Programming & Computer Science Answers

Any four challenges faced while selecting program development tools

Hollow Right Triangle

Given an integer number 

N as input. Write a program to print the hollow right-angled triangular pattern of N lines as shown below.

Note: There is a space after each asterisk (*) character.

Input

The first line of input is an integer 

N.

Explanation

In the given example the hollow right angled triangle of side 

4. Therefore, the output should be

* * * * 
  *   *
    * *
      *

Diamond Crystal

Given an integer value 

N, write a program to print a diamond pattern of 2*N rows as shown below.

Input

The first line of input is an integer 

N.

Explanation

In the given example, the number of rows in the diamond is 

2*5 = 10.

So, the output should be




    /\
   /  \
  /    \
 /      \
/        \
\        /
 \      /
  \    /
   \  /
    \/

How to determine the types of data files?

A. Write I if the statement is Interval, N if Normal, R if Ratio, and O if Ordinal.

1. Military title

2. Temperature in degree celcius

3. Birthplace

4. Year level

5. Favorite type of music

6. Clothing such as hat, shirt, shoes

7. A score in 5-item quiz in Math

8. Feeling for today

9. Means of transportation to school

10. How internet is used at home

Consider the code snippet given below:-

[Assume the necessary header files and namespaces included]

int x=10;

int main()

{   int x=20;

{ int x=30;

     }

       return 0;

}

Include the ‘cout’ statements at appropriate places in the program to get the output

 10 20 30