Submission #169476

#	Time	Username	Problem	Language	Result	Execution time	Memory
169476		arnold518	Last supper (IOI12_supper)	C++14	0 / 100	407 ms	26720 KiB

advisor

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

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5;

static int *C, N, K, M, B, D[MAXN+10], P[MAXN+10];
static vector<int> T[MAXN+10];

void ComputeAdvice(int *_C, int _N, int _K, int _M)
{
    int i, j;
    C=_C; N=_N; K=_K; M=_M;

    for(i=20; i>=0; i--) if(N&(1<<i)) break;
    B=i+1;

    for(i=N-1; i>=0; i--) T[C[i]].push_back(i);

    priority_queue<pii> PQ;
    for(i=0; i<K; i++)
    {
        int p=i;
        if(T[p].empty()) PQ.push({N, p});
        else PQ.push({T[p].back(), p});
        P[i]=1;
    }

    for(i=0; i<N; i++)
    {
        if(P[C[i]]) { D[i]=(1<<B)-1; continue; }
        pii now=PQ.top(); PQ.pop();
        D[i]=now.second; P[now.second]=0;
        int p=C[i]; P[p]=1;
        while(!T[p].empty() && T[p].back()<=i) T[p].pop_back();
        if(T[p].empty()) PQ.push({N, p});
        else PQ.push({T[p].back(), p});
    }

    //for(i=0; i<N; i++) printf("%d ", D[i]);
    //printf("\n=========\n");

    for(i=0; i<N; i++)
    {
        for(j=0; j<B; j++)
        {
            if(D[i]&(1<<j)) WriteAdvice(1);
            else WriteAdvice(0);
        }
    }
}

assistant

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

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5;

static int N, K, R, B, D[MAXN+10];
unsigned char *A;

void Assist(unsigned char *_A, int _N, int _K, int _R)
{
    int i, j;
    A=_A; N=_N; K=_K; R=_R;

    for(i=20; i>=0; i--) if(N&(1<<i)) break;
    B=i+1;

    int cnt=0;
    for(i=0; i<N; i++) for(j=0; j<B; j++) if(A[cnt++]) D[i]|=(1<<j);

    for(i=0; i<N; i++)
    {
        GetRequest();
        if(D[i]!=(1<<B)-1) PutBack(D[i]);
    }
}

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