Cod sursa(job #2419206)

Utilizator qThunderStefan Durlanescu qThunder Data 7 mai 2019 19:42:35
Problema Principiul includerii si excluderii Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.29 kb
#include <fstream>
#include <cmath>
using namespace std;
ifstream fin("cmmmc.in");
ofstream fout("cmmmc.out");
int n,k,que[400004],v[400004],c[400004],p,u,p1,l,a,n1,s,nr;
long long maxim;
long long comb(int nn,int pp)
{
    int nrr=1;
    for(int i=nn;i>=(nn-(nn-pp));i--)
        nrr*=i;
    for(int i=1;i<=nn-pp;i++)
        nrr/=i;
    return nrr/2;
}
int main()
{
    fin>>n;
    c[0]=c[1]=1;
    for(int i=2;i*i<=45000;i++)
    {
        if(c[i]==0)
        {
            v[++n1]=i;
            for(int j=i;j*i<=45000;j++)
                c[i*j]=1;
        }
    }
    for(int i=1;i<=n;i++)
    {
        fin>>k;
        int k1=k;
        s=0;
        nr=1;
        for(int j=1;j<=n1 && v[j]<=k;j++)
        {
            if(k%v[j]==0)
            {
                s++;
                int t=0;
                while(k%v[j]==0)
                {
                    k/=v[j];
                    t++;
                }
                nr*=(t+1);
            }
        }
        if(s%2==0)
            nr+=comb(s,s/2);
        fout<<nr<<" ";
        for(int j=sqrt(k1);j>=1;j--)
        {
            if(k1%j==0)
            {
                fout<<min(j,k1/j)<<" "<<max(j,k1/j)<<"\n";
                break;
            }
        }
    }
    return 0;
}