C++ Code Review: Draws triangle of user given size height

Description: This program shows how to draw triangle using natural numbers of user defined height.

Code:

//Compiling Tool: Code::Block IDE with MinGW

//Program draws triangle of user given height.

 

#include<iostream>

#include<conio.h> //for getch()

#include<cstdlib> //for system()

 

using namespace std;

int main()

{

 

    system("cls");//to clear the screen

 

        int i, j , z;

        cout << "Enter height of triangle:_";

        cin >> z;

        for (i = 1; i <= z ; i++)

        {

            for ( j = 1 ; j <= i ; j++)

            {

                cout << j ;

            }

            cout << endl;

        }

 

 

    cout<<endl<<"Press any key to terminate program";

    getch();

    return(0);

}

 

Output:

 

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