Program to print triangle pattern of numbers and stars (*)

Write a program to print triangle pattern of numbers and stars (*). In this program i’ll show how to create triangle pattern of numbers , stars (*) . These type of questions are very important in terms of interviews as well.

Print triangle of numbers in Reverse order

To print the triangle pattern in reverse order. Initialize i with input number. So in my case it’s 5. Then after printing every row start decrementing it.

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1. In first for loop, initialize i with 5. Check the condition i is greater than or equal to 1. And after every iteration we start decrementing it’s value.

2. In second loop, j is initialized with the value of i.

So let’s the value initialized is 5. 5 is greater than or equal to 1. So it prints

5 4 3 2 1

Now the condition goes false after 1 so it’s terminate. Similarly it goes for next iteration.

Print triangle pattern of Stars (*)

print triangle pattern using * is generally most asked question in exams and interviews. The code is very simple. Let’s check it’s c code.