#include <iostream> using namespace std; int main(){ int a; cin>>a; string z="*"; for(int i=1;i<=a;i++){ for(int t=1; t<=a-i+1; t++) cout<<" "; cout<<z<<endl; z+="**"; } z="*"; for(int i=1;i<=a+1;i++){ for(int t=1; t<=a+1-i; t++) cout<<" "; cout<<z<<endl; z+="**"; } }
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