3 条题解
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-2
#include using namespace std; int main(){ int n; cin>>n; for(int i=0;i<n;i++){ for(int j=0;j<n-i;j++) cout<<" "; for(int j=0;j<n;j++){ if(i0 or in-1) cout<<""; else if(j0 or jn-1) cout<<""; else cout<<" "; } cout<<endl; } return 0; }
#include using namespace std; int main(){ int n; cin>>n; for(int i=0;i<n;i++){ for(int j=0;j<n-i;j++) cout<<" "; for(int j=0;j<n;j++){ if(i0 or in-1) cout<<""; else if(j0 or jn-1) cout<<""; else cout<<" "; } cout<<endl; } return 0; }
