Cod sursa(job #1745126)

Utilizator Dan_RadulescuRadulescu Dan Dan_Radulescu Data 21 august 2016 12:39:32
Problema Suma si numarul divizorilor Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.13 kb
#include<fstream>
#include<math.h>
using namespace std;
ifstream fin("ssnd.in");
ofstream fout("ssnd.out");
int t,i,v[1000005],nrp,modulo=9973,m,k,d,v1,v2;
long long nrd,n,p,sum,prime[1000005];
void erat(){
    long long i,k,j;
    for (i=4;i<=1000000;i+=2)
        v[i]=1;
    nrp++;
    prime[nrp]=2;
    for (i=3;i<=1000000;i+=2)
      if (v[i]==0){
         nrp++;
         prime[nrp]=i;
         for (j=i*i;j<=1000000;j+=2*i)
            v[j]=1;
      }
}
int main(){
    erat();
    fin>>t;
    for (i=1;i<=t;i++){
        fin>>n;
        nrd=1;sum=1;
        for(k=1;k<=nrp && prime[k]*prime[k]<=n;k++){
            if (n%prime[k]==0){
                 d=0;p=prime[k];
                 while(n%prime[k]==0){
                    n=n/prime[k];
                    d++;
                    p=p*prime[k];
                 }
                 nrd*=(d+1);
                 sum*=((p-1)/(prime[k]-1))%modulo;
            }
        }
        if (n>1){
            nrd=nrd*2;
            sum*=(n+1)%modulo;
        }
        fout<<nrd<<" "<<sum%modulo<<'\n';
    }
    fin.close();
    fin.close();
    return 0;
}