Cod sursa(job #2000479)

Utilizator Rodik_RodyRodica Vasilescu Rodik_Rody Data 13 iulie 2017 19:36:13
Problema Suma si numarul divizorilor Scor 10
Compilator c Status done
Runda Arhiva educationala Marime 1.09 kb
#include <stdio.h>
#include <stdlib.h>
#define File_in "ssnd.in"
#define File_out "ssnd.out"
#define MAX 1000000000
char prim[MAX];
int nr_div (int n){
    int nr = 2,i;
    if(n == 1 || n == 0 )
        return 1;
    for ( i= 2; i * i < n; i++ )
        if( n % i == 0)
        	nr += 2;
     if ( i * i == n)
        nr++;
     nr%=9973;
     return nr;
}
int sum_div (int n){
    int s = 1+ n ,i;
    if(n == 1 || n == 0 )
        return n;
    for ( i= 2; i * i < n; i++ )
        if( n % i == 0)
        	s += i + n/i;
     if ( i * i == n)
        s+=i;
     return s;
}
int main()
{
    freopen(File_in, "r", stdin);
    freopen(File_out, "w", stdout);
    int n,i,j,t,k;
    scanf("%d",&t);

    for ( k = 1; k <= t; k++)
    {
        scanf("%d",&n);
        for ( i = 2; i*i <= n; i++){
            if( prim[i] == 0)
                for(j= i*i; j<= n; j +=i)
                    prim[j] = 1;
        }
        if(prim[n]==0)
            printf("%d %d\n",2,1+n);
        else
            printf("%d %d\n", nr_div(n), sum_div(n));
    }

    return 0;
}