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C Language > Learn C Language > How do I write a C++ program for generating Fibonacci...
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How do I write a C++ program for generating Fibonacci numbers using constructor?

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#include"iostream.h" #include"conio.h" #include"stdio.h" class fibo { private: int t1; int t2; int t3; public: fibo(); fibo(int n); }; fibo :: fibo(int n) { int term; t1=1; t2=1; term=n; cout=0;term--) { t3=t1+t2; cout> n; fibo F1(n); getch(); }
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#include"iostream.h" #include"conio.h" #include"stdio.h" class fibo { private: int t1; int t2; int t3; public: fibo(); fibo(int n); }; fibo :: fibo(int n) { int term; t1=1; t2=1; term=n; cout<< t1<< " "<< t2; term-=2; for(;term>=0;term--) { t3=t1+t2; cout<< " "<< t3; t1 = t2; t2 = t3; } } void main() { clrscr(); int n; cout<< "Enter the number of terms: "; cin>> n; fibo F1(n); getch(); } read less
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#include class fibonacci { private: unsigned long int f0,f1,fib, public: fibonacci() { f0=0; f1=1; fib=f0+f1; } fibonacci (fibonacci &ptr) { f0=ptr.f0; f1=ptr.f1; fib=ptr.fib; } void increment() { f0=f1; f1=fib; fib=f0+f1; } void display() { cout << fib << 't\'; } }; //end...
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#include class fibonacci { private: unsigned long int f0,f1,fib, public: fibonacci() { f0=0; f1=1; fib=f0+f1; } fibonacci (fibonacci &ptr) { f0=ptr.f0; f1=ptr.f1; fib=ptr.fib; } void increment() { f0=f1; f1=fib; fib=f0+f1; } void display() { cout << fib << 't\'; } }; //end of class construction void main (void) { fibonacci number; for (int i=0; i<=15;i++) { number.display(); number.increment(); } } read less
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Constructor: A constructor is a special member function used in a class in order to Initialize the objects of a class. The name of the constructor should be same as that of the class name. Constructors does not have any return type not even void In Object oriented programming we have 3 types...
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Constructor: A constructor is a special member function used in a class in order to Initialize the objects of a class. The name of the constructor should be same as that of the class name. Constructors does not have any return type not even void In Object oriented programming we have 3 types of constructors they are: 1. default constructor: The constructor which does not have any arguments are known as default constructors. Syntax: Class_name() { --------------//arguments } 2. parameterized constructor: The constructors which passes arguments is known as a parameterized constructor. Syntax: Class_name(parameters) { -------------------//arguments } 3. copy constructor: The constructor which creates an object by initializing it with an object of the same class which was created prior is known as a copy constructor. Now let us see a program to generate a Fibonacci serious using constructor to in Action l an object. #include "iostream" using namespace std; class fib //class declaration { int n; public: //access specifier fib() //default constructor { cout<<"enter the number until which you want the fibonacci series to come"<>n; } int fib_op(int x) // function declaration and definition { if(x==0) return 0; else if(x==1) return 1; else return(fib_op(x-1)+fib_op(x-2)); } void display() //function to display the output { for(int i=0;i<=n;i++) { cout<read less
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