Cod sursa(job #1997855)

Utilizator MaligMamaliga cu smantana Malig Data 5 iulie 2017 16:26:41
Problema Suma si numarul divizorilor Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.71 kb
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <ctime>
#include <algorithm>

using namespace std;
ifstream in("ssnd.in");
ofstream out("ssnd.out");

#define ll long long
#define pb push_back
const int inf = 1e9 + 5;
const ll NMax = 12e6 + 5;
const ll PMax = 1e6 + 5;
const int mod = 9973;

int nrPrimes;
int primes[NMax];
bool notPrime[NMax];

ll pw(ll,ll);

int main() {

    primes[++nrPrimes] = 2;
    for (int i=3;i <= PMax;i += 2) {
        if (notPrime[i]) {
            continue;
        }
        primes[++nrPrimes] = i;

        for (int j=3*i;j <= PMax; j += 2*i) {
            notPrime[j] = true;
        }
    }

    /*
    for (int i=1;i <= 27;++i) {
        cout<<primes[i]<<' ';
    }
    */


    ll T;
    in>>T;

    while (T--) {
        ll N;

        in>>N;

        ll nrDiv = 1,nrTop = 1,nrBot = 1,p;
        for (int i=1;(p = primes[i]) != 0 && p*p <= N;++i) {
            if (N % p != 0) {
                continue;
            }

            int d = 0;
            while (N % p == 0) {
                ++d;
                N /= p;
            }

            nrDiv *= (d+1);
            nrTop = (nrTop * (pw(p,d+1) - 1 + mod)) % mod;
            nrBot = (nrBot * (p-1)) % mod;
        }
        if (N != 1) {
            nrDiv *= 2;
            nrTop = (nrTop * (N+1)) % mod;
        }

        out<<nrDiv<<' '<<(nrTop*pw(nrBot,mod-2)) % mod<<'\n';
    }

    in.close();out.close();
    return 0;
}

ll pw(ll base,ll exp) {
    ll ans = 1;
    while (exp) {
        if (exp & 1) {
            ans = (ans * base) % mod;
        }
        base = (base * base) % mod;
        exp >>= 1;
    }

    return ans;
}