#include <iostream>
#include <vector>
#include <queue>
using namespace std;
using pii = pair<int, int>;
const int MAXN = 1e5 + 5, MAXL = 2000;
pii ans = {-1, MAXN};
vector<int> g[MAXN], a[MAXN], se[MAXN];
int n, k, tot, dfn[MAXN], b[MAXN], co[MAXN], dep[MAXN], cnt[MAXN];
void init(int u) {
b[u] = dfn[u] = ++tot;
for (auto v : g[u]) {
dep[v] = dep[u] + 1;
init(v), b[u] = b[v];
}
}
void Max(int c, int k) {
if (ans.first < c || (c == ans.first && ans.second > k)) {
ans = {c, k};
}
}
void dfs(int u) {
for (auto v : g[u]) {
dfs(v);
if (a[u].size() < a[v].size()) {
swap(a[u], a[v]);
}
for (int i = a[v].size() - 1, j = a[u].size() - 1; i >= 0; i--, j--) {
a[u][j] += a[v][i];
}
}
a[u].push_back(1);
if (se[co[u]].size() <= MAXL) {
int c = 0, k = 0;
for (auto v : se[co[u]]) {
int d = a[u].size() - 1 - (dep[v] - dep[u]);
k += (dfn[v] >= dfn[u] && dfn[v] <= b[u]);
if (d >= 0 && d < a[u].size() && cnt[d] < a[u][d]) {
cnt[d]++, c++;
}
}
Max(c, c - k);
for (auto v : se[co[u]]) {
int d = a[u].size() - 1 - (dep[v] - dep[u]);
if (d >= 0 && d < a[u].size()) cnt[d] = 0;
}
}
}
void Dfs(int u, int co) {
}
int main() {
ios::sync_with_stdio(0), cin.tie(0);
cin >> n >> k;
for (int i = 0; i < n; i++) {
cin >> co[i], se[co[i]].push_back(i);
}
for (int i = 1, fa; i < n; i++) {
cin >> fa, g[fa].push_back(i);
}
init(0), dfs(0);
for (int i = 1; i <= k; i++) {
if (se[i].size() > MAXL) {
}
}
cout << ans.first << ' ' << ans.second;
return 0;
}
Compilation message
Main.cpp: In function 'void dfs(int)':
Main.cpp:44:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
44 | if (d >= 0 && d < a[u].size() && cnt[d] < a[u][d]) {
| ~~^~~~~~~~~~~~~
Main.cpp:51:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
51 | if (d >= 0 && d < a[u].size()) cnt[d] = 0;
| ~~^~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
7516 KB |
Output is correct |
2 |
Correct |
3 ms |
7512 KB |
Output is correct |
3 |
Correct |
3 ms |
7516 KB |
Output is correct |
4 |
Correct |
3 ms |
7516 KB |
Output is correct |
5 |
Correct |
3 ms |
7516 KB |
Output is correct |
6 |
Correct |
3 ms |
7516 KB |
Output is correct |
7 |
Correct |
3 ms |
7352 KB |
Output is correct |
8 |
Correct |
4 ms |
7772 KB |
Output is correct |
9 |
Correct |
38 ms |
26292 KB |
Output is correct |
10 |
Correct |
3 ms |
7516 KB |
Output is correct |
11 |
Correct |
9 ms |
7768 KB |
Output is correct |
12 |
Incorrect |
25 ms |
24752 KB |
Output isn't correct |
13 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
7516 KB |
Output is correct |
2 |
Correct |
3 ms |
7516 KB |
Output is correct |
3 |
Correct |
3 ms |
7516 KB |
Output is correct |
4 |
Correct |
8 ms |
7876 KB |
Output is correct |
5 |
Incorrect |
26 ms |
24844 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
7516 KB |
Output is correct |
2 |
Correct |
3 ms |
7520 KB |
Output is correct |
3 |
Correct |
3 ms |
7516 KB |
Output is correct |
4 |
Correct |
3 ms |
7512 KB |
Output is correct |
5 |
Correct |
3 ms |
7516 KB |
Output is correct |
6 |
Correct |
3 ms |
7516 KB |
Output is correct |
7 |
Correct |
3 ms |
7516 KB |
Output is correct |
8 |
Correct |
40 ms |
26240 KB |
Output is correct |
9 |
Correct |
3 ms |
7516 KB |
Output is correct |
10 |
Correct |
3 ms |
7772 KB |
Output is correct |
11 |
Correct |
40 ms |
26576 KB |
Output is correct |
12 |
Correct |
3 ms |
7512 KB |
Output is correct |
13 |
Correct |
3 ms |
7516 KB |
Output is correct |
14 |
Correct |
3 ms |
7516 KB |
Output is correct |
15 |
Correct |
3 ms |
7432 KB |
Output is correct |
16 |
Correct |
4 ms |
7516 KB |
Output is correct |
17 |
Correct |
4 ms |
7516 KB |
Output is correct |
18 |
Correct |
59 ms |
14840 KB |
Output is correct |
19 |
Correct |
50 ms |
13660 KB |
Output is correct |
20 |
Correct |
54 ms |
15596 KB |
Output is correct |
21 |
Correct |
57 ms |
13140 KB |
Output is correct |
22 |
Correct |
52 ms |
14416 KB |
Output is correct |
23 |
Correct |
43 ms |
19920 KB |
Output is correct |
24 |
Correct |
44 ms |
17416 KB |
Output is correct |
25 |
Correct |
3 ms |
7512 KB |
Output is correct |
26 |
Correct |
4 ms |
7772 KB |
Output is correct |
27 |
Correct |
3 ms |
7588 KB |
Output is correct |
28 |
Correct |
3 ms |
7516 KB |
Output is correct |
29 |
Correct |
6 ms |
8196 KB |
Output is correct |
30 |
Correct |
50 ms |
13628 KB |
Output is correct |
31 |
Correct |
45 ms |
14164 KB |
Output is correct |
32 |
Correct |
51 ms |
16472 KB |
Output is correct |
33 |
Correct |
47 ms |
14064 KB |
Output is correct |
34 |
Correct |
3 ms |
7512 KB |
Output is correct |
35 |
Correct |
3 ms |
7516 KB |
Output is correct |
36 |
Correct |
3 ms |
7516 KB |
Output is correct |
37 |
Correct |
3 ms |
7516 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
7516 KB |
Output is correct |
2 |
Correct |
3 ms |
7516 KB |
Output is correct |
3 |
Correct |
3 ms |
7516 KB |
Output is correct |
4 |
Correct |
3 ms |
7516 KB |
Output is correct |
5 |
Correct |
3 ms |
7516 KB |
Output is correct |
6 |
Correct |
3 ms |
7516 KB |
Output is correct |
7 |
Correct |
3 ms |
7516 KB |
Output is correct |
8 |
Correct |
4 ms |
7772 KB |
Output is correct |
9 |
Correct |
3 ms |
7516 KB |
Output is correct |
10 |
Correct |
9 ms |
7692 KB |
Output is correct |
11 |
Correct |
3 ms |
7512 KB |
Output is correct |
12 |
Correct |
4 ms |
7772 KB |
Output is correct |
13 |
Correct |
3 ms |
7532 KB |
Output is correct |
14 |
Correct |
15 ms |
7516 KB |
Output is correct |
15 |
Correct |
3 ms |
7516 KB |
Output is correct |
16 |
Correct |
10 ms |
7676 KB |
Output is correct |
17 |
Correct |
3 ms |
7516 KB |
Output is correct |
18 |
Correct |
3 ms |
7516 KB |
Output is correct |
19 |
Correct |
3 ms |
7344 KB |
Output is correct |
20 |
Correct |
27 ms |
7620 KB |
Output is correct |
21 |
Correct |
3 ms |
7516 KB |
Output is correct |
22 |
Correct |
3 ms |
7528 KB |
Output is correct |
23 |
Correct |
4 ms |
7516 KB |
Output is correct |
24 |
Correct |
4 ms |
7524 KB |
Output is correct |
25 |
Correct |
3 ms |
7516 KB |
Output is correct |
26 |
Correct |
3 ms |
7516 KB |
Output is correct |
27 |
Correct |
4 ms |
7772 KB |
Output is correct |
28 |
Correct |
5 ms |
7516 KB |
Output is correct |
29 |
Correct |
4 ms |
7512 KB |
Output is correct |
30 |
Correct |
7 ms |
7720 KB |
Output is correct |
31 |
Correct |
5 ms |
7572 KB |
Output is correct |
32 |
Correct |
15 ms |
7624 KB |
Output is correct |
33 |
Correct |
4 ms |
7516 KB |
Output is correct |
34 |
Correct |
7 ms |
7516 KB |
Output is correct |
35 |
Correct |
6 ms |
7644 KB |
Output is correct |
36 |
Correct |
6 ms |
7516 KB |
Output is correct |
37 |
Correct |
21 ms |
7516 KB |
Output is correct |
38 |
Correct |
3 ms |
7512 KB |
Output is correct |
39 |
Correct |
3 ms |
7288 KB |
Output is correct |
40 |
Correct |
3 ms |
7512 KB |
Output is correct |
41 |
Correct |
3 ms |
7444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
7516 KB |
Output is correct |
2 |
Correct |
3 ms |
7512 KB |
Output is correct |
3 |
Correct |
3 ms |
7516 KB |
Output is correct |
4 |
Correct |
3 ms |
7516 KB |
Output is correct |
5 |
Correct |
3 ms |
7516 KB |
Output is correct |
6 |
Correct |
3 ms |
7516 KB |
Output is correct |
7 |
Correct |
3 ms |
7352 KB |
Output is correct |
8 |
Correct |
4 ms |
7772 KB |
Output is correct |
9 |
Correct |
38 ms |
26292 KB |
Output is correct |
10 |
Correct |
3 ms |
7516 KB |
Output is correct |
11 |
Correct |
9 ms |
7768 KB |
Output is correct |
12 |
Incorrect |
25 ms |
24752 KB |
Output isn't correct |
13 |
Halted |
0 ms |
0 KB |
- |