이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#include "doll.h"
using namespace std;
#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define ll long long
ll mod=1000000007;
int inf=1000000007;
ll infl=1000000000000000007;
const int N=200007;
int it,n;
int x[N+20];
int y[N+20];
bool state[N+20];
bool kon[N+20];
void build(int v,int l,int r)
{
if(l+1==r)
{
kon[v]=1;
if(n==l) x[v]=-1;
return ;
}
it++;
y[v]=-it;
build(it,l,(l+r)/2);
if(n>(l+r)/2)
{
it++;
x[v]=-it;
build(it,(l+r)/2+1,r);
}
else x[v]=-1;
}
void push(int v,int k)
{
state[v]^=1;
if(state[v])
{
if(kon[v])
{
if(x[v]==-1) push(1,k);
else x[v]=k;
}
else push(-x[v],k);
}
else
{
if(kon[v])
{
if(y[v]==-1) push(1,k);
else y[v]=k;
}
else push(-y[v],k);
}
}
void create_circuit(int m,vector<int>a)
{
vector<int>c(m+1);
n=sz(a);
c[0]=a[0];
if(n==1)
{
for(int i=1;i<=m;i++) c[i]=0;
answer(c,{},{});
return ;
}
for(int i=1;i<=m;i++) c[i]=-1;
int p=1;
while(p<n) p*=2;
it++;
build(1,1,p);
for(int i=0;i<n-1;i++) push(1,a[i+1]);
push(1,0);
vector<int>X,Y;
for(int i=1;i<=it;i++) X.pb(x[i]);
for(int i=1;i<=it;i++) Y.pb(y[i]);
answer(c,X,Y);
}
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