Cod sursa(job #581427)

Utilizator informatician29kill03 informatician29 Data 14 aprilie 2011 10:22:35
Problema Suma si numarul divizorilor Scor 70
Compilator cpp Status done
Runda Arhiva educationala Marime 0.74 kb
#include<fstream>  
#include<cmath>
using namespace std;  
ifstream f("ssnd.in");  
ofstream g("ssnd.out");  
int prim(long long numar)
{long long d; int ok;
ok=1;
for(d=2;d<=sqrt(numar);d++)
	if(numar%d==0) ok=0;
return ok;
}
long long powA(long long baza, long long exponent) 
{long long k,putere; 
putere=1;  
for(k=1;k<=exponent+1;k++) 
    putere*=baza; 
return putere;  
} 
int main()  
{  long long n,nrdiv,sumadiv,j,fm,i; int t;
f>>t;   
for(j=1;j<=t;j++)  
{  
f>>n; nrdiv=sumadiv=1; if(prim(n)) {nrdiv*=2; sumadiv*=(1+n);} 
else {i=2;  
do{fm=0;
while(n%i==0)      
{fm++;       
n/=i;}      
nrdiv*=(fm+1);        
sumadiv*=(powA(i,fm)-1)/(i-1); 
i++;      
}while(n!=1);  
}g<<nrdiv<<" "<<sumadiv%9973<<'\n';}

}