diofantic

int diofantic(int n, int s[], int a, int b, int c)
{
    int nrp=0, i, j;
    for(i=1;i<n;++i)
    {
        for(j=i+1;j<=n;++j)
        {
            if(a*s[i]*s[i]+b*s[j]*s[j]==c)
                ++nrp;
            if(a*s[j]*s[j]+b*s[i]*s[i]==c)
                ++nrp;
            if((a*s[i]*s[i]+b*s[j]*s[j]>c)&&(a*s[j]*s[j]+b*s[i]*s[i]>c))
                break;
        }
        if((a*s[i]*s[i]+b*s[i+1]*s[i+1]>c)&&(a*s[i+1]*s[i+1]+b*s[i]*s[i]>c))
            break;
    }
    return nrp;
}