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Triangle_and_Tree.cpp
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Triangle_and_Tree.cpp
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#include <string>
#include <iostream>
#include <fstream>
#include <cmath>
std::string binary_tree(int n);
std::string sierpinski(int n);
int main(int argc, char **argv){
std::ofstream file("l-system.txt");
file << "+ + + + + + " << binary_tree(atoi(argv[1]));
file.close();
return 0;
}
std::string sierpinski(int n){
if(n == 0){
return "F + F + F";
}
else{
std::string string;
for(int i = 0; i < 3; i++){
string += sierpinski(n - 1);
string += " + ";
for(int j = 0; j < pow(2, n); j++){
string += "F ";
}
if(i < 2){
string += "+ ";
}
}
return string;
}
}
std::string binary_tree(int n){
if(n == 0){
return "F B";
}
else{
std::string string;
string += binary_tree(n - 1);
string += " F - ";
string += binary_tree(n - 1);
string += " + + ";
string += binary_tree(n - 1);
string += " - B ";
return string;
}
}