Submission #345963

#	Time	Username	Problem	Language	Result	Execution time	Memory
345963		kshitij_sodani	Broken Device (JOI17_broken_device)	C++14	8 / 100	53 ms	2992 KiB

Anna

//#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
#define endl '\n'
 
#include "Annalib.h"
int vis[151];
int ans[151];
/*vector<llo> yy={0,0,0,0,0,0,
	0,0,0,0,0,0,
	0,0,0,0,0,0,
	0,0,0,0,0,0,
	0,0,0,0,0,0,
	0,0,0,0,0,0,
1,1,1,1,1,1,
1,1,1,1,1,1,
1,1,1,1,1,1,
1,1,1,1,1,1};*/
void Anna( int n, long long x, int k, int pp[] ){
	for(int i=0;i<n;i++){
		vis[i]=0;
		ans[i]=0;
	}
	for(int i=0;i<k;i++){
		vis[pp[i]]=1;		
	}
	vector<int> kk;
	for(int i=0;i<n;i++){
		if(vis[i]==0){
			kk.pb(i);
		}
	}
	int cot=0;
	llo mm=0;
	for(int i=0;i<60;i++){
		if((1LL<<i)&x){
			
		}
		else{
			mm+=1;
		}
	}
	llo st=0;
	if(mm<30){
		st=1;
		x=(1LL<<60)-x-1;
	}
	//while(cot<kk.size()){
		int cur=-1;
		int la=-1;
		for(int i=0;i<n;i++){
			ans[i]=0;
		}
		llo le=x;
		int kkc=0;
		for(int i=0;i<n;i++){
			if(kkc==1){
				kkc=0;
				continue;
			}
			kkc=0;
			if(cur==60){
				break;
			}
		/*	if(i<kk[cot]){
				continue;
			}*/
			if(vis[i]==0){
				if(cur==-1){
					if(i%2==st){
						continue;
					}
					ans[i]=1;
					cur++;
					la=i;
					continue;
					/*if(i%2==0){
						ans[i]=1;
						cur++;
					}*/
					continue;
				}
				/*llo xx=0;
				if(cur>=40){
					xx=1;
				}*/
				if(x&(1LL<<cur)){
 					if(i<n-1){
 						if(vis[i]==0 and vis[i+1]==0){
 							ans[i]=1;
 							ans[i+1]=1;
 							kkc=1;
 							le-=(1LL<<cur);
							ans[i]=1;
							cur++;
							la=i;
 						}
 					}
					/*if((i-la)%2==1){
						le-=(1LL<<cur);
						ans[i]=1;
						cur++;
						la=i;
					}*/
				}
				else{
					//if((i-la)%2==0){
						ans[i]=1;
						cur++;
						kkc=1;
						la=i;
					//}
				}
			}
		}
		//cout<<cur<<":"<<endl;
	/*	if(le==0){
			break;
		}*/
		cot++;
		//if(cur==60){
 
 
	//  }
  		for( int i = 0; i < n; i++ ){
	   		 Set( i, ans[i] );
	  	}
 
 
	  	return;
 
	//}
	/*cur=-1;
	for(int i=0;i<n;i++){
		ans[i]=0;
	}
	for(int i=0;i<n;i++){
		if(cur==60){
			break;
		}
		if(vis[i]==0){
			if(cur==-1){
				if(i%2==1){
					cur++;
					ans[i]=1;
				}
				continue;
			}
			if(x&(1LL<<cur)){
				if(i%2==0){
					ans[i]=1;
					cur++;
				}
			}
			else{
				if(i%2==1){
					ans[i]=1;
					cur++;
				}
			}
		}
	}
 
	 for( int i = 0; i < n; i++ ){
	   		 Set( i, ans[i] );
	  	}
*/
	 
}

Bruno

//#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
#define endl '\n'
 
 
#include "Brunolib.h"
/*vector<llo> yy2={0,0,0,0,0,0,
	0,0,0,0,0,0,
	0,0,0,0,0,0,
	0,0,0,0,0,0,
	0,0,0,0,0,0,
	0,0,0,0,0,0,
1,1,1,1,1,1,
1,1,1,1,1,1,
1,1,1,1,1,1,
1,1,1,1,1,1};*/
long long Bruno( int n, int aa[] ){
 
 
	vector<int> ss;
	llo ans=0;
	int x=-1;
	for(int i=0;i<n;i++){
		if(aa[i]==1){
			/*if(x==-1){
				x=i;
				continue;
			}*/
			ss.pb(i);
		}
	}
	int ind=1;
	llo cot=0;
	while(ind<ss.size()){
		if(ind+1==ss.size()){
			break;
		}
		if(ss[ind+1]==ss[ind]+1){
			ans+=(1LL<<cot);
			cot++;
			ind+=2;
		}
		else{
			cot++;
			ind+=1;
		}
	}
	/*for(int i=1;i<ss.size();i++){
		
			if((ss[i]-ss[i-1])%2==1){
				ans+=(1LL<<(i-1));
			}
		}*/
		if(ss[0]%2==0){
			ans=(1LL<<60)-ans-1;
		}
	return ans;
	if(x%2==0){
		for(int i=0;i<ss.size();i++){
			if((ss[i]%2==1)){
				ans+=(1LL<<i);
			}
		}
	}
	else{
		for(int i=0;i<ss.size();i++){
			if((ss[i]%2==0)){
				ans+=(1LL<<i);
			}
		}
	}
 
 
 
 
  return ans;
}
 
//g++ -std=c++14 -O2 -o aa grader.cpp Anna.cpp Bruno.cpp

Compilation message (stderr)

Anna.cpp: In function 'void Anna(int, long long int, int, int*)':
Anna.cpp:55:7: warning: variable 'la' set but not used [-Wunused-but-set-variable]
   55 |   int la=-1;
      |       ^~

Bruno.cpp: In function 'long long int Bruno(int, int*)':
Bruno.cpp:40:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |  while(ind<ss.size()){
      |        ~~~^~~~~~~~~~
Bruno.cpp:41:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |   if(ind+1==ss.size()){
      |      ~~~~~^~~~~~~~~~~
Bruno.cpp:65:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |   for(int i=0;i<ss.size();i++){
      |               ~^~~~~~~~~~
Bruno.cpp:72:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |   for(int i=0;i<ss.size();i++){
      |               ~^~~~~~~~~~

• Subtask 1: 8 / 100