#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);}();
return 0;
}
Compilation message
regions.cpp: In function 'int main()':
regions.cpp:28:15: warning: unused variable 'sqr' [-Wunused-variable]
28 | const int sqr=pow<double>(n,3.0/1.0)+1;
| ^~~
# |
Verdict |
Execution time |
Memory |
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 |
0 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 |
1 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 |
1 ms |
976 KB |
Unexpected end of file - int32 expected |
10 |
Incorrect |
2 ms |
1104 KB |
Unexpected end of file - int32 expected |
11 |
Incorrect |
4 ms |
1616 KB |
Unexpected end of file - int32 expected |
12 |
Incorrect |
5 ms |
2256 KB |
Unexpected end of file - int32 expected |
13 |
Incorrect |
6 ms |
2324 KB |
Unexpected end of file - int32 expected |
14 |
Incorrect |
7 ms |
2896 KB |
Unexpected end of file - int32 expected |
15 |
Incorrect |
9 ms |
6224 KB |
Unexpected end of file - int32 expected |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
17 ms |
7512 KB |
Unexpected end of file - int32 expected |
2 |
Incorrect |
20 ms |
7212 KB |
Unexpected end of file - int32 expected |
3 |
Incorrect |
27 ms |
9928 KB |
Unexpected end of file - int32 expected |
4 |
Incorrect |
7 ms |
3152 KB |
Unexpected end of file - int32 expected |
5 |
Incorrect |
9 ms |
5200 KB |
Unexpected end of file - int32 expected |
6 |
Incorrect |
13 ms |
5328 KB |
Unexpected end of file - int32 expected |
7 |
Incorrect |
18 ms |
6868 KB |
Unexpected end of file - int32 expected |
8 |
Incorrect |
24 ms |
13392 KB |
Unexpected end of file - int32 expected |
9 |
Incorrect |
54 ms |
14888 KB |
Unexpected end of file - int32 expected |
10 |
Incorrect |
45 ms |
21360 KB |
Unexpected end of file - int32 expected |
11 |
Incorrect |
54 ms |
18720 KB |
Unexpected end of file - int32 expected |
12 |
Incorrect |
78 ms |
17064 KB |
Unexpected end of file - int32 expected |
13 |
Incorrect |
56 ms |
18104 KB |
Unexpected end of file - int32 expected |
14 |
Incorrect |
75 ms |
18388 KB |
Unexpected end of file - int32 expected |
15 |
Incorrect |
57 ms |
22548 KB |
Unexpected end of file - int32 expected |
16 |
Incorrect |
56 ms |
29952 KB |
Unexpected end of file - int32 expected |
17 |
Incorrect |
56 ms |
28340 KB |
Unexpected end of file - int32 expected |