Submission #310985

#	Time	Username	Problem	Language	Result	Execution time	Memory
310985		peuch	Broken Device (JOI17_broken_device)	C++17	0 / 100	2 ms	1032 KiB

Anna

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

void Anna(int N, long long X, int K, int P[]){
	
	int marc[N + 10];
	memset(marc, 0, sizeof(marc));
	
	for(int i = 0; i < K; i++)
		marc[P[i]] = 1;

	int it1 = 60, it2 = N - 1;
	
	for(; it1 >= 0; it1--){
		while((marc[it2] || (marc[it2 - 1] && (1LL << ((long long)it1)))) && it2 > 1) {
			Set(it2, 0);
			it2--;
		}
		Set(it2, 1);
		it2--;	
		if((1LL << ((long long)it1)) & X) Set(it2, 1);
		else Set(it2, 0);
		it2--;
	}
	
	while(it2 >= 0){
		Set(it2, 0);
		it2--;
	}
	
	return;
}

Bruno

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

long long Bruno(int N, int A[]){
	
	int it1 = 60, it2 = N - 1;
	long long ret = 0;
	
	for(; it2 > 0; it2--){
		if(A[it2]){
			it2--;
			ret |= ((long long) A[it2]) << (long long)it1;
			it1--;
		}
		if(it1 < 0) break;
	}

	return ret;
}

Compilation message (stderr)

Anna.cpp: In function 'void Anna(int, long long int, int, int*)':
Anna.cpp:16:46: warning: '<<' in boolean context, did you mean '<' ? [-Wint-in-bool-context]
   16 |   while((marc[it2] || (marc[it2 - 1] && (1LL << ((long long)it1)))) && it2 > 1) {
      |                                         ~~~~~^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100