Submission #624988

#TimeUsernameProblemLanguageResultExecution timeMemory
624988pirhosigLast supper (IOI12_supper)C++17
0 / 100
576 ms6224 KiB
#include "advisor.h"
#include <bits/stdc++.h>
#define  R(a) for (int i = 0; i < a; ++i)
#define ii pair<int, int>
using namespace std;



void ComputeAdvice(int *C, int N, int K, int M) {
    vector<int> nxt(N, INT_MAX);
    vector<int> val(N);
    for (int i = N - 1; i >= 0; --i) {
        int a = C[i];
        val[i] = nxt[a];
        nxt[a] = i;
    }

    vector<bool> init(K);
    vector<bool> rem(N);
    priority_queue<ii> que;
    R(K) {
        que.push({nxt[i], i});
    }
    vector<bool> has(N);
    vector<int> last(N, -1);
    R(K) {
        has[i] = true;
    }
    R(N) {
        int a = C[i];
        if (!has[a]) {
            auto b = que.top();
            que.pop();
            if (last[b.second] == -1) init[b.second] = true;
            else rem[last[b.second]] = true;
        }
        last[a] = i;
        que.push({val[i], a});
    }

    R(K) {
        if (init[i]) WriteAdvice(1);
        else WriteAdvice(0);
    }
    R(N) {
        if (rem[i]) WriteAdvice(1);
        else WriteAdvice(0);
    }
}
#include "assistant.h"
#include <bits/stdc++.h>
#define  R(a) for (int i = 0; i < a; ++i)
#define ii pair<int, int>
using namespace std;



void Assist(unsigned char *A, int N, int K, int R) {
    queue<int> rem;
    set<int> val;
    R(K) {
        cerr << "A " << (int)(A[i]) << endl;
    }
    cerr << "N\n";
    R(N) {
        cerr << "A " << (int)(A[K + i]) << endl;
    }

    R(K) {
        val.insert(i);
        if (A[i]) rem.push(i);
    }
    R(N) {
        int a = GetRequest();
        if (!val.count(a)) {
            val.insert(a);
            int b = rem.front();
            PutBack(b);
            val.erase(b);
            rem.pop();
        }
        if (A[K + i]) rem.push(a);
    }
}
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