Ruudukko

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <set>
#include <iomanip>

#define uint unsigned int
#define INF 999999999
#define ll long long
#define M 1000000007
#define E 0.0000001
#define N 131072

using namespace std;

int main () {
    int k;
    cin>>k;
    int q = k / 105;
    char c[20][20];
    k -= q * 105;
    for (int y = 0; y < 20; y++) {
        for (int x = 0; x < 20; x++) {
            c[y][x] = '#';
        }
    }

    for (int y = 0; y < 20; y++) {
        for (int x = 0; x < 3; x++) {
            if (y < 14 || (x == 2 && y < 18)) c[y][x] = '.';
        }
    }
    for (int x = 0; x < q; x++) {
        c[18][x + 2] = '.';
    }
    for (int x = 0; x < 20; x++) {
        c[19][x] = '.';
    }

    q = k / 20;
    k -= 20 * q;
    c[0][3] = '.';
    for (int y = 0; y < 20; y++) {
        for (int x = 0; x < 5; x++) {
            if ((y < 4 && x < 4) || (x == 4 && y < 15 && y >= 3)) c[y][x] = '.';
        }
    }
    c[3][4] = '.';
    for (int x = 0; x < q; x++) {
        c[15][x + 4] = '.';
    }
    for (int x = 4; x < 13; x++) {
        c[16][x] = '.';
    }
    c[17][12] = '.';
    c[18][12] = '.';

    for (int x = 0; x < 19; x++) {
        c[0][x] = '.';
    }
    if (k == 20) {
        for (int y = 0; y < 20; y++) {
            c[y][18] = '.';
            c[y][19] = '.';
        }
    } else if (k == 19) {
        for (int y = 1; y < 20; y++) {
            c[y][18] = '.';
            c[y][19] = '.';
        }
    } else {
        for (int y = 1; y < k + 1; y++) {
            c[y][18] = '.';
            c[y][19] = '.';
        }
        for (int y = 1; y < 20; y++) {
            c[y][19] = '.';
        }
    }

    for (int y = 0; y < 20; y++) {
        for (int x = 0; x < 20; x++) {
            cout<<c[y][x];
        }
        cout<<endl;
    }
}

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