Submission #1309114

#	Time	Username	Problem	Language	Result	Execution time	Memory
1309114		duongquanghai08	Ancient Machine (JOI21_ancient_machine)	C++20	5 / 100	33 ms	6436 KiB

Anna

#include "Anna.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 63;
void Anna(int n, vector<char> S) {
    vector<long long> f(100, 0);
    vector<int> a(n + 5, 0);
    f[0] = 1, f[1] = 2;
    for(int i = 2; i <= 63; i++) {
        f[i] = f[i - 1] + f[i - 2];
       // cout << f[i] << '\n';
    }
    bool check = false;
    int pos = 0;
    for(int i = 0; i < n; i++) {
        char x = S[i];
        if(x == 'X' && !check) {
            check = true;
            pos = i;
            a[i] = 1;
            continue;
        }
        if(!check) a[i] = 0;
        else {
            if(x == 'X' || x == 'Y') a[i] = 0;
            else a[i] = 1;
        }
  }
  if(a[pos] && a[pos + 1]) a[pos + 1] = 0;
  for(int i = pos + 2; i < n; i++) {
    if(a[i] && a[i - 1]) a[i - 1] = 0;
  }
  //for(int i = 0; i < n; i++) cout << a[i] << ' ';
 // cout << '\n';
  for(int i = 0; i < n; i += 63) {
    long long sum = 0;
    for(int len = 0; i + len < n && len <= 62; len++) {
        if(a[i + len]) sum += f[len];
    }
    for(int j = 0; j <= 43; j++) {
        if((sum >> j) & 1) Send(1);
        else Send(0);
    }
  }
}

Bruno

#include "Bruno.h"
#include <bits/stdc++.h>
using namespace std;
void Bruno(int n, int L, vector<int> A) {
    vector<long long> f(100, 0);
    vector<int> a(n + 100, 0);
    f[0] = 1, f[1] = 2;
    for(int i = 2; i <= 63; i++) f[i] = f[i - 1] + f[i - 2];
    int pre = 0;
    for(int i = 0; i < n; i += 63) {
        long long sum = 0;
        for(int j = pre; j <= pre + 43; j++) if(A[j]) sum |= (1LL << (j - pre));
        pre += 44;
        for(int len = 62; len >= 0; len--) {
            if(sum >= f[len]) a[i + len] = 1, sum -= f[len];
        }
    }
    //for(int i = 0; i < n; i++) cout << a[i] << ' ';
    //cout << '\n';
    bool check = false;
    int pos = -1;
    stack<int> st;
    for(int i = 0; i < n; i++) {
       // cout << 1111 << " " << A[i] << ' ';
        if(a[i] == 1 && !check) {
            check = true;
            pos = i;
            continue;
        }
        if(!check) {
                Remove(i);
                continue;
        }
        if(a[i] == 1) {
            while(!st.empty()) Remove(st.top()), st.pop();
            Remove(i);
        }
        else st.push(i);
    }
    while(!st.empty()) Remove(st.top()), st.pop();
    if(pos != -1) Remove(pos);
}

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