#include<iostream> #include<cstdio> #include<cstdlib> #include<cmath> #include<string> #include<algorithm> using namespace std; int main(){ int a,n,b,c,d,m; cin>>n; m=n/2; for(a=1;a<=m;a++){ for(b=1;b<m-a+3;b++){ cout<<" "; } for(b=1;b<a*2;b++){ cout<<"*"; } for(b=1;b<=n-a*2;b++){ cout<<" "; } for(b=1;b<a*2;b++){ cout<<"*"; } cout<<endl; } for(a=1;a<=n;a++){ for(b=0;b<=a-1;b++) cout<<" "; for(b=1;b<=n*2-a*2+1;b++) cout<<"*"; cou

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#include<iostream>#include<cstdio>#include<cstdlib>#include<cmath>#include<string>#include<algorithm>using namespace std;int main(){ return 0;}