PHP | Check if a number is Perfect number
A perfect number is a number if it is equal to the sum of its factors,that is original number is equal to sum of all… Read More »
Tag Archives: school-programming
PHP | Check if a number is prime
Given a number, we need to check whether it is prime or not in PHP. General approach for prime check is discussed here. In this… Read More »
PHP | check if a number is Even or Odd
A number is called even if the number is divisible by 2 and is called odd if it is not divisible by 2. Given a… Read More »
How an Antivirus Works?
Just like we humans can get infected and fall ill, our computers can also get infected while they are connected to the Internet. Viruses can… Read More »
Program to count vowels, consonant, digits and special characters in string.
Given a string and the task is to count vowels, consonant, digits and special character in string. Special character also contains the white space. Examples:… Read More »
An introduction to Flowcharts
What is a Flowchart? Flowchart is a graphical representation of an algorithm. Programmers often use it as a program-planning tool to solve a problem. It… Read More »
C function argument and return values
Prerequisite : Functions in C/C++ A function in C can be called either with arguments or without arguments. These function may or may not return… Read More »
Program to find the minimum (or maximum) element of an array
Given an array, write functions to find minimum and maximum elements in it. C++ filter_none edit close play_arrow link brightness_4 code // CPP program to… Read More »
Unicode in Computer Network
Unicode is a universal encoding system to provide a comprehensive character set and was created by the Unicode consortium (a group of multilingual software manufacturers).… Read More »
std::setbase, std::setw , std::setfill in C++
The useful input/output manipulators are std::setbase, std::setw and std::setfill. These are defined in and are quite useful functions. std::base : Set basefield flag; Sets the… Read More »
Interesting facts about Increment and Decrement operators in Java
Increment operator It is used to increment a value by 1. There are two varieties of increment operator: Post-Increment : Value is first used for… Read More »
Efficiently compute sums of diagonals of a matrix
Given a 2D square matrix, find sum of elements in Principal and Secondary diagonals. For example, consider the following 4 X 4 input matrix. A00… Read More »
Constants in C/C++
As the name suggests the name constants is given to such variables or values in C/C++ programming language which cannot be modified once they are… Read More »
Errors in C/C++
Error is an illegal operation performed by the user which results in abnormal working of the program. Programming errors often remain undetected until the program… Read More »
Equilateral Triangles using Matchsticks
You are given an equilateral triangle of three matchsticks like given figure. What is the minimum number of sticks needed to add three more equilateral… Read More »
