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 double lf;
typedef pair<ll,ll> ii;
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define FILL(i,n) memset(i,n,sizeof i)
#define X first
#define Y second
#define SZ(_a) (int)_a.size()
#define ALL(_a) _a.begin(),_a.end()
#define pb push_back
#ifdef brian
#define debug(...) do{\
fprintf(stderr,"%s - %d (%s) = ",__PRETTY_FUNCTION__,__LINE__,#__VA_ARGS__);\
_do(__VA_ARGS__);\
}while(0)
template<typename T>void _do(T &&_x){cerr<<_x<<endl;}
template<typename T,typename ...S> void _do(T &&_x,S &&..._t){cerr<<_x<<" ,";_do(_t...);}
template<typename _a,typename _b> ostream& operator << (ostream &_s,const pair<_a,_b> &_p){return _s<<"("<<_p.X<<","<<_p.Y<<")";}
template<typename It> ostream& _OUTC(ostream &_s,It _ita,It _itb)
{
_s<<"{";
for(It _it=_ita;_it!=_itb;_it++)
{
_s<<(_it==_ita?"":",")<<*_it;
}
_s<<"}";
return _s;
}
template<typename _a> ostream &operator << (ostream &_s,vector<_a> &_c){return _OUTC(_s,ALL(_c));}
template<typename _a> ostream &operator << (ostream &_s,set<_a> &_c){return _OUTC(_s,ALL(_c));}
template<typename _a,typename _b> ostream &operator << (ostream &_s,map<_a,_b> &_c){return _OUTC(_s,ALL(_c));}
template<typename _t> void pary(_t _a,_t _b){_OUTC(cerr,_a,_b);cerr<<endl;}
#define IOS()
#else
#define debug(...)
#define pary(...)
#define endl '\n'
#define IOS() ios_base::sync_with_stdio(0);cin.tie(0);
#endif // brian
//}
const ll MAXn = 200000 + 5;
vector<int> C, X, Y;
ll sit = 0;
#include "doll.h"
ll nnd(){
X.pb(0);
Y.pb(0);
return --sit;
}
void build(ll now, vector<int> v)
{
vector<int> d[2];
d[0].clear();d[1].clear();
if(SZ(v) & 1)d[0].pb(now);
for(int i = 0, fg = (SZ(v) & 1);i < SZ(v);i++,fg = !fg){
d[fg].pb(v[i]);
}
if(SZ(d[0]) == 1)X[-now-1] = d[0][0];
else build(X[-now-1] = nnd(), d[0]);
if(SZ(d[1]) == 1)Y[-now-1] = d[1][0];
else build(Y[-now-1] = nnd(), d[1]);
}
void create_circuit(int M, std::vector<int> A) {
ll n = SZ(A);
A.pb(0);
ll rt = nnd();
X.clear();Y.clear();sit = 0;
build(rt, A);
C.clear();
REP(i, M+1)C.pb(rt);
answer(C, X, Y);
}
컴파일 시 표준 에러 (stderr) 메시지
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:74:6: warning: unused variable 'n' [-Wunused-variable]
74 | ll n = SZ(A);
| ^
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