Printing boat pattern using For Loop in C++


Example Program:

Here is the simple program for printing boat pattern using For Loop in C++.

Source Code

#include<iostream>
using namespace std;
int main()
{
    int i,n,a;
    cout<<"\nEnter the value:";
    cin>>a;
    for(i=1;i<=a;i++)
    {
        cout<<"\n";
        for(n=1;n<=a;n++)
        {
            cout<<"  ";
        }
        for(n=1;n<=i;n++)
        {
            cout<<" *";
        }
    }
    for(i=1;i<=a;i++)
    {
        cout<<"\n";
        for(n=1;n<=i;n++)
        {
            cout<<"  ";
        }
        for(n=1;n<=(a-i);n++)
        {
            cout<<" *";
        }
        for(n=1;n<=a;n++)
        {
            cout<<" *";
        }
        for(n=1;n<=(a-i);n++)
        {
            cout<<" *";
        }

    }
}

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Output

Enter the value:10
                     *
                     * *
                     * * *
                     * * * *
                     * * * * *
                     * * * * * *
                     * * * * * * *
                     * * * * * * * *
                     * * * * * * * * *
                     * * * * * * * * * *
   * * * * * * * * * * * * * * * * * * * * * * * * * * * *
     * * * * * * * * * * * * * * * * * * * * * * * * * *
       * * * * * * * * * * * * * * * * * * * * * * * *
         * * * * * * * * * * * * * * * * * * * * * *
           * * * * * * * * * * * * * * * * * * * *
             * * * * * * * * * * * * * * * * * *
               * * * * * * * * * * * * * * * *
                 * * * * * * * * * * * * * *
                   * * * * * * * * * * * *
                     * * * * * * * * * *


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