Cod sursa(job #581817)

Utilizator informatician29kill03 informatician29 Data 14 aprilie 2011 16:53:33
Problema Suma si numarul divizorilor Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.9 kb
#include<fstream>   

using namespace std;   
ifstream f("ssnd.in");   
ofstream g("ssnd.out");   
long long prim[10001];  
long long ma,i,j;
void ciur(long long num) 
{ 
for(i=2;i<=num;i++)     
prim[i]=1; 
for(i=2;i<=num;i++) 
if(prim[i])      
for(j=i*i;j<=num;j+=i)           
prim[j]=0;  
}    
long long powA(int baza, int exponent)  
{int k; long long putere;  
putere=1;   
for(k=1;k<=exponent+1;k++)       
putere*=baza;
	return putere;   
}  
int main()   
{ long long nr,suma; 
int t,fm,v[1001]; 
f>>t;    
for(j=1;j<=t;j++)
{f>>v[j]; if(ma<v[j]) ma=v[j];} ciur(ma);
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*=(powA(i,fm)-1)/(i-1);
if(prim[v[j]]==0 ) i++; 
else i=v[j];

}  
while(v[j]!=1);
}
g<<nr<<" "<<suma%9973<<'\n';} 
}