Submission #537700

#	Time	Username	Problem	Language	Result	Execution time	Memory
537700		Jarif_Rahman	Ancient Machine (JOI21_ancient_machine)	C++17	30 / 100	91 ms	9696 KiB

Anna

#include "Anna.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

namespace {

}


void Anna(int n, vector<char> s){
    for(int i = 0; i < n; i++){
        if(s[i] == 'X') Send(0), Send(0);
        else if(s[i] == 'Y') Send(0), Send(1);
        else Send(1);
    }
}

Bruno

#include "Bruno.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

namespace {
}

void Bruno(int n, int m, vector<int> A){
    str s = "";
    for(int i = 0; i < m; i++){
        if(A[i] == 0){
            if(A[i+1] == 0) s+="X";
            else s+="Y";
            i++;
        }
        else s+="Z";
    }

    list<pair<int, char>> ls;

    for(int i = 0; i < n; i++) ls.pb({i, s[i]});

    for(auto it = ls.begin(); it != ls.end();){
        if(it == ls.begin() || prev(it)->sc != it->sc){
            it++;
            continue;
        }

        Remove(it->f);
        it = ls.erase(it);
    }

    while(!ls.empty() && ls.begin()->sc != 'X')
        Remove(ls.begin()->f), ls.erase(ls.begin());    
    while(!ls.empty() && prev(ls.end())->sc != 'Z')
        Remove(prev(ls.end())->f), ls.erase(prev(ls.end()));

    if(ls.empty()) return;

    for(auto it = ls.begin(); it != ls.end();){
        if(it->sc != 'Z'){
            it++;
            continue;
        }
        for(auto it2 = prev(it); it2 != ls.begin();)
            Remove(it2->f), it2 = ls.erase(it2), it2--;
        Remove(it->f);
        it = ls.erase(it);
    }

    Remove(ls.begin()->f);
    ls.erase(ls.begin());
}

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