Cod sursa(job #2506435)

Utilizator ViAlexVisan Alexandru ViAlex Data 8 decembrie 2019 09:18:32
Problema Farfurii Scor 60
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.92 kb
#include<bits/stdc++.h>
using namespace std;


ifstream in("farfurii.in");
ofstream out("farfurii.out");

int n,k;
deque<int> values;

void read()
{
    in>>n>>k;
    for(int i=0; i<n; i++)
    {
        values.push_back(n-i);
    }
}

void prt_deque()
{
    for(int i=0; i<n; i++)
        out<<values[i]<<" ";
    out<<endl;

}

void solve()
{
    int perm_number=(n-1)*(n)/2;

    int index=1;

    int sett=0;

    while(perm_number!=k)
    {

        int here=values[n-index];
        int before=n-index-sett;
        int after=index-1;

        int total=before+after;

        int perm_now=(total-1)*(total)/2+after;

        if(perm_now>=k)
        {
            perm_number=perm_now;
            values.erase(values.end()-index);
            values.insert(values.begin()+sett,here);
            sett++;
        }
        else
        {
            index++;
        }
    }

    prt_deque();


}


int main()
{
    read();
    solve();
}