#include "catdog.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[100001];
bool ss = 0;
void initialize(int N,vector<int> A,vector<int> B){
if(N==1)ss = 1;
for(int i = 0;i<N-1;i++){
adj[A[i]].push_back(B[i]);
adj[B[i]].push_back(A[i]);
}
}
int R[100001],B[100001];
int col[100001];
void solve(int i,int pr){
R[i] = 0;B[i] = 0;
for(auto j:adj[i]){
if(j==pr)continue;
solve(j,i);
R[i] += min(R[j],B[j]+1);
B[i] += min(R[j]+1,B[j]);
}
if(col[i]==1){
B[i] = 1e9;
}if(col[i]==2){
R[i] = 1e9;
}
}
int cat(int v){
if(ss)return 0;
col[v] = 1;
solve(1,0);
return min(R[1],B[1]);
}int dog(int v){
if(ss)return 0;
col[v] = 2;
solve(1,0);
return min(R[1],B[1]);
}int neighbor(int v){
if(ss)return 0;
col[v] = 0;
solve(1,0);
return min(R[1],B[1]);
}/*
int main(){
int N = 5;vector<int>A = {1,2,2,4};
vector<int> BB = {2,3,4,5};
initialize(N,A,BB);
cout<<cat(3)<<endl;
cout<<dog(5)<<endl;
cout<<dog(1)<<endl;
cout<<cat(2)<<endl;
cout<<neighbor(2)<<endl;
}
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Correct |
1 ms |
2644 KB |
Output is correct |
5 |
Correct |
1 ms |
2644 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Correct |
1 ms |
2656 KB |
Output is correct |
8 |
Correct |
1 ms |
2644 KB |
Output is correct |
9 |
Correct |
1 ms |
2644 KB |
Output is correct |
10 |
Correct |
1 ms |
2656 KB |
Output is correct |
11 |
Correct |
2 ms |
2644 KB |
Output is correct |
12 |
Correct |
1 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
1 ms |
2644 KB |
Output is correct |
15 |
Correct |
1 ms |
2644 KB |
Output is correct |
16 |
Correct |
1 ms |
2644 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Correct |
1 ms |
2644 KB |
Output is correct |
5 |
Correct |
1 ms |
2644 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Correct |
1 ms |
2656 KB |
Output is correct |
8 |
Correct |
1 ms |
2644 KB |
Output is correct |
9 |
Correct |
1 ms |
2644 KB |
Output is correct |
10 |
Correct |
1 ms |
2656 KB |
Output is correct |
11 |
Correct |
2 ms |
2644 KB |
Output is correct |
12 |
Correct |
1 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
1 ms |
2644 KB |
Output is correct |
15 |
Correct |
1 ms |
2644 KB |
Output is correct |
16 |
Correct |
1 ms |
2644 KB |
Output is correct |
17 |
Correct |
6 ms |
2668 KB |
Output is correct |
18 |
Correct |
8 ms |
2664 KB |
Output is correct |
19 |
Correct |
5 ms |
2716 KB |
Output is correct |
20 |
Correct |
1 ms |
2644 KB |
Output is correct |
21 |
Correct |
2 ms |
2644 KB |
Output is correct |
22 |
Correct |
3 ms |
2644 KB |
Output is correct |
23 |
Correct |
9 ms |
2724 KB |
Output is correct |
24 |
Correct |
7 ms |
2716 KB |
Output is correct |
25 |
Correct |
4 ms |
2656 KB |
Output is correct |
26 |
Correct |
2 ms |
2660 KB |
Output is correct |
27 |
Correct |
2 ms |
2644 KB |
Output is correct |
28 |
Correct |
3 ms |
2644 KB |
Output is correct |
29 |
Correct |
10 ms |
2772 KB |
Output is correct |
30 |
Correct |
2 ms |
2652 KB |
Output is correct |
31 |
Correct |
2 ms |
2644 KB |
Output is correct |
32 |
Correct |
4 ms |
2660 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Correct |
1 ms |
2644 KB |
Output is correct |
5 |
Correct |
1 ms |
2644 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Correct |
1 ms |
2656 KB |
Output is correct |
8 |
Correct |
1 ms |
2644 KB |
Output is correct |
9 |
Correct |
1 ms |
2644 KB |
Output is correct |
10 |
Correct |
1 ms |
2656 KB |
Output is correct |
11 |
Correct |
2 ms |
2644 KB |
Output is correct |
12 |
Correct |
1 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
1 ms |
2644 KB |
Output is correct |
15 |
Correct |
1 ms |
2644 KB |
Output is correct |
16 |
Correct |
1 ms |
2644 KB |
Output is correct |
17 |
Correct |
6 ms |
2668 KB |
Output is correct |
18 |
Correct |
8 ms |
2664 KB |
Output is correct |
19 |
Correct |
5 ms |
2716 KB |
Output is correct |
20 |
Correct |
1 ms |
2644 KB |
Output is correct |
21 |
Correct |
2 ms |
2644 KB |
Output is correct |
22 |
Correct |
3 ms |
2644 KB |
Output is correct |
23 |
Correct |
9 ms |
2724 KB |
Output is correct |
24 |
Correct |
7 ms |
2716 KB |
Output is correct |
25 |
Correct |
4 ms |
2656 KB |
Output is correct |
26 |
Correct |
2 ms |
2660 KB |
Output is correct |
27 |
Correct |
2 ms |
2644 KB |
Output is correct |
28 |
Correct |
3 ms |
2644 KB |
Output is correct |
29 |
Correct |
10 ms |
2772 KB |
Output is correct |
30 |
Correct |
2 ms |
2652 KB |
Output is correct |
31 |
Correct |
2 ms |
2644 KB |
Output is correct |
32 |
Correct |
4 ms |
2660 KB |
Output is correct |
33 |
Execution timed out |
3066 ms |
7212 KB |
Time limit exceeded |
34 |
Halted |
0 ms |
0 KB |
- |