Submission #1198812

#	Time	Username	Problem	Language	Result	Execution time	Memory
1198812		mychecksedad	Ancient Machine (JOI21_ancient_machine)	C++20	45 / 100	48 ms	7104 KiB

Anna

#include "Anna.h"
/* Author : Mychecksdead  */
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 2000+100, M = 1e5+10, K = 52, MX = 30;

namespace {

int variable_example = 0;

}

void Anna(int n, std::vector<char> S) {
  stack<pair<int, char>> st;
  vector<bool> A(n);

  vector<bool> Z;

  for(int i = 0; i < n; ++i){
    if(st.empty() && S[i] == 'X'){
      st.push({i, S[i]});
      A[i] = 1;
      Z.pb(0);
    }else{
      if(!st.empty()){
        if(S[i] == 'X'){
          if(st.top().ss == 'Y'){
            st.push({i, S[i]});
            Z.pb(0);
          }
        }else if(S[i] == 'Y'){
          if(st.top().ss == 'X'){
            st.push({i, S[i]});
          }
        }else{
          if(st.size() == 1 || st.top().ss == 'Z'){
            continue;
          }
          if(st.top().ss == 'X'){
            st.pop();
            Z.pop_back();
          }
          Z.pb(1);
          A[i] = 1;
          while(st.size() > 1){
            A[st.top().ff] = 1;
            st.pop();
          }
        }
      }
    }
  }
  for(int i = 0; i < n; ++i){
    Send(A[i]);
  }
  for(int x: Z) Send(x);
}

Bruno

#include "Bruno.h"
/* Author : Mychecksdead  */
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 2000+100, M = 1e5+10, K = 52, MX = 30;

namespace {

int variable_example = 0;

int FunctionExample(int P) { return 1 - P; }

}  // namespace

void Bruno(int n, int L, std::vector<int> A) {
  int nice = 0;
  vi R, Z;
  for(int i = 0; i < n; ++i){
    if(A[i] == 0){
      Remove(i);
    }else R.pb(i);
  }
  for(int i = n; i < L; ++i) Z.pb(A[i]);
  if(R.empty()){
    // do nothing
  }else{  
    stack<int> st;
    for(int i = 0; i < R.size(); ++i){
      if(i % 2 == 1){
        st.push(R[i]);
      }else{
        if(Z[i / 2]){
          while(st.size() > 1){
            Remove(st.top());
            st.pop();
          }
          Remove(R[i]);
        }else{
          st.push(R[i]);
        }
      }
    }
    Remove(st.top());
  }
}

• Subtask 1: 5 / 5
• Subtask 2: 40 / 95