Ruudukko

#include <iostream>
using namespace std;
int main() {
    string s = 
"....................\n"
"..#################.\n"
"#...................\n"
"#..################.\n"
"##..................\n"
"##..###############.\n"
"###.................\n"
"###..##############.\n"
"####................\n"
"####..#############.\n"
"#####...............\n"
"#####..############.\n"
"######..............\n"
"######..###########.\n"
"#######.............\n"
"#######..##########.\n"
"########............\n"
"########..#########.\n"
"#########...........\n"
"###################.\n";
    int n;
    cin>>n;
    int q = 1;
    for(int i = 0; i < 20; i += 2) {
        if((n & q) == 0) s[21*i+18] = '#';
        q *= 2;
    }
    cout<<s;

}

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