c++

Question

1) Write a program that displays the following pattern on the screen:
*******
*****
***
*
***
*****
******
Solution:
#include<iostream>
using namespace std;

int main()
{
cout<<"*******"<<endl;
cout<<" *****"<<endl;
cout<<" ***"<<endl;
cout<<" *"<<endl;
cout<<" ***"<<endl;
cout<<" *****"<<endl;
cout<<"********"<<endl;
return 0;
}
2) Write a program that displays the following pattern on the screen:
1
121
12321
1234321
123454321
1234321
12321
121
1
3) Write a program that prints the numbers 1 to 5 on the same line with each pair of adjacent numbers separated by one space. Write the program using the following methods:
a) Using one output statement with one stream insertion operator.
b) Using one output statement with four stream insertion operators.
c) Using four output statements.

4) What does the following code print?
cout << "*\n**\n***\n****\n*****\n";

Answer 1

you can use nested loops ....

Answer 2

You can try it in the code playground.

Answer 3

Abdulla Khaled
https://code.sololearn.com/ce7TC3Lb37N6/?ref=app

Answer 4

how put this

1
121
12321
1234321
123454321
1234321
12321
121