Ruudukko

#include <iostream>
#include <string>
#include <vector>

std::vector<std::string>M{
  "..................#.",
  "..#################.",
  "#.................#.",
  "#..################.",
  "##................#.",
  "##..###############.",
  "###...............#.",
  "###..##############.",
  "####..............#.",
  "####..#############.",
  "#####.............#.",
  "#####..############.",
  "######............#.",
  "######..###########.",
  "#######...........#.",
  "#######..##########.",
  "########..........#.",
  "########..#########.",
  "#########.........#.",
  "###################.",
};

int main(){
  int k;std::cin>>k;
  for(int i=0;i<10;++i)if(k&(1<<i))M[2*i][18]='.';
  for(auto&s:M)std::cout<<s<<'\n';
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED