Submission #100076

#	Time	Username	Problem	Language	Result	Execution time	Memory
100076		jamielim	Broken Device (JOI17_broken_device)	C++14	0 / 100	65 ms	3072 KiB

Anna

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

void Anna( int N, long long X, int K, int P[] ){
    if(K==1){
        if(P[0]<=75){
            for(int i=0;i<=75;i++)Set(i,0);
            for(int i=76;i<N;i++){
                Set(i,(X%2));
                X/=2;
            }
        }else{
            for(int i=0;i<N;i++){
                Set(i,(X%2));
                X/=2;
            }
        }
        return;
    }
    int arr[N];
    for(int i=0;i<K;i++){
        arr[P[i]]=-1;
    }
    int poss=0;
    int k=__builtin_ctz(X);
    X>>=k;
    for(int i=0;i<N-1;i++){
        if(X==0)break;
        if(i<poss)continue;
        if(X%2==0){
            if(arr[i]!=-1){
                arr[i]=1;
                arr[i+1]=0;
                poss=i+2;
            }
        }else{
            if(arr[i]!=-1&&arr[i+1]!=-1){
                arr[i]=1;
                arr[i+1]=1;
                poss=i+2;
            }
        }
        X>>=1;
    }
    for(int i=0;i<N;i++){
        if(arr[i]!=1&&arr[i]!=0)arr[i]=0;
        Set(i,arr[i]);
    }
    return;
}

Bruno

#include "Brunolib.h"
#include <bits/stdc++.h>
using namespace std;
long long Bruno( int N, int A[] ){
    long long ans=0;
    for(int i=0;i<=75;i++){
        if(A[i]==1){
            for(long long j=0;j<=75;j++){
                ans+=(long long)(A[i])*(1<<j);
                if((1<<j)>1000000000000000000)break;
            }
            return ans;
        }
    }
    for(long long i=76;i<N;i++){
        ans+=(long long)(A[i])*(1<<(i-76));
        if((1<<(i-76))>1000000000000000000)break;
    }
    return ans;
}

• Subtask 1: 0 / 100