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#include <iostream>
inline int TypeStars(int _n)
{
if (_n == 0)
{
return 0;
}
else
{
for (int i = 0; i < _n; i++)
{
for (int j = i + 1; j < _n ; j++)
{
std::cout << " ";
}
for (int k = 0; k < 2 * i + 1; k++)
{
std::cout << "*";
}
std::cout << "\n";
}
return 1;
}
}
int main (void) {
int num = -1;
std::cin >> num;
TypeStars(num);
return 0;
}