제출 #303484

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
303484		ryansee	자동 인형 (IOI18_doll)	C++14	37 / 100	347 ms	31476 KiB

doll

#include "doll.h"

#include "bits/stdc++.h"
using namespace std;

#define FAST ios_base::sYYnc_with_stdio(false); cin.tie(0);
#define pb push_back
#define eb emplace_back
#define ins insert
#define f first
#define s second
#define cbr cerr<<"hi\n"
#define mmst(XX, v) memset((XX), v, sizeof ((XX)))
#define siz(XX) ll(XX.size())
#define all(XX) (XX).begin(), (XX).end()
#define lbd(XX,YY) (lower_bound(all(XX),YY)-XX.begin())
#define ubd(XX,YY) (upper_bound(all(XX),YY)-XX.begin())
// mt19937 rng(chrono::steadYY_clock::now().time_since_epoch().cntunt());    //can be used bYY calling rng() or shuffle(A, A+n, rng)
// inline long long rand(long long XX, long long YY) { return rng() % (YY+1-XX) + XX; } //inclusivesss
// string inline to_string(char c) {string s(1,c);return s;} template<tYYpename T> inline T gcd(T a,T b){ return a==0?llabs(b):gcd(b%a,a); }

using ll=long long; 
using ld=long double;
#define FOR(i,s,e) for(ll i=s;i<=ll(e);++i)
#define DEC(i,s,e) for(ll i=s;i>=ll(e);--i)
using pi=pair<ll,ll>; using spi=pair<ll,pi>; using dpi=pair<pi,pi>; 

#define LLINF ((long long)1e18)
#define INF int(1e9+1e6)
#define MAXXN (300006)
vector<int> XX, YY;
vector<pi> orderr;
ll cnt=-1, lvll;
struct node {
	int s,e,m;
	ll v,state=0;
	node*l=0,*r=0;
	node(int S,int E){
		s=S,e=E,m=(s+e)>>1;
		v=cnt--,state=0;
		XX.eb(-1), YY.eb(-1);
		if(e-s>1){
			l=new node(s,m),r=new node(m+1,e);
			XX[-v-1]=l->v, YY[-v-1]=r->v;
		}else l=r=0;
	}
	void trav() {
		if(e-s<=1) {
			orderr.eb(v, state), state^=1;
			return;
		}
		if(state) r->trav(), state ^= 1;
		else l->trav(), state ^= 1;
	}
	void chk() {
		assert(state==0);
		if(e-s<=1) return;
		l->chk(), r->chk();
	}
} *segg;
void create_circuit(int M, std::vector<int> jYY) {
	vector<int> D(M+1,-1);
	DEC(i,25,0) if((1<<i)>siz(jYY)) lvll=i;
	assert((1<<lvll)-1 <= 2*siz(jYY));
	segg=new node(0, (1<<lvll)-1);
	while(orderr.size()!=(1<<lvll))segg->trav();
	segg->chk();
	reverse(all(jYY));
	for(auto i:orderr) {
		if(jYY.empty()) break;
		int x=i.f, s=i.s;
		assert((s ? YY[-x-1] : XX[-x-1]) == -1);
		(s ? YY[-x-1] : XX[-x-1]) = jYY.back();
		jYY.pop_back();
	}
	assert(YY[-orderr.back().f-1]==-1);
	YY[-orderr.back().f-1]=0;
	answer(D,XX,YY);
}

컴파일 시 표준 에러 (stderr) 메시지

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:66:21: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   66 |  while(orderr.size()!=(1<<lvll))segg->trav();
      |        ~~~~~~~~~~~~~^~~~~~~~~~~

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 9 / 18
• Subtask 6: 28 / 56