#include <iostream>
using namespace std;
int main(){
int n = 6;
cout << "pola1"<<endl;
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= i; j++) {
cout << " ";
}
for (int k = 1; k <= i; k++){
cout << "*";
}
cout << endl;
}
cout << "pola2"<<endl;
for (int i=n; i>1; i--){
for (int j=1; j<i; j++){
cout << '*';
}
cout << endl;
}
cout << "pola3"<<endl;
for (int i=1; i<=n; i++){
for (int j=i; j<n; j++){
cout << ' ';
}
for (int s=1; s<=2*i-1; s++){
cout << '*';
}
cout << endl;
}
return 0;
}
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