Submission #397702

#	Time	Username	Problem	Language	Result	Execution time	Memory
397702		AmineWeslati	Ancient Machine (JOI21_ancient_machine)	C++17	0 / 100	62 ms	8032 KiB

Anna

#include "Anna.h"
#include "bits/stdc++.h"
using namespace std; 

typedef long long ll;
typedef vector<int>vi;
#define sz(v) (int)v.size()
#define pb push_back
#define all(x) begin(x),end(x)
typedef string str;
#define FOR(i,a,b) for(int i=a; i<b; i++)
#define ROF(i,a,b) for(int i=b-1; i>=a; i--)

//-------------------------------------------------------//

const int n=63,m=44;

ll f[n];
void compute(){
	f[0]=1; f[1]=2;
	FOR(i,2,n) f[i]=f[i-1]+f[i-2];
}

ll encode(vi vec){
	reverse(all(vec));
	ll ans=0;
	FOR(i,0,n) if(vec[i]) ans+=f[i];
	return ans; 
}

void Anna(int N, vector<char>S) {
	vi a(N,0);

	int fir=-1;
	FOR(i,0,N){
		if(S[i]=='X' && fir==-1){
			a[i]=1; fir=i;
		}
		else if(S[i]=='Z' && fir!=-1 && i!=fir+1){
			a[i]=1; 
		}
	}

	while(sz(a)%n) a.pb(0);

	compute();
	for(int i=0; i<sz(a); i+=n){
		vi cur;
		FOR(j,i,i+n) cur.pb(a[j]);

		ll x=encode(cur);
		ROF(j,0,m){
			Send((x>>j)&1);
		}
	}
}

Bruno

#include "Bruno.h"
#include "bits/stdc++.h"
using namespace std; 

typedef long long ll;
typedef vector<int>vi;
#define sz(v) (int)v.size()
#define pb push_back
#define FOR(i,a,b) for(int i=a; i<b; i++)
#define ROF(i,a,b) for(int i=b-1; i>=a; i--)

//-------------------------------------------------------------//

const int n=63,m=44;

ll ff[n];

vi decode(ll val){
	vi vec;
	ROF(i,0,n){
		if(ff[i]<=val){
			vec.pb(1);
			val-=ff[i];
		}
		else vec.pb(0);
	}
	return vec;
}

void Bruno(int N, int L, vi a){
	ff[0]=1; ff[1]=2;
	FOR(i,2,n) ff[i]=ff[i-1]+ff[i-2];

	vi vec;
	for(int i=0; i<sz(a); i+=m){
		ll cur=0;
		FOR(j,i,i+m){
			cur*=2;
			cur+=a[j];
		}
		
		vi v=decode(cur);
		for(int x: v) vec.pb(x);
	}

	int i=0; 
	while(vec[i]==0){
		Remove(i);
		i++;
	}
	int l=i,f=i; 
	i++;
	for(;i<N; i++){
		if(vec[i]){
			int r=i;
			ROF(j,l+1,i){
				Remove(j);
			}
			Remove(i);

			l=i;
		}
	}
	Remove(f);
}

Compilation message (stderr)

Bruno.cpp: In function 'void Bruno(int, int, vi)':
Bruno.cpp:55:8: warning: unused variable 'r' [-Wunused-variable]
   55 |    int r=i;
      |        ^

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95