Cod sursa(job #753523)

Utilizator DumitracheIulianDumitrache Iulian DumitracheIulian Data 29 mai 2012 22:59:01
Problema Indep Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.42 kb
#include <fstream>
#include <algorithm>

using namespace std;

inline int cmmdc(int a, int b)
{
    if (b == 0) return a;
    return cmmdc(b, a % b);
}

int N, V[502];
int num[1002];//[202];

/*void add(int pos1, int pos2)
{
    num[pos1][0] = max(num[pos1][0], num[pos2][0]);

    for (int i = 1; i <= num[pos1][0]; ++i)
    {
        num[pos1][i] += num[pos2][i];
        if (num[pos1][i] >= 10)
        {
            num[pos1][i + 1] += num[pos1][i] / 10;
            num[pos1][i] %= 10;
            num[pos1][0] += (i == num[pos1][0]);
        }
    }
}
void dub(int pos)
{
    for (int i = 1; i <= num[pos][0]; ++i)
        num[pos][i] *= 2;
    for (int i = 1; i <= num[pos][0]; ++i)
        if (num[pos][i] >= 10)
        {
            num[pos][i + 1] += num[pos][i] / 10;
            num[pos][i] %= 10;
            num[pos][0] += (i == num[pos][0]);
        }
}
*/
int main()
{
    ifstream in("indep.in");
    ofstream out("indep.out");

    //num[0][0] = num[0][1] = 1;
    num[0]=1;

    in >> N;
    for (int i = 1; i <= N; ++i)
        in >> V[i];

    for (int i = 1; i <= N; ++i)
    {
        for (int j = 1; j <= 1000; ++j)
            num[cmmdc(V[i],j)]+=num[j];
        num[V[i]]+=num[0];
    }

    //if (num[1][0] == 0) num[1][0] = 1;
    //for (int i = num[1][0]; i >= 1; --i)
        //fout << num[1][i];
    out<<num[1];

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