Cod sursa(job #3246240)

Utilizator MegaCoderMinoiu Teodor Mihai MegaCoder Data 2 octombrie 2024 14:56:51
Problema Farfurii Scor 90
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.62 kb
#include<fstream>
#include<vector>
#define ll long long
std::ifstream fin("farfurii.in");
std::ofstream fout("farfurii.out");
std::vector<int>ans(100005), ord(100005);
int main()
{
    int n, cnt=0;
    ll k;
    fin>>n>>k;
    for(int i=1; i<=n; ++i)
        ord[i]=n-i+1;

    while((1LL*n-1)*(n-2)/2>k)//1 2 ... q n-1 n-2 n-3 ...
    {
        --n;
        ++cnt;
        fout<<cnt<<' ';
    }
    ll total=n*(n-1)/2;
    int idx=n;
    while(total-idx+1<k)
        --idx;
    fout<<ord[idx]<<' ';
    for(int i=1; i<idx; ++i)
        fout<<ord[i]<<' ';
    for(int i=idx+1; i<=n; ++i)
        fout<<ord[i]<<' ';
    return 0;
}