Submission #1077172

#TimeUsernameProblemLanguageResultExecution timeMemory
1077172AMO5Broken Device (JOI17_broken_device)C++17
85 / 100
27 ms2904 KiB
#include "Annalib.h"
#include "bits/stdc++.h"

void Anna( int N, long long X, int K, int P[] ){
    std::vector<int>bad(N, 0);
    for(int i=0; i<K; i++)bad[P[i]]=1;

    long long tmp = X;
    for(int i=0; i<N; i+=2){
        if(bad[i] || (i + 1 < N && bad[i+1]) || tmp == 0){
            Set(i, 0);
            Set(i+1, 0);
        }else{
            int bit = tmp % 3;
            if(bit == 0){
                Set(i, 0);
                Set(i+1, 1);
            }else{
                Set(i, 1);
                Set(i+1, bit - 1);
            }
            tmp /= 3;
        }
    }
}
#include "Brunolib.h"
#include "bits/stdc++.h"

long long Bruno( int N, int A[] ){
    std::vector<int>bits;
    for(int i=0; i<N; i+=2){
        if(A[i] == 0){
            if(A[i+1] == 1)bits.emplace_back(0); 
        }else{
            bits.emplace_back(A[i+1]+1);
        }
    }
    long long answer = 0LL;
    while(!bits.empty()){
        answer *= 3LL;
        answer += bits.back();
        bits.pop_back();
    }
    return answer;
}
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