#include <iostream>
#include <string>
using namespace std;
void makeLevel(int n)
{
cout << "*" << endl;
string out ="**";
for(int level=1;level<=n;++level){
cout << out << endl;
out.push_back('*');
}
}
void tree(int n)
{
for(int i=1;i<=n;++i){
makeLevel(i);
}
}
{
cout << "*" << endl;
string out ="**";
for(int level=1;level<=n;++level){
cout << out << endl;
out.push_back('*');
}
}
void tree(int n)
{
for(int i=1;i<=n;++i){
makeLevel(i);
}
}
int main()
{
int n;
cin >> n;
tree(n);
return 0;
}
Объяснение:
