제출 #272064

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
272064		sebinkim	Last supper (IOI12_supper)	C++14	0 / 100	144 ms	8664 KiB

advisor

#include "advisor.h"
#include <bits/stdc++.h>
#define fi first
#define se second
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;
 
static int A[202020], X[202020], R[101010];
static int B[202020];
static priority_queue<pii> PQ;
 
void ComputeAdvice(int *C, int N, int K, int M) {
	for (int i=0; i<K; i++) A[i]=i;
	for (int i=0; i<N; i++) A[i+K]=C[i], R[i]=N+K;
	for (int i=N+K-1; i>=0; i--) X[i]=R[A[i]], R[A[i]]=i;
	memset(R, -1, sizeof R);
	for (int i=0; i<K; i++) PQ.push(pii(X[i], i)), R[i]=i;
	for (int i=K; i<K+N; i++){
		if (R[A[i]]<0){
			while (!PQ.empty() && R[A[PQ.top().se]] != PQ.top().se) PQ.pop();
			B[PQ.top().se]=1, R[PQ.top().se]=-1;
			PQ.pop();
		}
		R[A[i]]=i, PQ.push(pii(X[i], i));
	}
	for (int i=0; i<K+N; i++) WriteAdvice(B[i]);
}

assistant

#include "assistant.h"
#include <bits/stdc++.h>
#define fi first
#define se second
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;
 
static bool chk[101010];
static set<int> E;
 
void Assist(unsigned char *A, int N, int K, int R) {
	for (int i=0; i<K; i++){
		if (A[i]) E.insert(i);
		chk[i]=true;
	}
	for (int i=0; i<N; i++){
		int x=GetRequest();
		if (!chk[x]){
			assert(!E.empty());
			PutBack(*E.begin()), chk[*E.begin()]=false, E.erase(E.begin());
		}
		if (A[i+K]) E.insert(x);
		else E.erase(x);
		chk[x]=true;
	}
}

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