#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();cx.push_back(VL(r+1));
fill(w.begin(),w.end(),0);
dfsx(1,i);
cir(j,1,n+1) cx[idx[i]][col[j]]+=w[j];
}
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 |
0 ms |
208 KB |
Unexpected end of file - int32 expected |
4 |
Incorrect |
0 ms |
208 KB |
Unexpected end of file - int32 expected |
5 |
Incorrect |
1 ms |
336 KB |
Unexpected end of file - int32 expected |
6 |
Incorrect |
0 ms |
336 KB |
Unexpected end of file - int32 expected |
7 |
Incorrect |
3 ms |
592 KB |
Unexpected end of file - int32 expected |
8 |
Incorrect |
5 ms |
720 KB |
Unexpected end of file - int32 expected |
9 |
Incorrect |
14 ms |
1744 KB |
Unexpected end of file - int32 expected |
10 |
Incorrect |
71 ms |
2584 KB |
Unexpected end of file - int32 expected |
11 |
Incorrect |
77 ms |
2120 KB |
Unexpected end of file - int32 expected |
12 |
Incorrect |
147 ms |
3916 KB |
Unexpected end of file - int32 expected |
13 |
Incorrect |
172 ms |
3312 KB |
Unexpected end of file - int32 expected |
14 |
Incorrect |
139 ms |
3200 KB |
Unexpected end of file - int32 expected |
15 |
Incorrect |
91 ms |
6608 KB |
Unexpected end of file - int32 expected |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
283 ms |
7744 KB |
Unexpected end of file - int32 expected |
2 |
Incorrect |
343 ms |
7564 KB |
Unexpected end of file - int32 expected |
3 |
Incorrect |
250 ms |
10524 KB |
Unexpected end of file - int32 expected |
4 |
Incorrect |
2509 ms |
128720 KB |
Unexpected end of file - int32 expected |
5 |
Runtime error |
1389 ms |
131072 KB |
Execution killed with signal 9 |
6 |
Runtime error |
2569 ms |
131072 KB |
Execution killed with signal 9 |
7 |
Runtime error |
2573 ms |
131072 KB |
Execution killed with signal 9 |
8 |
Runtime error |
1714 ms |
131072 KB |
Execution killed with signal 9 |
9 |
Runtime error |
3580 ms |
131072 KB |
Execution killed with signal 9 |
10 |
Runtime error |
1557 ms |
131072 KB |
Execution killed with signal 9 |
11 |
Runtime error |
3405 ms |
131072 KB |
Execution killed with signal 9 |
12 |
Runtime error |
7598 ms |
131072 KB |
Execution killed with signal 9 |
13 |
Runtime error |
5045 ms |
131072 KB |
Execution killed with signal 9 |
14 |
Runtime error |
5729 ms |
131072 KB |
Execution killed with signal 9 |
15 |
Runtime error |
2654 ms |
131072 KB |
Execution killed with signal 9 |
16 |
Runtime error |
2149 ms |
131072 KB |
Execution killed with signal 9 |
17 |
Runtime error |
2563 ms |
131072 KB |
Execution killed with signal 9 |