Cod sursa(job #2230441)

Utilizator nicolaefilatNicolae Filat nicolaefilat Data 10 august 2018 10:32:48
Problema Suma si numarul divizorilor Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.11 kb
#include <iostream>
#include <fstream>
#include <bitset>
#define MOD 9973
#define MAXN 1000001

using namespace std;

ifstream in("ssnd.in");
ofstream out("ssnd.out");

typedef long long ll;
ll nr_diviz,suma,v[MAXN],cnt;
bitset<MAXN>prim;

void ciur(){
    for(ll i = 2; i < MAXN; i++){
        if(!prim[i]){
            v[cnt++] = i;
            for(ll j = i + i; j < MAXN; j+= i)
                prim[j] = true;
        }
    }
}

void rez(ll n){
    ll i = 0,exp,d = v[i],put;
    nr_diviz = 1,suma = 1;

    while(d * d <= n){
        exp = 0;
        put = 1;
        while(n % d == 0){
            n /= d;
            exp++;
            put *= d;
        }
        if(exp > 0){
            nr_diviz *= (exp + 1);
            suma = (put * d - 1)/(d - 1);
        }
        d = v[i++];
    }
    if(n > 1){
        nr_diviz *= 2;
        suma *= (n + 1);
    }

}


int main()
{
    ll t;
    in>>t;

    ciur();

    for(ll i = 0; i < t; i++){
        ll nr;
        in>>nr;
        rez(nr);
        out<<nr_diviz<<" "<<suma % MOD<<"\n";
    }
    return 0;
}