Fibonaccijeva serija u C ++ - Različiti programi Fibonaccijeve serije u C ++

• Uvod u Fibonaccijeve serije u C ++

Uvod u Fibonaccijeve serije u C ++

Fibonaccijeva serija je niz brojeva. Čini lanac brojeva koji dodaju posljednja dva broja. Izračunavanje Fibonaccijeve serije jednostavno je jer moramo samo dodati posljednju dvocifrenu vrijednost da bismo dobili novu znamenku. Ali u jednom trenutku kada broj znamenki postane veći, postaje vrlo složen. Dakle, da bismo riješili taj problem, vidjet ćemo kako možemo stvoriti Fibonaccijev program serije na jeziku C ++ tako da će postati lako. Pogledajmo kako zapravo funkcionira serija Fibonaccije.

Neka je f (n) n-ti pojam.

f (0) = 0;

f (1) = 1;

Serija će biti sljedeća:

1 (1 + 0)

2 (1 + 1)

3 (1 + 2)

5 (2 + 3)

8 (3 + 5)

13 (5 + 8)

21 (8 + 13)

…i tako dalje

Logika iza generiranja Fibonaccijeve serije

1. Inicijalizirajte prvi broj na 0
2. Inicializirajte drugi broj na 1
3. Dodajte prvi i drugi broj.
4. Spremite vrijednost dodavanja u treći broj.
5. Ispiši treći broj.
6. Prvom broju dodijelite drugi broj
7. Pridružite treći broj drugom broju.
8. Ponavljajte korak 3 do korak 7 dok se izračunava Fibonaccijeva serija za određeni broj.

Programi Fibonaccijeve serije u C ++

U ovom ćemo odjeljku vidjeti kako saznati Fibonaccijev niz korištenjem različitih metoda poput rekurzije, petlje, niza, bez rekurzije itd.:

1. Bez metode rekurzije

Kodirati:

#include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num, i, num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num << endl;
for(i = 2; i < num; ++i) //loop will starts from 2 because we have printed 0 and 1 before
(
third_num = first_num + second_num;
cout << third_num << endl;
first_num = second_num;
second_num = third_num;
)
return 0;
) #include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num, i, num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num << endl;
for(i = 2; i < num; ++i) //loop will starts from 2 because we have printed 0 and 1 before
(
third_num = first_num + second_num;
cout << third_num << endl;
first_num = second_num;
second_num = third_num;
)
return 0;
) #include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num, i, num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num << endl;
for(i = 2; i < num; ++i) //loop will starts from 2 because we have printed 0 and 1 before
(
third_num = first_num + second_num;
cout << third_num << endl;
first_num = second_num;
second_num = third_num;
)
return 0;
)

Izlaz:

2. Korištenjem metode rekurzije

Kodirati:

#include
using namespace std;
void FibonacciSeries(int num)
(
static int first_num = 0, second_num = 1, third_num;
if(num > 0)
(
third_num = first_num + second_num;
first_num = second_num;
second_num = third_num;
cout << third_num << endl;
FibonacciSeries(num - 1);
)
)
int main()
(
int num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
cout << "Fibonacci Series for a given number: \n" << endl;
cout << "0" << endl;
cout << "1" << endl;
FibonacciSeries (num - 2); //number-2 is used because we have already print 2 numbers
return 0;
)

Izlaz:

3. Upotreba petlje For

Kodirati:

#include
using namespace std;
int main()
(
int first_num= 0, second_num = 1, third_num, i, num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num < for(i = 0; i < num; i++) //loop will starts from 2 because we have printed 0 and 1 before
(
if(i <= 1)
third_num = i;
else
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
)
)
return 0;
) #include
using namespace std;
int main()
(
int first_num= 0, second_num = 1, third_num, i, num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num < for(i = 0; i < num; i++) //loop will starts from 2 because we have printed 0 and 1 before
(
if(i <= 1)
third_num = i;
else
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
)
)
return 0;
) #include
using namespace std;
int main()
(
int first_num= 0, second_num = 1, third_num, i, num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num < for(i = 0; i < num; i++) //loop will starts from 2 because we have printed 0 and 1 before
(
if(i <= 1)
third_num = i;
else
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
)
)
return 0;
) #include
using namespace std;
int main()
(
int first_num= 0, second_num = 1, third_num, i, num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num < for(i = 0; i < num; i++) //loop will starts from 2 because we have printed 0 and 1 before
(
if(i <= 1)
third_num = i;
else
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
)
)
return 0;
) #include
using namespace std;
int main()
(
int first_num= 0, second_num = 1, third_num, i, num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num < for(i = 0; i < num; i++) //loop will starts from 2 because we have printed 0 and 1 before
(
if(i <= 1)
third_num = i;
else
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
)
)
return 0;
)

Izlaz:

4. Korištenjem dok petlje

Kodirati:

#include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num = 0, i = 3, num;
cout << "Enter random number to print fibonacci series:" ;
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num < while(i <= num)
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
i = i + 1;
)
return 0;
) #include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num = 0, i = 3, num;
cout << "Enter random number to print fibonacci series:" ;
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num < while(i <= num)
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
i = i + 1;
)
return 0;
) #include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num = 0, i = 3, num;
cout << "Enter random number to print fibonacci series:" ;
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num < while(i <= num)
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
i = i + 1;
)
return 0;
) #include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num = 0, i = 3, num;
cout << "Enter random number to print fibonacci series:" ;
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num < while(i <= num)
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
i = i + 1;
)
return 0;
) #include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num = 0, i = 3, num;
cout << "Enter random number to print fibonacci series:" ;
cin >> num;
cout << "Fibonacci Series for a given number:" < cout << first_num < cout << second_num < while(i <= num)
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
i = i + 1;
)
return 0;
)

Izlaz:

5. Koristeći niz

Kodirati:

#include
using namespace std;
int main()
(
int fibonacci(25), i, num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
fibonacci(0) = 0;
fibonacci(1) = 1;
for (i = 2; i < num; i++)
(
fibonacci(i) = fibonacci(i - 1) + fibonacci(i - 2);
)
cout <<"Fibonacci Series for a given number:" << endl;
for (i = 0; i < num; i++)
(
cout << fibonacci(i) < )
return 0;
) #include
using namespace std;
int main()
(
int fibonacci(25), i, num;
cout << "Enter random number to print fibonacci series:";
cin >> num;
fibonacci(0) = 0;
fibonacci(1) = 1;
for (i = 2; i < num; i++)
(
fibonacci(i) = fibonacci(i - 1) + fibonacci(i - 2);
)
cout <<"Fibonacci Series for a given number:" << endl;
for (i = 0; i < num; i++)
(
cout << fibonacci(i) < )
return 0;
)

Izlaz:

6. Fibonaccijev program u C ++ koristeći određeni broj

Kodirati:

#include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num, i;
cout << "Fibonacci Series for a given number:";
cout << first_num < cout << second_num < for(i = 2; i < 10; ++i) //loop will starts from 2 because we have printed 0 and 1 before
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
)
return 0;
) #include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num, i;
cout << "Fibonacci Series for a given number:";
cout << first_num < cout << second_num < for(i = 2; i < 10; ++i) //loop will starts from 2 because we have printed 0 and 1 before
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
)
return 0;
) #include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num, i;
cout << "Fibonacci Series for a given number:";
cout << first_num < cout << second_num < for(i = 2; i < 10; ++i) //loop will starts from 2 because we have printed 0 and 1 before
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
)
return 0;
) #include
using namespace std;
int main()
(
int first_num = 0, second_num = 1, third_num, i;
cout << "Fibonacci Series for a given number:";
cout << first_num < cout << second_num < for(i = 2; i < 10; ++i) //loop will starts from 2 because we have printed 0 and 1 before
(
third_num = first_num + second_num;
cout << third_num < first_num = second_num;
second_num = third_num;
)
return 0;
)

Izlaz:

Zaključak

U ovom smo članku vidjeli kako generirati Fibonaccijevu seriju na jeziku C ++ koristeći različite metode. Nadam se da će vam ovaj članak biti koristan.

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