Posts by Vishal Kumar

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Strong password (String problem) in C++

By Vishal Kumar

In this tutorial, we will solve the strong password problem in C++ which will have certain mentioned constraints. Let us define our constraints then we will solve the problem. Its .... Read More

Write a program to print Diamond pattern using C++

By Vishal Kumar

In this tutorial, we are going to learn how to write a program to print a diamond pattern in C++. The pattern can be of any size, it will depend on the number of rows entered by a .... Read More

Count trailing zeroes in factorial of a number in C++

By Vishal Kumar

In this tutorial, we are going to discuss one of the most important asked interview problems which is called Count trailing zeroes in factorial of a number in C++. Trailing zeroes .... Read More

How to find unique numbers in an array using C++

By Vishal Kumar

In this tutorial, we are going to learn about how to find unique numbers in an array using C++. We can use various methods to solve this problem but in this tutorial, we are going .... Read More

Print a particular nth Fibonacci number in C++ up to range 10^18

By Vishal Kumar

In this tutorial, we are going to learn how to print a particular Fibonacci number up to range 10^18 in C++. We are going to use a hash map for this particular problem. As we know .... Read More

Write a program to print Floyd’s triangle in C++

By Vishal Kumar

In this tutorial, we are going to learn how to write a program to print Floyd’s triangle in C++. This is a printing pattern challenge problem which we are going to solve usin.... Read More

Edit Distance problem (dynamic programming) in C++

By Vishal Kumar

In this problem, we are going to learn how to change a string 1 to string 2 in C++  which is called Edit distance problem using the following operations. Insert Remove Replace Usi.... Read More

How to detect special character in a string in C++

By Vishal Kumar

In this post, we are going to learn about how to detect special character in a string in C++. All characters except alphabets and digits are regarded as special characters in C++..... Read More

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