Cod sursa(job #582924)

Utilizator informatician28Andrei Dinu informatician28 Data 16 aprilie 2011 18:06:14
Problema Suma si numarul divizorilor Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 0.65 kb
#include<fstream>
#include<cmath>
using namespace std;
ifstream f("ssnd.in");
ofstream g("ssnd.out");
const int MAX_N=1000005; 
long long p,s,nr,k,s1,viz[MAX_N],P[MAX_N],l=0,q,w;
void ciur()
{for(q=2;q<=sqrt(MAX_N);q++) {
	if(viz[q]==0) {
		P[++l]=q; 
		for(w=q*q;w<=MAX_N;w+=q)viz[w]=1;
		
	}
}
}
long long rid(int baza,int expo) 
{p=1;
	for(k=1;k<=expo+1;k++) 
	p*=baza; 
return p; 
}
int main()
{int i,t,j,fm,n;
f>>t;
for(i=1;i<=t;i++)
{f>>nr; n=s=1;  if(P[nr]) {n*=2; s*=(nr+1); } else {j=2; 
do
{fm=0;
while(nr%j==0) {fm++; nr/=j;} n*=(fm+1);  
s*=(rid(j,fm)-1)/(j-1);
j++;
}while(nr!=1); 
}g<<n<<" "<<s%9973<<'\n';}
return 0;
}