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Problem of the DayOct 4, 2026

Find the Missing Number — October 5, 2026

Given an array nums containing n distinct numbers in the range [0, n], your task is to return the only number in the range that is missing from the array. The array nums contains n distinct numbers. The numbers are guaranteed to be in the range [0, n]. n represents the length of…

Problem of the DayOct 3, 2026

Reverse Words in a String — October 4, 2026

Given an input string s, reverse the order of the words. A word is defined as a sequence of nonspace characters. Words in s will be separated by at least one space. The reversed string should not contain leading or trailing spaces. Multiple spaces between two words should be redu…

Problem of the DayOct 3, 2026

Count Good Pairs — October 3, 2026

Given an array of integers nums, a pair (i, j) is called a good pair if nums[i] == nums[j] and i < j. Return the number of good pairs. Input: An array of integers nums. Constraints: 1 <= nums.length <= 100 1 <= nums[i] <= 100 Output: An integer representing the total count of goo…

C TutorialJun 12, 2026

C nested if statements

This statement allows the user to use if block inside the other if block. And the inner if statement is executed only if the outer if statement’s condition is true. Syntax Syntax of nested if statement in C: nested if Flowchart: Example of nested if statement in C: The output of…

Java ProgramsJun 12, 2026

Java Program to Remove all the Vowels from a String

This post shows, How to remove all vowels from a string in java? with the help of replaceAll() method. Remove vowels from a string in java: Explanation:Removing vowels in java is easy, we will take the user input with the help of a Scanner class. we will use replaceAll() which ta…

Java ProgramsApr 28, 2024

Java Program to find the sum of the Largest Forward Diagonal

in this tutorial, we will write a java program to find the sum of the Largest Forward Diagonal in an Arraylist (matrix). Java Program to find the sum of the Largest Forward Diagonal Output: Explanation:It calculates the sum of each forward diagonal and returns the sum of the larg…

C ProgramsJan 7, 2024

C Program to search an element in an array using Pointers

A separate function( search_function()) will be created where the array pointer will be declared and the searched element along with the size of an array will be passed. The function will return 1 if any element matches with the searched element otherwise it will return 0. This C…

C ProgramsJan 6, 2024

C Program to Add Two Numbers Using Call by Reference

The program takes the two numbers from the user and passes the reference to the function where the sum is calculated. You may go through the topic below. Output: Enter the first number: 15.5Enter the Second number: 20.5Sum of the result: 36.000000 This is a simple C program that…

C ProgramsJul 29, 2022

String Pattern Programs in C

In this tutorial, we will write various C pattern programs for String. Before that, you may go through the following topics in C. for loop in C C Pyramid String Pattern: 1 Enter the string: SIMPLE2CODEEnter the no. of rows: 8 S I M P L E 2 C O D E S I M … Read more

C ProgramsJul 22, 2022

Program to Print Diamond Alphabet Patterns in C

In this tutorial, we will learn to write a C program to print Diamond patterns using alphabets/characters. However, in this tutorial, we will create a character pattern in C using for loop. So you may go through the following topic in C. for loop in C Pattern 1: Diamond pattern i…

C ProgramsJul 22, 2022

Half Diamond Pattern in C using Alphabets

In this tutorial, we will learn and code the half diamond alphabet patterns in C programming language. However, in this tutorial, we will create a character pattern in C using for loop. So you may go through the following topic in C. for loop in C Pattern 1: Half Diamond pattern…

C ProgramsJul 20, 2022

Half Pyramid of Alphabets in C

In this tutorial, we will learn and code alphabet patterns in C programming language specifically the Half pyramid of alphabets in C programming. However, in this tutorial, we will create a pyramid character pattern in C using for loop. So you may go through the following topic i…

C ProgramsJul 19, 2022

Inverted Half Pyramid Pattern of Alphabets in C

In this tutorial, we will write a C program to print half Pyramid using alphabets/characters. Before that, you may go through the following topic in C. for loop in C Pattern 1: C program for character/alphabet. Enter the no. of rows: 6F F F F F FE E E E ED D D DC C … Read more

CPlusPlus ProgramsJul 13, 2022

C++ Program to Multiply two Complex Numbers

In this tutorial, we will write a C++ program to perform a multiplication on two complex numbers. Before that, you may go through the following topic in java. C++ function C++ struct C++ Program to Multiply two Complex Numbers using Struct Output: Enter first complex number (a+bi…

Java ProgramsJul 13, 2022

Java Program to Print Multiplication Table

In this tutorial, we will write a Java program to print a multiplication table for any number. Before that, you may go through the following topic in java. Java – while loop Java Program to Print Multiplication Table using for loop Source code: The user needs to enter the number…