Фракталы

#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string>
#include <map>
#include <set>
#include <algorithm>
#include <vector>
#include <stdio.h>
#include <cmath>
#include <math.h>
#include <queue>
#include <stack>
#include <climits>
#include <deque>
#include <ctime>
#include <iomanip>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int ui;
typedef long double ld;

int main()
{
  ios_base::sync_with_stdio(0);
  freopen("input.txt", "rt", stdin);
  freopen("output.txt", "wt", stdout);
  ll n;
  ll k;
  cin » n » k;
  ll m = pow(n, k);
  vector<string> ans(m + 1);
  vector<string> op(n + 1);
  for (int i = 1; i <= n; i++)
  {
    cin » op[i];
    op[i] = " " + op[i];
  }
  for (int i = 1; i <= m; i++)
  {
    ans[i].push_back(' ');
    for (int j = 1; j <= m; j++)
      ans[i].push_back('.');
  }
  ll o = m;
  for (; k >= 1; k--)
  {
    o /= n;
    for (int i = 1; i <= m; i++)
    {
      for (int j = 1; j <= m; j++)
      {
        if (op[(((i-1) / o)%n)+1][(((j-1) / o)%n)+1] == '*')
          ans[i][j] = '*';
      }
    }
  }
  for (int i = 1;i<=m; i++)
  {
    for (int j = 1; j <ans[i].size() ; j++)
      cout « ans[i][j];
      cout « endl;;
  }

}