Submission #1019823

#	Time	Username	Problem	Language	Result	Execution time	Memory
1019823		Unforgettablepl	Broken Device 2 (JOI22_device2)	C++17	10 / 100	478 ms	32812 KiB

Anna

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

const int M = 2000;

namespace {

pair<int,int> generate(long long x){
    long long curr = 0;
    for(int len=1;len<=M;len++){
        if(curr+2*len<x){
            curr+=2*len + 1;
            continue;
        }
        for(int turnedon=0;turnedon<=2*len;turnedon++){
            if(curr++==x)return {len,turnedon};
        }
    }
    assert(false);
}

}

int Declare() {return M;}

pair<vector<int>, vector<int>> Anna(long long A) {
    auto [len,ones] = generate(A);
    vector<int> a(len,0),b(len,0);
    for(int&i:a)if(ones){i=1;ones--;}
    for(int&i:b)if(ones){i=1;ones--;}
    return {a,b};
}

Bruno

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

const int M = 2000;

namespace {


long long generate(int tarlen,int taron){
    long long curr = 0;
    for(int len=1;len<=M;len++){
        if(len!=tarlen){
            curr+=2*len + 1;
            continue;
        }
        for(int turnedon=0;turnedon<=2*len;turnedon++){
            if(len==tarlen and turnedon==taron)return curr;
            curr++;
        }
    }
    assert(false);
}

}

long long Bruno(vector<int> u) {
    int len = u.size()/2;
    int ones = 0;
    for(int&i:u)ones+=i;
    return generate(len,ones);
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 3
• Subtask 4: 0 / 12
• Subtask 5: 0 / 15
• Subtask 6: 0 / 60