Submission #126527

#	Time	Username	Problem	Language	Result	Execution time	Memory
126527		baluteshih	Broken Device (JOI17_broken_device)	C++14	41 / 100	44 ms	3376 KiB

Anna

#include "Annalib.h"
#include <bits/stdc++.h>
#define jizz ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define pb push_back
#define MP make_pair
#define F first
#define S second
#define MEM(i,j) memset(i,j,sizeof i)
#define ALL(v) v.begin(),v.end()
#define ET cout << "\n"
#define DB(a,s,e) {for(int i=s;i<e;++i) cout << a[i] << " ";ET;}
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

void Anna( int N, long long X, int K, int P[] )
{
	const ll XOR=165438486768787;
	X^=XOR;
	bitset<150> bye,use;
	for(int i=0;i<K;++i)
		bye[P[i]]=1;
	for(ll i=0,nw=1;i+1<N&&nw<=X;++i)
		if(!bye[i]&&!bye[i+1])
			if(nw&X)
				use[i]=use[i+1]=1,++i,nw<<=1;
			else
				use[i]=1,++i,nw<<=1;
	for(int i=0;i<N;++i)
		Set(i,use[i]);
}

Bruno

#include "Brunolib.h"
#include <bits/stdc++.h>
#define jizz ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define pb push_back
#define MP make_pair
#define F first
#define S second
#define MEM(i,j) memset(i,j,sizeof i)
#define ALL(v) v.begin(),v.end()
#define ET cout << "\n"
#define DB(a,s,e) {for(int i=s;i<e;++i) cout << a[i] << " ";ET;}
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;


long long Bruno(int N,int A[])
{
	const ll XOR=165438486768787;
	ll ans=0;
	for(ll i=0,nw=1;i<N;++i)
		if(A[i])
		{
			if(A[i+1]) ans|=nw;
			nw<<=1,++i;
		}
	return ans^XOR;
}

Compilation message (stderr)

Anna.cpp: In function 'void Anna(int, long long int, int, int*)':
Anna.cpp:25:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
   if(!bye[i]&&!bye[i+1])
     ^

• Subtask 1: 41 / 100