Cod sursa(job #1076269)
| Utilizator | Data | 9 ianuarie 2014 23:45:41 | |
|---|---|---|---|
| Problema | Indep | Scor | 20 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.6 kb |
#include <fstream>
using namespace std;
ifstream in("indep.in");
ofstream out("indep.out");
int n,v[501],i,j;
long long d[501][1005];
int cmmdc(int a,int b)
{
int r;
while(b!=0)
{
r = a%b;
a = b;
b = r;
}
return a%1000000000;
}
int main()
{
in>>n;
for(i=1; i<=n; i++)
in>>v[i];
d[0][0]=1;
for(i=1; i<=n; i++)
{
for(j=0; j<=1000; j++)
d[i][cmmdc(j,v[i])]+=d[i-1][j];
for(j=0; j<=1000; j++)
d[i][j]+=d[i-1][j];
}
out << d[n][1]%1000000000;
return 0;
}
