Submission #73971

#	Time	Username	Problem	Language	Result	Execution time	Memory
73971		sebinkim	Last supper (IOI12_supper)	C++14	0 / 100	2588 ms	2372 KiB

advisor

#include "advisor.h"

#include <bits/stdc++.h>

using namespace std;

typedef pair <int, int> pii;

static int P[151515], K[151515];
static priority_queue <pii> Q;
static bool chk[151515], ans[151515];

void ComputeAdvice(int *C, int n, int k, int m)
{
	int i, t, x;
	
	for(i=0; i<n; i++) P[i] = n + k + 1;
	
	for(i=n-1; i>=0; i--){
		K[k + i] = P[C[i]];
		P[C[i]] = k + i;
	}
	
	for(i=0; i<k; i++){
		K[i] = P[i];
		P[i] = i; chk[i] = 1;
		Q.push(pii(K[i], i));
	}
	
	for(i=0; i<n; i++){
		if(!chk[C[i]]){
			for(; ;){
				t = Q.top().second; Q.pop();
				x = t >= k? C[t] : t;
				if(chk[x]){
					chk[x] = 0; ans[t] = 1;
					break;
				}
			}
			Q.pop();
			chk[C[i]] = 1;
		}
		Q.push(pii(K[k + i], k + i));
	}
	
	for(i=0; i<n+k; i++){
		WriteAdvice(ans[i]);
	}
}

assistant

#include "assistant.h"

#include <bits/stdc++.h>

using namespace std;

static vector <int> V;
static bool chk[101010];

void Assist(unsigned char *A, int n, int k, int r)
{
	int i, c;
	
	for(i=0; i<k; i++){
		if(A[i]) V.push_back(i);
		chk[i] = 1;
	}
	
	for(i=0; i<n; i++){
		c = GetRequest();
		if(!chk[c]){
			chk[V.back()] = 0;
			PutBack(V.back());
			V.pop_back();
		}
		if(A[k + i]) V.push_back(c);
		chk[c] = 1;
	}
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 35
• Subtask 5: 0 / 39