Submission #417308

#	Time	Username	Problem	Language	Result	Execution time	Memory
417308		errorgorn	Ancient Machine (JOI21_ancient_machine)	C++17	30 / 100	98 ms	10832 KiB

Anna

#include "Anna.h"

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

#define ll long long
#define ii pair<ll,ll>
#define fi first
#define se second
#define endl '\n'

#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound

#define rep(x,s,e) for (auto x=s-(s>e);x!=e-(s>e);(s<e?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

namespace {
	int n;
	vector<char> s;
}

void Anna(int N, std::vector<char> S) {
	n=N;
	s=S;
	
	rep(x,0,n){
		if (s[x]=='X') Send(0),Send(0);
		if (s[x]=='Y') Send(0),Send(1);
		if (s[x]=='Z') Send(1),Send(0);
	}
}

Bruno

#include "Bruno.h"

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

#define ll long long
#define ii pair<ll,ll>
#define fi first
#define se second
#define endl '\n'

#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound

#define rep(x,s,e) for (auto x=s-(s>e);x!=e-(s>e);(s<e?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

namespace {
	int n,l;
	vector<int> bits;
	string s;

}  // namespace

void Bruno(int N, int L, std::vector<int> A) {
	n=N,l=L,bits=A;
	
	rep(x,0,n){
		if (bits[2*x]==0 && bits[2*x+1]==0) s+='X';
		if (bits[2*x]==0 && bits[2*x+1]==1) s+='Y';
		if (bits[2*x]==1 && bits[2*x+1]==0) s+='Z';
	}
	
	vector<int> stk;
	
	rep(x,0,n){
		if (s[x]=='X'){
			if (sz(stk)%2==0) stk.pub(x);
			else Remove(x);
		}
		else if (s[x]=='Y'){
			if (sz(stk)%2==1) stk.pub(x);
			else Remove(x);
		}
		else{
			while (sz(stk)>1){
				Remove(stk.back());
				stk.pob();
			}
			Remove(x);
		}
	}
	
	while (!stk.empty()){
		Remove(stk.back());
		stk.pob();
	}
}

• Subtask 1: 5 / 5
• Subtask 2: 25 / 95