AC代码： #include<bits/stdc++.h> using namespace std; int main(){ cout<<" * "<<"\n"; cout<<" *** "<<"\n"; cout<<"*****"<<"\n"; cout<<" * "<<"\n"; cout<<" * "; return 0; }

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#include <bits/stdc++.h> using namespace std; int main(){ cout<<" * "<<endl; cout<<" *** "<<endl; cout<<"*****"<<endl; cout<<" * "<<endl; cout<<" * "; return 0; }

#include<bits/stdc++.h> using namespace std; int main() { cout<<" * "<<endl; cout<<" *** "<<endl; cout<<"***** "<<endl; cout<<" * "<<endl; cout<<" * "<<endl; return 0; }