Cod sursa(job #1160175)

Utilizator TimitocArdelean Andrei Timotei Timitoc Data 30 martie 2014 12:35:25
Problema Suma si numarul divizorilor Scor 40
Compilator cpp Status done
Runda Arhiva educationala Marime 1.1 kb
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>

using namespace std;

int t, a, nrd, suma;

int putere(int x, int y)
{
    int n=x;
    int rez=1;
    for(int i=0; 1<<i<=y; i++){
        if((1<<i) & y){
            rez*=n;
        }
        n = n*n;
    }
    return rez;
}

void diviz(int a)
{
    nrd = 1; suma = 1;
    int d=2, e=0;
    while(a%d==0){
        a/=d;
        e++;
    }
    nrd *= (e+1);
    suma*= ((putere(d, e+1)-1)/(d-1));
    suma%=9973;
    for(d=3; d*d<=a; d+=2){
        e = 0;
        while(a%d==0){
            a/=d;
            e++;
        }
        if(e){
            nrd *= (e+1);
            suma*= ((putere(d, e+1)-1)/(d-1));
            suma%=9973;
        }
    }
    if(a!=1){
        nrd *= 2;
        suma*= (a*a-1)/(a-1);
        suma%=9973;
    }
    printf("%d %d\n", nrd, suma);
}

int main()
{
    freopen("ssnd.in", "r", stdin);
    freopen("ssnd.out", "w", stdout);

    scanf("%d", &t);
    for(int i=0; i<t; i++){
        scanf("%d ", &a);
        diviz(a);
    }
    return 0;
}