Submission #829958

#	Time	Username	Problem	Language	Result	Execution time	Memory
829958		MODDI	Last supper (IOI12_supper)	C++14	100 / 100	235 ms	79428 KiB

advisor

#include <bits/stdc++.h>
#include "advisor.h"
using namespace std;
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int,int> pii;
typedef pair<ll, ll> pll;

int n;
stack<int> G[100105];
set<pii> activasion;
set<int> in_pq;
int advice[2 * 100100], out[100100];
void ComputeAdvice(int *C, int N, int K, int M) {
	n=N;
	for(int i=n-1;i>=0;i--) G[C[i]].push(i);
	for(int i=0;i<K;i++){
		int when = n+1;
	    if(!G[i].empty()) when=G[i].top();
	    activasion.insert(mp(-when, i));
	    in_pq.insert(i);
	}
	for(int i=0;i<K;i++) out[i] = i;
	for(int i=0;i<n+K;i++) advice[i] = 1;
	for(int i=0;i<n;i++){
	    G[C[i]].pop();
	    out[C[i]]=K+i;
	    if(in_pq.find(C[i])==in_pq.end()){      
	      	pii sega=*activasion.begin();
	      	activasion.erase(*activasion.begin());
	      	in_pq.erase(sega.second);
	      	advice[out[sega.second]]=0;
	    }
	    
	    int when = 0;
	    in_pq.insert(C[i]);
	    if(G[C[i]].empty()) when=n+1;
	    else when=G[C[i]].top();
	    activasion.insert(mp(-when, C[i]));
	}
	 
	for(int i=0;i<n+K;i++) WriteAdvice(advice[i]);
}

assistant

#include "assistant.h"
#include<bits/stdc++.h>
 
using namespace std;
 
void Assist(unsigned char *A, int N, int K, int R) {
	int n = N;
	set<int> odma, in;
	for(int i=0;i<K;i++){
		if(A[i] == 0)	odma.insert(i);
		
		in.insert(i);
	}
	for(int i=0;i<n;i++){
	    int adv=GetRequest();
	    if(in.find(adv)==in.end()){
	      PutBack(*odma.begin());
	      in.erase(*odma.begin());
	      odma.erase(odma.begin());
	    }
	    in.emplace(adv);
	    if(A[i+K]==0) odma.emplace(adv);
	}
}

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 35 / 35
• Subtask 5: 39 / 39