Submission #419131

#	Time	Username	Problem	Language	Result	Execution time	Memory
419131		arayi	Last supper (IOI12_supper)	C++17	0 / 100	143 ms	32532 KiB

advisor

#include "advisor.h"
#include <iostream>
#include <vector>
#include <queue>
#define MP make_pair
#define fr first
#define sc second
#define ad push_back
using namespace std;
const int N = 1e6 + 30;


int i1 = 0;
int col[N], b[N], c[N];
int ans[N];
vector<int> fp[N];
void ComputeAdvice(int *C, int N, int K, int M)
{
	for (int i = 0; i < N; i++) fp[i].ad(N);
	for (int i = N - 1; i >= 0; i--) fp[C[i]].ad(i);
	priority_queue <pair<int, int> > q;
	for (int i = 0; i < K; i++) q.push(MP(fp[i].back(), i)), col[i] = 1, b[i] = i;
	for (int i = 0; i < N; i += K)
	{
		int ss = min(N, i + K) - i;
		for (int j = 0; j < ss; j++) c[j] = i1 + j;
		for (int j = i; j < min(N, i + K); j++) 
		{
			if (col[C[j]]) continue;
			int p = q.top().sc;
			q.pop();
			ans[c[p]] = 1;
			col[C[j]] = 1, col[b[p]] = 0;
			b[p] = C[j], c[p] = i1 + ss + j - i;
			fp[C[j]].pop_back();
			q.push(MP(fp[C[j]].back(), p));
		}
		i1 += ss * 2;
	}
	for (int i = 0; i < i1; i++) WriteAdvice(ans[i]);
}

assistant

#include "assistant.h"
#include <iostream>
#include <vector>
#include <queue>
#define MP make_pair
#define fr first
#define sc second
#define ad push_back
using namespace std;
const int N1 = 1e6 + 30;

int ii;
int col1[N1], b1[N1];
vector <int> fp1;
void Assist(unsigned char *A, int N, int K, int R) 
{
	for (int i = 0; i < K; i++) col1[i] = 1, b1[i] = i;
	for (int i = 0; i < N; i += K)
	{
		int ss = min(N, i + K) - i;
		for (int j = 0; j < ss; j++) if (A[ii + j] == 1) fp1.ad(j);
		for (int j = i; j < min(N, i + K); j++)
		{
			int a = GetRequest();
			if (col1[a]) continue;
			int p = fp1.back();
			fp1.pop_back();
			col1[b1[p]] = 0, col1[a] = 1;
			PutBack(b1[p]);
			b1[p] = a;
			if (A[ii + ss + j - i] == 1) fp1.ad(p);
		}
		ii += ss * 2;
	}
}

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