct |
24 ms |
12632 KB |
Output is correct |
24 |
Correct |
21 ms |
15500 KB |
Output is correct |
25 |
Correct |
19 ms |
11980 KB |
Output is correct |
26 |
Correct |
53 ms |
18880 KB |
Output is correct |
27 |
Correct |
46 ms |
17548 KB |
Output is correct |
28 |
Correct |
30 ms |
12620 KB |
Output is correct |
29 |
Correct |
21 ms |
15560 KB |
Output is correct |
30 |
Correct |
19 ms |
12024 KB |
Output is correct |
31 |
Correct |
5 ms |
3020 KB |
Output is correct |
32 |
Correct |
26 ms |
13780 KB |
Output is correct |
33 |
Correct |
24 ms |
13764 KB |
Output is correct |
34 |
Correct |
28 ms |
13848 KB |
Output is correct |
35 |
Correct |
15 ms |
15608 KB |
Output is correct |
36 |
Correct |
24 ms |
14024 KB |
Output is correct |
37 |
Correct |
18 ms |
12616 KB |
Output is correct |
38 |
Correct |
13 ms |
5676 KB |
Output is correct |
39 |
Correct |
69 ms |
22112 KB |
Output is correct |
40 |
Correct |
71 ms |
26284 KB |
Output is correct |
41 |
Correct |
108 ms |
35548 KB |
Output is correct |
42 |
Correct |
50 ms |
19232 KB |
Output is correct |
43 |
Correct |
71 ms |
18792 KB |
Output is correct |
44 |
Correct |
54 ms |
15004 KB |
Output is correct |
45 |
Correct |
12 ms |
5324 KB |
Output is correct |
46 |
Correct |
58 ms |
21132 KB |
Output is correct |
47 |
Correct |
69 ms |
24460 KB |
Output is correct |
48 |
Correct |
97 ms |
32020 KB |
Output is correct |
49 |
Correct |
46 ms |
19244 KB |
Output is correct |
50 |
Correct |
67 ms |
18152 KB |
Output is correct |
51 |
Correct |
56 ms |
14548 KB |
Output is correct |