INTERCLASARE 
Overloaded fractions 
EURO INFORMATICA & EURO ELECTRONICA – MEET AND CODE 2019 
Objective-C Classes & Objects INTERCLASARE
// Program sortare prin interclasare. Datele se gasesc in fisierul SIR.DAT #include<stdio.h> #include<conio.h> #define N…
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Overloaded fractions
HEADER FILE class Fractie { public: int numarator,numitor; public: Fractie(int numarator=0,int numitor=1); Fractie Suma(Fractie,Fractie); Fractie…
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EURO INFORMATICA & EURO ELECTRONICA – MEET AND CODE 2019
EURO INFORMATICA & EURO ELECTRONICA Evenimentul este finanțat cu ajutorul inițiativei Meet and Code (https://www.meet-and-code.org/)…
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Objective-C Classes & Objects
The main purpose of Objective-C programming language is to add object orientation to the C…
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Command-Line Arguments
It is possible to pass some values from the command line to your Objective-C programs…
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Objective-C Error Handling
In Objective-C programming, error handling is provided with NSError class available in Foundation framework. An…
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Objective-C Log Handling
NSLog method In order to print logs, we use the NSLog method in Objective-C programming…
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Objective-C Type Casting
Type casting is a way to convert a variable from one data type to another…
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Objective-C Typedef
The Objective-C programming language provides a keyword called typedef, which you can use to give…
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Objective-C Preprocessors
The Objective-C Preprocessor is not part of the compiler, but is a separate step in…
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Objective-C Structures
Objective-C arrays allow you to define type of variables that can hold several data items…
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Objective-C Strings
The string in Objective-C programming language is represented using NSString and its subclass NSMutableString provides…
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Objective-C Pointers
Pointers in Objective-C are easy and fun to learn. Some Objective-C programming tasks are performed…
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Objective-C Arrays
Objective-C programming language provides a data structure called the array, which can store a fixed-size…
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Objective-C Numbers
In Objective-C programming language, in order to save the basic data types like int, float,…
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Objective-C Blocks
An Objective-C class defines an object that combines data with related behavior. Sometimes, it makes…
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Objective-C Functions
A function is a group of statements that together perform a task. Every Objective-C program…
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Objective-C Decision Making
Decision making structures require that the programmer specify one or more conditions to be evaluated…
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Objective-C Loops
There may be a situation, when you need to execute a block of code several…
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Objective-C Operators
An operator is a symbol that tells the compiler to perform specific mathematical or logical…
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Objective-C Constants
The constants refer to fixed values that the program may not alter during its execution….
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EURO INFORMATICA & EURO ELECTRONICA – TECHSOUP
EURO INFORMATICA & EURO ELECTRONICA Evenimentul este finanțat cu ajutorul inițiativei Meet and Code (https://www.meet-and-code.org/)…
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Graham – algorithm
Graham’s scan is a method of finding the convex hull of a finite set of…
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Fibonacci – recursive algorithm
Fibonacci numbers are the numbers in the following integer sequence, called the Fibonacci sequence, and…
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Graphs – related components(algorithm)
To determine connected components we use the method of access depth of a…
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JavaScript Comments
JavaScript comments can be used to make the code more readable. JavaScript Comments Comments will…
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CSS Introduction
What You Should Already Know Before you continue you should have a basic understanding of…
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Java – Modifier Types and Basic Operators
Modifiers are keywords that you add to those definitions to change their meanings. Java language…
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Polinom – derivate(algorithm in C)
#include<stdio.h> #include<conio.h> int a[20],i,j,k,n,l; void main() { printf(“Gradul polinomului<20:”);scanf(“%d”,&n); for(i=0;i<=n;i=i+1) { printf(“a(%d)=”,i);scanf(“%d”,&a[i]); } printf(“Se deriveaza…
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Euclid algorithm
In mathematics, the Euclidean algorithm, or Euclid’s algorithm, is an efficient method for computing the…
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Queue – algorithm (Sample 1)
Queue is an abstract data structure, somewhat similar to Stacks. Unlike stacks, a queue is…
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Java – Basic Datatypes and Variables Types
Variables are nothing but reserved memory locations to store values. This means that when you…
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Java – Object and Classes
Java is an Object-Oriented Language. As a language that has the Object-Oriented feature, Java supports…
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The longest substring ascending – algorithm
We will use the term to mean that a painting long [i] = length…
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Base conversion: binary, penta, octal, decimal and hexa
#include <stdio.h> #include <stdlib.h> #include <conio.h> static char digit_hexa[] = “0123456789ABCDEF”; static char digit_decimal[] =…
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Tie strings – algorithm
Check equality of two strings #include <stdio.h> #include <string.h> #define TRUE 1 #define FALSE 0…
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Objective-C: Variables
A variable it’s a data type and can be composed by letters, numbers and underscore…
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Objective-C: Data types
In objective-c data types are: basic types; enumerated types; type void; derived types; Integer types:…
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Objective-C: Structure of program
You can use X-Code to write your first program ‘Hello World!’: // First program example…
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Sorting – Quick sort algorithm
Quicksort (sometimes called partition-exchange sort) is an efficient sorting algorithm, serving as a systematic method…
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Children works – Alberto site
http://www.euroinformatica.ro/work/alberto/1/ http://www.euroinformatica.ro/work/alberto/2/ Acest site a fost facut in “Dreamweaver CS5” , ca limbaj am folosit…
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Trees – Traversal Post-order
Check if the current node is empty / null Traverse the left subtree by recursively…
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Trees – Traversal Pre-order
Check if the current node is empty / null Display the data part of…
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Trees – Traversal In-order
Check if the current node is empty / null Traverse the left subtree by recursively…
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GREEDY – Scroll horse chess board example
Greedy algorithm is an algorithmic paradigm that follows the problem solving heuristic of making the…
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Graphs – Tree Depth-first search
In mathematics, and more specifically in graph theory, a tree is an undirected graph in…
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Diagram Voronoi
In the simplest case, shown in the first picture, we are given a finite set…
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Condensation pivotal determinants calculation method
//Calculul determinantilor cu metoda condensarii pivotale #include <conio.h> #include <iostream> #include <math.h> #include <stdlib.h> using…
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Sorting – Bubble sort
Bubble sort, sometimes referred to as sinking sort, is a simple sorting algorithm that repeatedly…
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Divide et Impera – Hanoi algorithm
Towers of Hanoi problem – Method Divide et impera BRIEF three rods A, B, C…
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