Cod sursa(job #582320)

Utilizator informatician28Andrei Dinu informatician28 Data 15 aprilie 2011 10:59:14
Problema Suma si numarul divizorilor Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.74 kb
#include<fstream>   
#include<math.h>
using namespace std;   
ifstream f("ssnd.in");   
ofstream g("ssnd.out");   
int prim[1000001],i,j,maxim;  
void ciur() { int k=0;    
for(i = 2; i < maxim; ++i) {         
if(prim[i] == 0) {            
for(j = i+i; j < maxim; j += i) {                 
prim[j] = 1;             
}         
}     
} 
}
int main()   
{ int t,fm,nr,suma,v[1001]; 
f>>t;    
for(j=1;j<=t;j++) 
{f>>v[j]; if(maxim<v[j]) maxim=v[j];} ciur(); 
for(j=1;j<=t;j++) 
{  nr=suma=1; 
if(!prim[v[j]]) {nr*=2; suma*=(1+v[j]);} 
else {i=2;   
do{fm=0; 
while(v[j]%i==0)       
{fm++; v[j]/=i;}       
nr*=(fm+1); 
suma*=(pow(i,(fm+1))-1)/(i-1); i++; }  
while(v[j]!=1); 
}g<<nr<<" "<<suma%9973<<'\n';} return 0;
}