Cod sursa(job #522948)

Utilizator BlaugranasEnal Gemaledin Blaugranas Data 16 ianuarie 2011 18:54:50
Problema Suma si numarul divizorilor Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.49 kb
#include<fstream.h>
#include<iostream.h>
#include<math.h>
#define N 1000000
int test,u,p[N]={0},nr;
long long n,t,s;
long v[N],k,i,j,r,q;

long long put(long x,long n)
{if(n==0)
      return 1;
if(n%2==0)
      return put(x,n/2)*put(x,n/2);
else
      return x*put(x,(n-1)/2)*put(x,(n-1)/2);}

void sieve(long x[N],long *k,int p[N])
{long i;
for(i=2;i<=N;i++)
if(p[i]==0)
      {x[++(*k)]=i;
      for(j=i+i;j<=N;j+=i)
            p[j]=1;}}
            
int main()
{fstream f1("ssnd.in",ios::in);
fstream f2("ssnd.out",ios::out);
f1>>test;
k=0;
sieve(v,&k,p);
for(u=1;u<=test;u++)
     {f1>>n;
     j=0;
     t=n;
     i=1;
     s=1;
     nr=1;
     while(t!=1&&v[i]<=sqrt(n))
           {while(t%v[i]==0)
                  {j++;
                  t/=v[i];
                  if(t==1)
                         {nr=nr*(j+1);
                         if(j==1)
                               s=s*(v[i]+1);
                         else
                               s=s*(put(v[i],j+1)-1)/(v[i]-1);
                         j=0;}}
           if(j!=0)
                  {nr=nr*(j+1);
                  if(j==1)
                               s=s*(v[i]+1);
                         else
                               s=s*(put(v[i],j+1)-1)/(v[i]-1);
                  j=0;}
           i++;}
     if(t>1)
           {nr=nr*2;
           s=s*(t+1);}
     if(s==1)
           {nr=2;
           s+=n;}
     f2<<nr<<" "<<s%9973<<endl;}
f1.close();
f2.close();
return 0;}