Cod sursa(job #2086740)

Utilizator bebeetarepredescu bebeetare Data 12 decembrie 2017 13:49:52
Problema Farfurii Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.67 kb
#include <fstream>
#include <cmath>

using namespace std;
long long n,m,i,k;
ifstream f("farfurii.in");
ofstream g("farfurii.out");
int main()
{
    f>>n>>k;
    m=sqrt(k);
    while((m*(m-1))/2<=k)
    {
        m++;
    }
    m--;
    if((m*(m-1))/2==k)
    {
        for(i=1;i<=n-m;i++)
        {
            g<<i<<" ";
        }
        for(i=n;i>=n-m+1;i--)
        {
            g<<i<<" ";
        }
    }
    else
    {
        for(i=1;i<=n-m-1;i++)
        {
            g<<i<<" ";
        }
        g<<n-((m+1)*m/2-k)<<" ";
        for(i=n;i>=n-m;i--)
        {
            if(i!=n-((m+1)*m/2-k))g<<i<<" ";
        }
    }
    return 0;
}