#include <iostream>
#include <cmath>
 
const double pi = 3.14159265358979323846;
 
double deform(double x, double y, double z, double T, double a, double P)
{
    double def = (1 + P) / (1 - (4 * T / (3 * pow(a, 2))) * (pow(x, 2) + pow(y, 2) + pow(z, 2) - pow(a, 2)));
    return def;
}
 
int main()
{
    const int size = 50;
    char screen[size][size];
    double a = 10.0;
    double T = 2.0;
    double P = 0.3;
    double step = a / (size - 1);
 
    for (int i = 0; i < size; i++) {
        for (int j = 0; j < size; j++) {
            for (int k = 0; k < size; k++) {
                double x = (i * step) - (a / 2);
                double y = (j * step) - (a / 2);
                double z = (k * step) - (a / 2);
 
                double def = deform(x, y, z, T, a, P);
 
                int si = (int)round(def * i);
                int sj = (int)round(def * j);
                int sk = (int)round(def * k);
 
                if (si >= 0 && si < size && sj >= 0 && sj < size && sk >= 0 && sk < size) {
                    screen[si][sj] = 'o';
                }
            }
        }
    }
 
    for (int j = 0; j < size; j++) {
        for (int i = 0; i < size; i++) {
            std::cout << screen[i][j];
        }
        std::cout << std::endl;
    }
 
    return 0;
}
 

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