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>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
#define MottoHayaku ios::sync_with_stdio(0);cin.tie(0);
#define rep1(i,n) for(int i=1;i<=n;i++)
#define rep(i,n) for(int i=0;i<n;i++)
#define F first
#define S second
#define pb push_back
//#define int ll
const int MOD=1e9+7;
const ll INF=1e16;
const int N=100005;
vector<int> ed[N];
ll t=0,x[N<<1],y[N<<1];
void get_switch(vector<int> v,int par,bool side,vector<int> &c)
{
if(v.size()==0) return;
if(v.size()==1)
{
if(par>=0) c[par]=v[0];
else
{
if(!side) x[-par]=v[0];
else y[-par]=v[0];
}
return;
}
vector<int> l,r;
rep(i,v.size())
{
if(i&1) r.pb(v[i]);
else l.pb(v[i]);
}
t--;
if(par>=0)
{
c[par]=t;
}
else
{
if(!side) x[-par]=t;
else y[-par]=t;
}
int cur=t;
get_switch(l,cur,0,c);
get_switch(r,cur,1,c);
}
void answer(vector<int> c,vector<int> x,vector<int> y);
void create_circuit(int M,vector<int> A)
{
vector<int> c(M+1);
ll cur=0;
A.pb(0);
rep(i,A.size())
{
ed[cur].pb(A[i]);
cur=A[i];
}
rep(i,M+1) get_switch(ed[i],i,0,c);
vector<int> X,Y;
t=-t;
rep1(i,t)
{
X.pb(x[i]);
Y.pb(y[i]);
}
//rep(i,c.size()) cout<<i<<": "<<c[i]<<"\n";
//rep(i,X.size()) cout<<-(i+1)<<": "<<X[i]<<" "<<Y[i]<<"\n";
answer(c,X,Y);
}
/*int main()
{
MottoHayaku
ll n,m;
cin>>n>>m;
vector<int> a(n);
rep(i,n) cin>>a[i];
create_circuit(m,a);
}
*/
컴파일 시 표준 에러 (stderr) 메시지
doll.cpp: In function 'void get_switch(std::vector<int>, int, bool, std::vector<int>&)':
doll.cpp:7:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i,n) for(int i=0;i<n;i++)
......
31 | rep(i,v.size())
| ~~~~~~~~~~
doll.cpp:31:5: note: in expansion of macro 'rep'
31 | rep(i,v.size())
| ^~~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:7:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i,n) for(int i=0;i<n;i++)
......
56 | rep(i,A.size())
| ~~~~~~~~~~
doll.cpp:56:5: note: in expansion of macro 'rep'
56 | rep(i,A.size())
| ^~~
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