Submission #1294544

#	Time	Username	Problem	Language	Result	Execution time	Memory
1294544		serkanrashid	Ancient Machine (JOI21_ancient_machine)	C++20	30 / 100	52 ms	7512 KiB

Anna

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

pair<int,int> encode(char c)
{
    pair<int,int>res = {0,0};
    if(c == 'X') res = {0,0};
    if(c == 'Y') res = {0,1};
    if(c == 'Z') res = {1,0};
    return res;
}

void Anna(int N, std::vector<char> S)
{
    for(int i = 0; i < N; i++)
    {
        pair<int,int> p = encode(S[i]);
        Send(p.first);
        Send(p.second);
    }
}

Bruno

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

char decode(pair<int,int> p)
{
    if(p == make_pair(0,0)) return 'X';
    if(p == make_pair(0,1)) return 'Y';
    if(p == make_pair(1,0)) return 'Z';
}


const int MAXN = 1e5 + 5;
char s[MAXN];

void Bruno(int N, int L, std::vector<int> A)
{
    for(int j = 0; j < A.size(); j += 2)
    {
        s[j/2 + 1] = decode({A[j],A[j+1]});

    }

    vector<int>br;

    for(int i = 1; i <= N; i++)
    {
        if(s[i] == 'X') br.push_back(i);
        else if(s[i] == 'Y')
        {
            if(br.size()) br.push_back(i);
            else Remove(i-1);
        }
        else if(s[i] == 'Z')
        {
            while(br.size() >= 2)
            {
                Remove(br.back() - 1);
                br.pop_back();
            }
            Remove(i-1);
        }

    }
    while(br.size() >= 1)
    {
        Remove(br.back() - 1);
        br.pop_back();
    }
}

Compilation message (stderr)

# 2번째 컴파일 단계

Bruno.cpp: In function 'char decode(std::pair<int, int>)':
Bruno.cpp:10:1: warning: control reaches end of non-void function [-Wreturn-type]
   10 | }
      | ^

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