Cod sursa(job #2349645)

Utilizator cyg_SerbanBFlorin Gheorghe cyg_SerbanB Data 20 februarie 2019 17:02:29
Problema Fractal Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.09 kb
#include <cstdio>
using namespace std;
const int nmax=20;
int nr=1,c=1,d,n;
long long int a[nmax],b[nmax],exp[nmax];
void backtracking(int p,int st,int dr,int numb)
{
    if(p>n)
    {
        nr=nr+numb;
        if(st<dr && st+dr<c+d)
            c=st,d=dr;
        return;
    }
    int i,j=1;
    for(i=0;i<=b[p];++i)
    {
        if(i==b[p])
             backtracking(p+1,st*j,dr,numb*(b[p]+1));
        else
            backtracking(p+1,st,dr*exp[p],numb);
        j*=a[p];
    }
}
int main()
{
    int k,x;
    scanf("%d",&k);
    for(; k; --k)
    {
        scanf("%d",&x);
        int i,j;
        nr=1,c=1,d=x,n=0;
        for(i=2,j=x; i*i<=j; ++i)
            if(j%i==0)
            {
                a[++n]=i;
                b[n]=0;
                while(j%i==0) b[n]++,j/=i;
            }
        if(i<=j)++n,a[n]=j,b[n]=1;
        for(i=1;i<=n;++i)
        {
            exp[i]=a[i];
            for(j=2;j<=b[i];j++)
                exp[i]*=a[i];
        }
        backtracking(1,1,1,1);
        printf("%d %d %d",nr/2,c,d);
    }

    return 0;
}