Submission #427504

# Submission time Handle Problem Language Result Execution time Memory
427504 2021-06-14T16:18:54 Z Osama_Alkhodairy Ancient Machine (JOI21_ancient_machine) C++17
69 / 100
88 ms 9072 KB
#include <bits/stdc++.h>
#include "Anna.h"
using namespace std;

void Anna(int N, std::vector<char> S) {
    int firstX = N;
    for(int i = 0 ; i < N ; i++){
        if(S[i] == 'X'){
            firstX = i;
            break;
        }
    }
    int lastZ = N;
    for(int i = N - 1 ; i >= 0 ; i--){
        if(S[i] == 'Z'){
            lastZ = i;
            break;
        }
    }
    for(int i = 16 ; i >= 0 ; i--){
        Send((firstX >> i) & 1);
    }
    for(int i = 16 ; i >= 0 ; i--){
        Send((lastZ >> i) & 1);
    }
    vector <int> f(N);
    for(int i = firstX + 1 ; i < lastZ ; i++){
        if(S[i] == 'Y' && S[i - 1] != 'Y'){
            f[i] = 1;
            if(S[i - 1] == 'Z') f[i - 1] = 1;
        }
    }
    for(int i = 0 ; i < N ; i++){
        Send(f[i]);
    }
}
#include <bits/stdc++.h>
#include "Bruno.h"
using namespace std;

void Bruno(int N, int L, std::vector<int> A) {
    reverse(A.begin(), A.end());
    auto get = [&](){
        assert(A.size());
        int x = A.back();
        A.pop_back();
        return x;
    };
    int firstX = 0;
    for(int i = 0 ; i < 17 ; i++){
        firstX = 2 * firstX + get();
    }
    int lastZ = 0;
    for(int i = 0 ; i < 17 ; i++){
        lastZ = 2 * lastZ + get();
    }
    if(firstX == N || lastZ == N){
        for(int i = 0 ; i < N ; i++){
            Remove(i);
        }
        return;
    }
    string S(N, ';');
    S[firstX] = 'X';
    S[lastZ] = 'Z';
    vector <int> f(N);
    for(int i = 0 ; i < N ; i++){
        f[i] = get();
    }
    for(int i = lastZ - 1 ; i > firstX ; i--){
        if(f[i]){
            S[i] = 'Y';
            if(f[i - 1]) S[i - 1] = 'Z';
            else S[i - 1] = 'X';
            i--;
        }
    }
    for(int i = 0 ; i < N ; i++){
        if(S[i] == ';') Remove(i);
    }
    vector <int> g;
    for(int i = 0 ; i < N ; i++){
        if(S[i] == ';') continue;
        if(S[i] == 'X'){
            if(g.size() && S[g.back()] == 'X'){
                Remove(i);
            }
            else g.push_back(i);
        }
        else if(S[i] == 'Y'){
            g.push_back(i);
        }
        else{
            if(g.size() && S[g.back()] == 'X'){
                Remove(i);
            }
            else{
                while(g.size() > 1){
                    Remove(g.back());
                    g.pop_back();
                }
                Remove(i);
            }
        }
    }
    for(auto &i : g) Remove(i);
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 764 KB Output is correct
2 Correct 1 ms 488 KB Output is correct
3 Correct 1 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 1 ms 488 KB Output is correct
6 Correct 1 ms 508 KB Output is correct
7 Correct 2 ms 488 KB Output is correct
8 Correct 1 ms 500 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 1 ms 500 KB Output is correct
11 Correct 1 ms 496 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 84 ms 8648 KB Partially correct
2 Partially correct 71 ms 8700 KB Partially correct
3 Partially correct 74 ms 8676 KB Partially correct
4 Partially correct 72 ms 8676 KB Partially correct
5 Partially correct 75 ms 8604 KB Partially correct
6 Partially correct 73 ms 8720 KB Partially correct
7 Partially correct 74 ms 8640 KB Partially correct
8 Partially correct 81 ms 8724 KB Partially correct
9 Partially correct 74 ms 8624 KB Partially correct
10 Partially correct 72 ms 8768 KB Partially correct
11 Partially correct 88 ms 8696 KB Partially correct
12 Partially correct 73 ms 8728 KB Partially correct
13 Partially correct 74 ms 8944 KB Partially correct
14 Partially correct 72 ms 8704 KB Partially correct
15 Partially correct 67 ms 9072 KB Partially correct
16 Partially correct 65 ms 8700 KB Partially correct
17 Partially correct 71 ms 8464 KB Partially correct
18 Partially correct 77 ms 8332 KB Partially correct
19 Partially correct 83 ms 8436 KB Partially correct
20 Partially correct 68 ms 8812 KB Partially correct
21 Partially correct 63 ms 8796 KB Partially correct
22 Partially correct 77 ms 8792 KB Partially correct
23 Partially correct 71 ms 8596 KB Partially correct
24 Partially correct 68 ms 8672 KB Partially correct
25 Partially correct 83 ms 8380 KB Partially correct
26 Partially correct 74 ms 8464 KB Partially correct
27 Partially correct 71 ms 8776 KB Partially correct
28 Partially correct 72 ms 8368 KB Partially correct
29 Partially correct 77 ms 8336 KB Partially correct
30 Partially correct 71 ms 8464 KB Partially correct
31 Partially correct 71 ms 8444 KB Partially correct
32 Partially correct 69 ms 8704 KB Partially correct
33 Partially correct 71 ms 8720 KB Partially correct