sin

#include <iostream>
#include <math.h>
using namespace std;

int perm(int perm) {
    double s = perm;
    return (int (round((sin(s/10)*10))));
}

int main() {
    const int x = 120;
    const int y = 21;
    int matrix[x][y] = {0};
    for (int k = 0; k < x; k++)
    {
        matrix[k][perm(k)-11]++;
    }
    for (int k = 0; k < y; k++) { matrix[63][k] = 2; }
    for (int k = 0; k < x; k++) { matrix[k][10] = 2; }
    for (int q = 0; q < y; q++)
    {
        for (int b = 0; b < x; b++)
        {
            if (matrix[b][q] == 1) { cout << "="; }
            else {
                if (matrix[b][q] == 2) { cout << "="; }
                else { cout << "."; }
            }
        }
    }
    cout << matrix;
}