#include<bits/stdc++.h>
#define cir(i,a,b) for(int i=a;i<b;++i)
using namespace std;
using lint=long long;
using VI=vector<int>;
using VL=vector<lint>;
vector<VI> G;vector<VL> cx;
VI tin,tout,w,col;
void dfs(int u,int&cnx,int f=0){
tin[u]=cnx++;
for(auto&i:G[u]) if(i!=f) dfs(i,cnx,u);
tout[u]=cnx;
}
bool isancestor(int u,int v){
return tin[u]<=tin[v]&&tout[v]<=tout[u];
}
void dfsx(int u,int ci,int wx=0,int f=0){
w[u]=(wx+=(col[u]==ci));
for(auto&i:G[u]) if(i!=f) dfsx(i,ci,wx,u);
}
void init(int n){
G.resize(n+1);tin.resize(n+1);col.resize(n+1);
tout.resize(n+1);w.resize(n+1);
}
int main(){
ios::sync_with_stdio(false),cin.tie(0);
int n,r,q;cin>>n>>r>>q;init(n);
const int sqr=pow<double>(n,3.0/1.0)+1;
VL cnx(r+1),idx(n+1);
vector<VI> ci(r+1);
cin>>col[1];cnx[col[1]]++;ci[col[1]].push_back(1);
cir(i,2,n+1){
int f;cin>>f>>col[i];cnx[col[i]]++;
G[f].push_back(i);G[i].push_back(f);
ci[col[i]].push_back(i);
}
[&](){int ncnx=0;dfs(1,ncnx);}();
cir(i,1,r+1) if(cnx[i]>sqr){
idx[i]=cx.size();
fill(w.begin(),w.end(),0);
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
208 KB |
Unexpected end of file - int32 expected |
2 |
Incorrect |
0 ms |
208 KB |
Unexpected end of file - int32 expected |
3 |
Incorrect |
1 ms |
208 KB |
Unexpected end of file - int32 expected |
4 |
Incorrect |
0 ms |
208 KB |
Unexpected end of file - int32 expected |
5 |
Incorrect |
0 ms |
336 KB |
Unexpected end of file - int32 expected |
6 |
Incorrect |
0 ms |
336 KB |
Unexpected end of file - int32 expected |
7 |
Incorrect |
1 ms |
336 KB |
Unexpected end of file - int32 expected |
8 |
Incorrect |
1 ms |
464 KB |
Unexpected end of file - int32 expected |
9 |
Incorrect |
2 ms |
976 KB |
Unexpected end of file - int32 expected |
10 |
Incorrect |
3 ms |
1104 KB |
Unexpected end of file - int32 expected |
11 |
Incorrect |
5 ms |
1612 KB |
Unexpected end of file - int32 expected |
12 |
Incorrect |
5 ms |
2256 KB |
Unexpected end of file - int32 expected |
13 |
Incorrect |
9 ms |
2404 KB |
Unexpected end of file - int32 expected |
14 |
Incorrect |
9 ms |
2856 KB |
Unexpected end of file - int32 expected |
15 |
Incorrect |
10 ms |
6252 KB |
Unexpected end of file - int32 expected |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
17 ms |
7504 KB |
Unexpected end of file - int32 expected |
2 |
Incorrect |
24 ms |
7124 KB |
Unexpected end of file - int32 expected |
3 |
Incorrect |
20 ms |
9984 KB |
Unexpected end of file - int32 expected |
4 |
Incorrect |
12 ms |
3168 KB |
Unexpected end of file - int32 expected |
5 |
Incorrect |
17 ms |
5232 KB |
Unexpected end of file - int32 expected |
6 |
Incorrect |
27 ms |
5328 KB |
Unexpected end of file - int32 expected |
7 |
Incorrect |
46 ms |
6888 KB |
Unexpected end of file - int32 expected |
8 |
Incorrect |
66 ms |
13468 KB |
Unexpected end of file - int32 expected |
9 |
Incorrect |
155 ms |
14920 KB |
Unexpected end of file - int32 expected |
10 |
Incorrect |
285 ms |
21424 KB |
Unexpected end of file - int32 expected |
11 |
Incorrect |
331 ms |
18780 KB |
Unexpected end of file - int32 expected |
12 |
Incorrect |
220 ms |
16996 KB |
Unexpected end of file - int32 expected |
13 |
Incorrect |
228 ms |
18000 KB |
Unexpected end of file - int32 expected |
14 |
Incorrect |
285 ms |
18412 KB |
Unexpected end of file - int32 expected |
15 |
Incorrect |
367 ms |
22660 KB |
Unexpected end of file - int32 expected |
16 |
Incorrect |
338 ms |
30096 KB |
Unexpected end of file - int32 expected |
17 |
Incorrect |
280 ms |
28372 KB |
Unexpected end of file - int32 expected |