#include using namespace std; int main(){ int n, k, sum = 0; cin >> n; for(int i=1;i<=n;i++) { for(int k=1;k<=n;k++) { for(int j=1;j<=n-i;j++) { cout<<" "; } for(int j=1;j<=i2-1;j++) { cout<<""; } for(int j=1;j<=n-i;j++) { cout<<" "; } cout<<" "; } cout<<endl; } }