View Code of Problem 53

#include<iostream>
#include<cmath>

using namespace std;

int main()
{
    int n;
    cin>>n;
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<abs(n-1-i);j++)
            cout<<" ";
        for(int j=0;j<2*i+1;j++)
            cout<<"*";
        cout<<endl;
    }
    for(int i=0;i<n-1;i++)
    {
        for(int j=0;j<i+1;j++)
            cout<<" ";
        for(int j=0;j<2*(n-i-2)+1;j++)
            cout<<"*";
        cout<<endl;
    }
    return 0;
}

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