Submission #1326632

#TimeUsernameProblemLanguageResultExecution timeMemory
1326632adiyerLast supper (IOI12_supper)C++20
11 / 100
251 ms11112 KiB

#include "advisor.h"
#include <bits/stdc++.h>

using namespace std;

void ComputeAdvice(int *C, int N, int K, int M) {
    for(int i = 0; i < N; i++){
        for(int bit = 16; bit >= 0; bit--){
            WriteAdvice((C[i] >> bit & 1));
        }
    }
}

#include "assistant.h"
#include <bits/stdc++.h>

using namespace std;

void Assist(unsigned char *A, int N, int K, int R) {
    vector < int > g[N];
    set < pair < int, int > > st;
    int id = 0, a[N] = {}, c[N] = {}, val[N] = {}, pos[N] = {};
    for(int i = 0; i < N; i++)
        for(int bit = 16; bit >= 0; bit--)
            a[i] |= (A[id++] << bit);
    for(int i = 0; i < N; i++) g[a[i]].push_back(i);
    for(int i = 0; i < N; i++) g[i].push_back(N), reverse(g[i].begin(), g[i].end());
    for(int i = 0; i < K; i++) c[i] = 1, pos[i] = i, val[i] = i, st.insert({g[i].back(), i});
    for(int i = 0; i < N; i++){
        if(i){
            if(c[a[i - 1]]) st.erase({g[a[i - 1]].back(), pos[a[i - 1]]});
            g[a[i - 1]].pop_back();
            if(c[a[i - 1]]) st.insert({g[a[i - 1]].back(), pos[a[i - 1]]});
        }
        GetRequest();
        if(c[a[i]]) continue;
        int x = ((--st.end()) -> second);
        PutBack(val[x]);
        
        st.erase({g[val[x]].back(), x});
        c[val[x]] = pos[val[x]] = 0;
        
        val[x] = a[i];
        
        c[val[x]] = 1, pos[val[x]] = x;
        st.insert({g[val[x]].back(), x});
    }   
}
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