Submission #293172

#TimeUsernameProblemLanguageResultExecution timeMemory
293172b00n0rpLast supper (IOI12_supper)C++17
100 / 100
197 ms22768 KiB
#include<bits/stdc++.h>
using namespace std;
#include "advisor.h"

#define REP(i,n) for(int i = 0; i < n; i++)
#define FOR(i,a,b) for(int i = a; i < b; i++)
#define vi vector<int>
#define pb push_back
#define pii pair<int,int>
#define F first
#define S second
#define all(v) v.begin(),v.end()

const int MAXN = 200005;

int ans[MAXN],last[MAXN];

vi gg[MAXN];

void ComputeAdvice(int *C, int N, int K, int M) {

	priority_queue<pii> pq;

	REP(i,K) gg[i].pb(i);
	REP(i,N){
		last[i] = -1;
		gg[C[i]].pb(i+K);
	}
	REP(i,N) gg[i].pb(N+K);
	REP(i,K){
		pq.push({*upper_bound(all(gg[i]),i),i});
		last[i] = i;
	}
	REP(i,N){
		if(last[C[i]] != -1) ans[last[C[i]]] = 1;
		else{
			int x = pq.top().S;
			pq.pop();
			last[x] = -1;
		}
		last[C[i]] = i+K;
		pq.push({*upper_bound(all(gg[C[i]]),i+K),C[i]});
	}

	REP(i,N+K) WriteAdvice(ans[i]);

}
#include<bits/stdc++.h>
using namespace std;
#include "assistant.h"

#define REP(i,n) for(int i = 0; i < n; i++)
#define FOR(i,a,b) for(int i = a; i < b; i++)
#define vi vector<int>
#define pb push_back
#define pii pair<int,int>
#define F first
#define S second
#define all(v) v.begin(),v.end()

const int MAXN = 200005;

void Assist(unsigned char *A, int N, int K, int R) {

	set<int> x,y;
	REP(i,K){
		if(A[i]) x.insert(i);
		else y.insert(i);
	}
	REP(i,N){
		int c = GetRequest();
		if(x.find(c) == x.end()){
			int tbr = *y.begin();
			PutBack(tbr);
			y.erase(tbr);
		}
		else{
			x.erase(c);
		}
		if(A[i+K]) x.insert(c);
		else y.insert(c);
	}
}
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