Description

Rules:
• You are not allowed to use any array or String
• The word “char” must not be anywhere in your solution

PROBLEM 1) Number Line Sample input:
6
Sample output
123456

PROBLEM 2) Rectangle Sample input:
4
6
Sample output
123456
123456
123456
123456

Hint: 4 and 6 means 4 lines of numbers having 1..6 in each line.

PROBLEM 3) Triangle – Left Justified Draw right angled triangle of given height Sample input:
4
Sample output
1
12
123
1234
Hint: One loop for lines, another loop for printing number 1 to i when it is line i.

PROBLEM 4) Triangle – Right Justified Draw right angled triangle of given height Sample input:
4
Sample output
1
12
123
1234

PROBLEM 5) Triangle – Isosceles Draw triangle of given height Sample input 1:
3
Sample output 1:
1
123
12345

Sample input 2:
4
Sample output 2:
1
123
12345
1234567

PROBLEM 6) Rhombus
Just draw the image of the above triangle once. And then, the opposite, once. Sample input:
3
Sample output
1
123
12345
123
1

PROBLEM 7) Hollow Rectangle
Display a rectangle of given length and width.
Sample input:
4
5
Sample output
12345
1 5
1 5
12345
Hint 1: Print the character space (‘ ‘) in the middle.
Hint 2: You can re-use your solution to PROBLEM 2) Rectangle and use IF condition to selectively print first and last star of each line and all stars of first and last line.

8) Hollow Triangle – Left Justified Draw right angled triangle of given height Sample input: 5
Sample output
1 12 1 3
1 4
12345

PROBLEM 9) Hollow Triangle – Right Justified Draw right angled triangle of given height Sample input: 5
Sample output
5
45
3 5
2 5
12345

PROBLEM 10) Hollow Triangle – Isosceles Draw triangle of given height Sample input 1:
3
Sample output 1:
1
1 3
12345

Sample input 2:
4

Sample output 2:
1
1 3
1 5
1234567

11) Hollow Rhombus
Just draw the image of the above triangle once. And then, the opposite, once. Sample input: 3
Sample output
1
1 3
1 5
1 3
1

PROBLEM 12) Triangle – Right Justified Draw right angled triangle of given height Sample input: 4
Sample output
4
34
234
1234

PROBLEM 13) Palindrome Sample input: 5
Sample output
123454321

PROBLEM 14) Palindromic Triangle Sample input: 5
Sample output
1
121
12321
1234321
123454321

PROBLEM 15) Star Line
Print as many stars as given in input Sample input: 6
Sample output
******

16) Rectangle using solution of PROBLEM 15) Star Line Sample input:
4
6
Sample output
******
******
******
******

Hint: 4 and 6 means 4 lines of stars having 6 stars in each line.

17) Triangle – Left Justified Draw right angled triangle of given height Sample input:
4
Sample output
*
**
*** ****

Hint: One loop for lines, another loop for printing i number of stars when it is line i.

PROBLEM 18) Triangle – Right Justified Draw right angled triangle of given height Sample input:
4
Sample output
*
**
***
****
Hint: Count and print appropriate number of spaces in front of stars. Notice that there is one less space and one more star in each line.

PROBLEM 19) Triangle – Isosceles Draw triangle of given height Sample input 1:
3
Sample output 1:
*
***
*****

Sample input 2:
4
Sample output 2:
*
***
*****
*******

PROBLEM 20) Rhombus using PROBLEM 19) Triangle – Isosceles
Just draw the image of the above triangle once. And then, the opposite, once. Sample input:
3
Sample output
*
***
*****
***
*
21) Hollow Rectangle using solution of PROBLEM 16) Rectangle Display a rectangle of given length and width.
Sample input:
4
5
Sample output
*****
* *
* *
*****
Hint 1: Print the character space (‘ ‘) in the middle.
Hint 2: You can re-use your solution to PROBLEM 16 and use if condition to selectively print first and last star of each line and all stars of first and last line.

PROBLEM 22) Hollow Triangle – Left Justified using solution of PROBLEM 17) Triangle – Left Justified Draw right angled triangle of given height Sample input:
5
Sample output
*
**
* *
* *
*****

PROBLEM 23) Hollow Triangle – Right Justified using solution of PROBLEM 18) Triangle – Right Justified Draw right angled triangle of given height Sample input:
5
Sample output
*
**
* *
* *
*****

PROBLEM 24) Hollow Triangle – Isosceles using solution of PROBLEM 19) Triangle – Isosceles Draw triangle of given height Sample input 1:
3
Sample output 1:
*
* *
*****

Sample input 2:
4
Sample output 2:
*

* *
* *
*******

PROBLEM 25) Hollow Rhombus using solution of PROBLEM 20) Rhombus Just draw the image of the above triangle once. And then, the opposite, once. Sample input:
3
Sample output
*
* *
* *
* *
*

26. First 15 problems from URI Online Judge (See link below) :

https://www.urionlinejudge.com.br/judge/en/problems/index/1