cpp-dsa-practice/pattern20.cpp at main · modiraunak/cpp-dsa-practice · GitHub

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/*
Required Pattern
*        *
**      **
***    ***
****  ****
**********
****  ****
***    ***
**      **
*        * */
#include<iostream>
using namespace std;
void print(int n){
    int spaces = 2*n - 2;
    for (int i = 1;i <=2*n - 1; i++)
    {
        int stars = i;
        if (i > n) stars= 2*n - i;
        for (int j = 1; j <= stars; j++)
        {
            cout << "*";
        }
        for (int j = 1; j <= spaces; j++)
        {
            cout << " ";
        }
        for (int j = 1; j <= stars; j++)
        {
            cout << "*";
        }
        cout << endl;
        if(i < n) spaces -=2;
        else spaces += 2;

    }
}
int main(){
    int n;
    cout << "Enter the value of n:";
    cin>>n;
    print(n);
}