Challenge-Pattern-Questions/Pattern4 at main · tarun-cd/Challenge-Pattern-Questions · GitHub

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#include <iostrem.h>

using namespace std;

class Solution {
  public:
    void printTriangle(int n) {
         for(int i = 1; i<=n; i++){

            for(int j = 1; j<=i; j++){
                cout << j << " ";
            }

            for(int j = 1; j<=4*(n-i); j++){
                cout << " "; //One Space
            }

            for(int j = i; j>0; j--){
                cout << j << " ";
            }

            cout << endl;
    }
    }
};
int main() {
    int t;
    cin >> t;
    while (t--) {
        int n;
        cin >> n;

        Solution ob;
        ob.printTriangle(n);
    }
    return 0;
}