Cod sursa(job #2021401)

Utilizator refugiatBoni Daniel Stefan refugiat Data 13 septembrie 2017 17:04:57
Problema Planeta Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.57 kb
#include <iostream>
#include<fstream>
using namespace std;
ifstream si("planeta.in");
ofstream so("planeta.out");
long long v[100];
void backt(int l,int r,long long k)
{
    int i=l;
    for(;v[i-l]*v[r-i]<=k&&i<=r;i++)
        k-=v[i-l]*v[r-i];
    so<<i<<' ';
    if(l<i)
        backt(l,i-1,k/v[r-i]);
    if(i<r)
        backt(i+1,r,k%v[r-i]);
}
int main()
{
    int n;
    long long x;
    si>>n>>x;
    int i,j;
    v[0]=1;
    for(i=1;i<=n;i++)
        for(j=1;j<=i;j++)
            v[i]=v[i]+v[i-j]*v[j-1];
    backt(1,n,--x);
    return 0;
}