제출 #261493

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
261493		arnold518	Broken Device (JOI17_broken_device)	C++14	0 / 100	59 ms	3328 KiB

Anna

#include "Annalib.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
 
static const int MAXN = 150;
static const int MAXK = 40;
 
static int N, K, *P;
static ll X;
static int A[MAXN+10];

static int PP[160];
static int QQ[160];

static int cnt=1;

void Anna(int _N, ll _X, int _K, int _P[])
{
	N=_N; X=_X; K=_K; P=_P;

	for(int i=0; i<N; i++) PP[i]=i;
	srand(8);
	random_shuffle(PP, PP+N);
	for(int i=0; i<N; i++) QQ[PP[i]]=i;

	for(int i=0; i<K; i++) A[QQ[P[i]]]=-1;
 

	ll now=X;
	for(int i=0; i<N; i+=2)
	{
		if(A[i]==-1 && A[i+1]==-1) A[i]=0, A[i+1]=0;
		else if(A[i]==-1 && now%3==0) A[i]=0, A[i+1]=1, now/=3;
		else if(A[i+1]==-1 && now%3==1) A[i]=1, A[i+1]=0, now/=3;
		else if(now%3==0) A[i]=0, A[i+1]=1, now/=3;
		else if(now%3==1) A[i]=1, A[i+1]=0, now/=3;
		else if(now%3==2) A[i]=1, A[i+1]=1, now/=3;
	}
	for(int i=0; i<N; i++) Set(PP[i], A[i]);
}

Bruno

#include "Brunolib.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
 
static int N, *A;

static int PP[160];
static int QQ[160];

static int cnt=1;

ll Bruno(int _N, int _A[])
{
	N=_N; A=_A;
	ll ret=0;

	for(int i=0; i<N; i++) PP[i]=i;
	srand(8);
	random_shuffle(PP, PP+N);
	for(int i=0; i<N; i++) QQ[PP[i]]=i;

	for(int i=N-2; i>=0; i-=2)
	{
		if(A[PP[i]]==0 && A[PP[i+1]]==0) continue;
		if(A[PP[i]]==0 && A[PP[i+1]]==1) ret=ret*3+0;
		if(A[PP[i]]==1 && A[PP[i+1]]==0) ret=ret*3+1;
		if(A[PP[i]]==1 && A[PP[i+1]]==1) ret=ret*3+2;
	}
	return ret;
}

컴파일 시 표준 에러 (stderr) 메시지

Anna.cpp:19:12: warning: 'cnt' defined but not used [-Wunused-variable]
 static int cnt=1;
            ^~~

Bruno.cpp:14:12: warning: 'cnt' defined but not used [-Wunused-variable]
 static int cnt=1;
            ^~~

• Subtask 1: 0 / 100