#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")
#include <bits/stdc++.h>
#include <string>
#include <iostream>
#include <cmath>
#include <numeric>
#include <stack>
#include <queue>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<ld, ld> pd;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<vector<int>> vvi;
typedef vector<vector<pi>> vvpi;
typedef vector<ld> vd;
typedef vector<long long> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
#define FOR(i, a, b) for (int i = a; i < (b); i++)
#define F0R(i, a) for (int i = 0; i < (a); i++)
#define FORd(i, a, b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i, a) for (int i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define len(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define F first
#define nl endl
#define S second
#define lb lower_bound
#define ub upper_bound
#define aint(x) x.begin(), x.end()
#define raint(x) x.rbegin(), x.rend()
#define ins insert
const int M = 1e9+7;
void init(string name)
{
freopen((name + ".in").c_str(), "r", stdin);
freopen((name + ".out").c_str(), "w", stdout);
}
void fastIO()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
}
int n,k;
vi paths[100010];
int type[100010];
int level[100010];
vi colors[100010];
int children[100010];
int children2[100010];
vi arr;
void dfs1(int pos,int height){
level[pos] = height;
for(int a:paths[pos]){
dfs1(a,height+1);
}
}
void dfs2(int pos,int color){
if(type[pos] == color){
arr.pb(pos);
return;
}
for(int a:paths[pos]){
dfs2(a,color);
}
}
void dfs(int pos,int head){
if(type[pos] == type[head]){
children2[pos] = 1;
}else{
children[level[pos]] ++;
}
for(int a:paths[pos]){
dfs(a,head);
}
}
void solve()
{
cin >> n >> k;
FOR(i,0,n)cin >> type[i];
FOR(i,0,n)colors[type[i]].pb(i);
FOR(i,1,n){
int a;cin >> a;
paths[a].pb(i);
}
dfs1(0,0);
FOR(i,0,k){
dfs2(0,i);
}
int ans = 0,cnt = 0;
for(int i:arr){
FOR(j,0,n){
children2[j] = 0;
children[j] = 0;
}
dfs(i,i);
int temp = 0,temp_cnt = 0;
for(int a:colors[type[i]]){
if(children2[a]){
temp += 1;
}else{
if(children[level[a]] > 0){
children[level[a]]--;
temp_cnt ++;
temp += 1;
}
}
}
// cout << colors[type[i]].size() << " " << i << " " << temp << " " << temp_cnt << endl;
if(ans < temp){
ans = temp;
cnt = temp_cnt;
}else if(ans == temp){
cnt = min(cnt,temp_cnt);
}
}
cout << ans << " " << cnt << endl;
}
int main()
{
fastIO();
// init("test");
int t = 1;
// cin >> t;
while (t--)
solve();
return 0;
}
Compilation message
Main.cpp: In function 'void init(std::string)':
Main.cpp:44:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
44 | freopen((name + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:45:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
45 | freopen((name + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
2 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
2 ms |
6684 KB |
Output is correct |
9 |
Execution timed out |
4100 ms |
14100 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
6488 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
2 ms |
6488 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
16 ms |
12760 KB |
Output is correct |
6 |
Correct |
2 ms |
6492 KB |
Output is correct |
7 |
Correct |
3 ms |
6504 KB |
Output is correct |
8 |
Correct |
3706 ms |
9908 KB |
Output is correct |
9 |
Correct |
2 ms |
6492 KB |
Output is correct |
10 |
Correct |
2 ms |
6492 KB |
Output is correct |
11 |
Correct |
2528 ms |
11160 KB |
Output is correct |
12 |
Execution timed out |
4045 ms |
8420 KB |
Time limit exceeded |
13 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
2 ms |
6472 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Execution timed out |
4100 ms |
14000 KB |
Time limit exceeded |
9 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
6488 KB |
Output is correct |
2 |
Correct |
2 ms |
6488 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
2 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
2 ms |
6572 KB |
Output is correct |
9 |
Correct |
2 ms |
6492 KB |
Output is correct |
10 |
Correct |
2 ms |
6628 KB |
Output is correct |
11 |
Correct |
2 ms |
6492 KB |
Output is correct |
12 |
Correct |
18 ms |
6492 KB |
Output is correct |
13 |
Correct |
2 ms |
6492 KB |
Output is correct |
14 |
Correct |
5 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
3 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
6492 KB |
Output is correct |
18 |
Correct |
1 ms |
6492 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
2 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
6492 KB |
Output is correct |
22 |
Correct |
2 ms |
6492 KB |
Output is correct |
23 |
Correct |
9 ms |
6492 KB |
Output is correct |
24 |
Correct |
6 ms |
6492 KB |
Output is correct |
25 |
Correct |
10 ms |
6636 KB |
Output is correct |
26 |
Correct |
13 ms |
6492 KB |
Output is correct |
27 |
Correct |
20 ms |
6696 KB |
Output is correct |
28 |
Correct |
9 ms |
6488 KB |
Output is correct |
29 |
Correct |
13 ms |
6636 KB |
Output is correct |
30 |
Correct |
21 ms |
6672 KB |
Output is correct |
31 |
Correct |
4 ms |
6744 KB |
Output is correct |
32 |
Correct |
3 ms |
6492 KB |
Output is correct |
33 |
Correct |
3 ms |
6492 KB |
Output is correct |
34 |
Correct |
8 ms |
6492 KB |
Output is correct |
35 |
Correct |
13 ms |
6492 KB |
Output is correct |
36 |
Correct |
2 ms |
6492 KB |
Output is correct |
37 |
Correct |
9 ms |
6492 KB |
Output is correct |
38 |
Correct |
2 ms |
6492 KB |
Output is correct |
39 |
Correct |
1 ms |
6492 KB |
Output is correct |
40 |
Correct |
1 ms |
6492 KB |
Output is correct |
41 |
Correct |
2 ms |
6536 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
2 ms |
6492 KB |
Output is correct |
5 |
Correct |
2 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
2 ms |
6684 KB |
Output is correct |
9 |
Execution timed out |
4100 ms |
14100 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |