#include <bits/stdc++.h> using namespace std; int main(){ int n; string s=""; cin>>n; for(int i=1;i<=n;i++){ for(int j=1;j<=n-i;j++) s.push_back(' '); for(int j=1;j<=i*2-1;j++) s.push_back('*'); for(int j=1;j<=n-i;j++) s.push_back(' '); cout<<s<<endl; s.clear(); } for(int i=n-1;i>=1;i--){ for(int j=1;j<=n-i;j++) s.push_back(' '); for(int j=1;j<=i*2-1;j++) s.push_back('*'); for(int j=1;j<=n-i;j++) s.push_back(' '); cout<<s<<endl; s.clear(); } } |
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