This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "Anyalib.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
static const int MAXN = 500;
static int N;
static vector<pii> adj[MAXN+10];
static pii E[MAXN+10];
static int C[MAXN+10], A[MAXN+10], B[MAXN+10], H[MAXN+10], par[MAXN+10];
static void dfs(int now, int bef, int d)
{
A[now]=d;
par[now]=bef;
H[now]=0;
for(auto nxt : adj[now])
{
if(nxt.first==bef) continue;
dfs(nxt.first, now, d+C[nxt.second]);
H[now]=max(H[now], H[nxt.first]);
}
H[now]++;
H[now]%=12;
}
void InitAnya(int _N, int A[], int B[])
{
N=_N;
for(int i=1; i<N; i++)
{
int u=A[i-1]+1, v=B[i-1]+1;
adj[u].push_back({v, i});
adj[v].push_back({u, i});
E[i]={u, v};
}
dfs(1, 1, 0);
for(int i=1; i<N; i++) if(par[E[i].first]==E[i].second) swap(E[i].first, E[i].second);
}
void Anya(int _C[])
{
for(int i=1; i<N; i++)
{
C[i]=_C[i-1];
B[E[i].second]=C[i];
}
dfs(1, 1, 0);
for(int i=2; i<=N; i++) Save(i-2, B[i]);
int cnt=0;
for(int i=1; i<=N; i++)
{
if(H[i]) continue;
for(int j=0; j<9; j++)
{
if(A[i]&(1<<j)) Save(N-1+cnt*9+j, 1);
else Save(N-1+cnt*9+j, 0);
}
cnt++;
}
}
#include "Borislib.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
static const int MAXN = 500;
static int N;
static vector<pii> adj[MAXN+10];
static pii E[MAXN+10];
static int C[MAXN+10], A[MAXN+10], B[MAXN+10], H[MAXN+10], par[MAXN+10];
static void dfs(int now, int bef, int d)
{
A[now]=d;
par[now]=bef;
for(auto nxt : adj[now])
{
if(nxt.first==bef) continue;
dfs(nxt.first, now, d+C[nxt.second]);
H[now]=max(H[now], H[nxt.first]);
}
H[now]++;
H[now]%=12;
}
void InitBoris(int _N, int A[], int B[])
{
N=_N;
for(int i=1; i<N; i++)
{
int u=A[i-1]+1, v=B[i-1]+1;
adj[u].push_back({v, i});
adj[v].push_back({u, i});
E[i]={u, v};
}
dfs(1, 1, 0);
int cnt=0;
for(int i=1; i<=N; i++) if(H[i]==0) B[i]=cnt++;
}
int Boris(int city)
{
city++;
int ret=0;
int cnt=0;
for(int i=1; i<=N; i++) if(H[i]==0) B[i]=cnt++;
while(city!=1)
{
if(H[city]==0)
{
int t=0;
for(int i=0; i<9; i++) t+=(Ask(N-1+B[city]*9+i)<<i);
ret+=t;
break;
}
else
{
int t=Ask(city-2);
ret+=t;
city=par[city];
}
}
return ret;
}
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